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Weekly Routing Table Report

 

 

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cscora at apnic

Dec 9, 2011, 11:22 AM

Post #51 of 93 (2297 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 10 Dec, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 384553
Prefixes after maximum aggregation: 167591
Deaggregation factor: 2.29
Unique aggregates announced to Internet: 188778
Total ASes present in the Internet Routing Table: 39528
Prefixes per ASN: 9.73
Origin-only ASes present in the Internet Routing Table: 32469
Origin ASes announcing only one prefix: 15507
Transit ASes present in the Internet Routing Table: 5346
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1864
Unregistered ASNs in the Routing Table: 973
Number of 32-bit ASNs allocated by the RIRs: 2059
Number of 32-bit ASNs visible in the Routing Table: 1713
Prefixes from 32-bit ASNs in the Routing Table: 4069
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 82
Number of addresses announced to Internet: 2499466496
Equivalent to 148 /8s, 250 /16s and 213 /24s
Percentage of available address space announced: 67.4
Percentage of allocated address space announced: 67.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.7
Total number of prefixes smaller than registry allocations: 162332

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 95338
Total APNIC prefixes after maximum aggregation: 31228
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 91808
Unique aggregates announced from the APNIC address blocks: 38427
APNIC Region origin ASes present in the Internet Routing Table: 4601
APNIC Prefixes per ASN: 19.95
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 727
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 119
Number of APNIC addresses announced to Internet: 631071072
Equivalent to 37 /8s, 157 /16s and 97 /24s
Percentage of available APNIC address space announced: 80.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 146344
Total ARIN prefixes after maximum aggregation: 74781
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118441
Unique aggregates announced from the ARIN address blocks: 48663
ARIN Region origin ASes present in the Internet Routing Table: 14799
ARIN Prefixes per ASN: 8.00
ARIN Region origin ASes announcing only one prefix: 5662
ARIN Region transit ASes present in the Internet Routing Table: 1579
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803365568
Equivalent to 47 /8s, 226 /16s and 98 /24s
Percentage of available ARIN address space announced: 63.8

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 93411
Total RIPE prefixes after maximum aggregation: 51508
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 85799
Unique aggregates announced from the RIPE address blocks: 55001
RIPE Region origin ASes present in the Internet Routing Table: 16170
RIPE Prefixes per ASN: 5.31
RIPE Region origin ASes announcing only one prefix: 7996
RIPE Region transit ASes present in the Internet Routing Table: 2557
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1199
Number of RIPE addresses announced to Internet: 493969856
Equivalent to 29 /8s, 113 /16s and 97 /24s
Percentage of available RIPE address space announced: 79.6

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 36815
Total LACNIC prefixes after maximum aggregation: 7940
LACNIC Deaggregation factor: 4.64
Prefixes being announced from the LACNIC address blocks: 36277
Unique aggregates announced from the LACNIC address blocks: 18889
LACNIC Region origin ASes present in the Internet Routing Table: 1556
LACNIC Prefixes per ASN: 23.31
LACNIC Region origin ASes announcing only one prefix: 441
LACNIC Region transit ASes present in the Internet Routing Table: 289
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 379
Number of LACNIC addresses announced to Internet: 94673024
Equivalent to 5 /8s, 164 /16s and 152 /24s
Percentage of available LACNIC address space announced: 62.7

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8406
Total AfriNIC prefixes after maximum aggregation: 2062
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 6460
Unique aggregates announced from the AfriNIC address blocks: 2059
AfriNIC Region origin ASes present in the Internet Routing Table: 503
AfriNIC Prefixes per ASN: 12.84
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 110
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30395392
Equivalent to 1 /8s, 207 /16s and 204 /24s
Percentage of available AfriNIC address space announced: 45.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2509 11104 970 Korea Telecom (KIX)
17974 1694 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1631 303 86 TPG Internet Pty Ltd
4755 1511 385 158 TATA Communications formerly
7552 1392 1064 7 Vietel Corporation
9829 1170 989 28 BSNL National Internet Backbo
9583 1099 81 496 Sify Limited
4808 1076 2034 303 CNCGROUP IP network: China169
24560 982 381 162 Bharti Airtel Ltd., Telemedia
18101 960 122 155 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3481 3814 218 bellsouth.net, inc.
7029 2916 1017 200 Windstream Communications Inc
18566 2093 383 177 Covad Communications
1785 1855 680 121 PaeTec Communications, Inc.
4323 1617 1073 385 Time Warner Telecom
20115 1602 1548 628 Charter Communications
22773 1505 2909 104 Cox Communications, Inc.
30036 1443 258 675 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1309 7029 858 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1581 480 15 Corbina telecom
6830 644 1927 412 UPC Distribution Services
34984 624 132 201 BILISIM TELEKOM
2118 550 99 14 EUnet/RELCOM Autonomous Syste
20940 544 174 434 Akamai Technologies European
3320 528 8161 394 Deutsche Telekom AG
12479 493 601 12 Uni2 Autonomous System
3292 480 2106 407 TDC Tele Danmark
8866 462 133 26 Bulgarian Telecommunication C
8551 423 366 45 Bezeq International

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1720 318 155 TVCABLE BOGOTA
28573 1549 1059 72 NET Servicos de Comunicao S.A
8151 1459 2985 349 UniNet S.A. de C.V.
7303 1239 751 174 Telecom Argentina Stet-France
27947 617 72 91 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
6503 554 434 68 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 547 237 89 Empresa Nacional de Telecomun
11172 528 86 95 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 963 958 13 TEDATA
24863 785 146 35 LINKdotNET AS number
3741 281 939 230 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
6713 235 519 14 Itissalat Al-MAGHRIB
29571 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 193 80 8 RAYA Telecom - Egypt
16637 164 664 83 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3481 3814 218 bellsouth.net, inc.
7029 2916 1017 200 Windstream Communications Inc
4766 2509 11104 970 Korea Telecom (KIX)
18566 2093 383 177 Covad Communications
1785 1855 680 121 PaeTec Communications, Inc.
10620 1720 318 155 TVCABLE BOGOTA
17974 1694 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1631 303 86 TPG Internet Pty Ltd
4323 1617 1073 385 Time Warner Telecom
20115 1602 1548 628 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 2916 2716 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1855 1734 PaeTec Communications, Inc.
17974 1694 1656 PT TELEKOMUNIKASI INDONESIA
8402 1581 1566 Corbina telecom
10620 1720 1565 TVCABLE BOGOTA
7545 1631 1545 TPG Internet Pty Ltd
4766 2509 1539 Korea Telecom (KIX)
28573 1549 1477 NET Servicos de Comunicao S.A
22773 1505 1401 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
37.0.24.0/21 50794 AS Levira
37.1.88.0/21 50763 MCKAYCOM LTD
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.21.192.0/20 11610 Internet Nebraska Corporation
64.21.212.0/22 11610 Internet Nebraska Corporation
64.21.216.0/21 11610 Internet Nebraska Corporation
66.171.32.0/20 705 UUNET Technologies, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:81 /12:236
/13:465 /14:812 /15:1442 /16:12042 /17:6104 /18:10146
/19:20068 /20:27797 /21:28040 /22:38213 /23:35782 /24:199713
/25:1176 /26:1417 /27:783 /28:170 /29:3 /30:0
/31:0 /32:5

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2545 2916 Windstream Communications Inc
6389 2124 3481 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1615 1720 TVCABLE BOGOTA
8402 1556 1581 Corbina telecom
30036 1403 1443 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1060 1855 PaeTec Communications, Inc.
7011 1050 1166 Citizens Utilities
22773 966 1505 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:445 2:483 4:15 5:1 6:3 8:360
12:1944 13:1 14:557 15:11 16:3 17:7
20:9 23:72 24:1699 27:1113 31:721 32:67
33:2 34:2 36:4 38:771 39:1 40:114
41:2895 42:69 43:1 44:3 46:1127 47:3
49:228 50:459 52:13 55:5 56:2 57:45
58:945 59:487 60:342 61:1176 62:912 63:1970
64:4079 65:2307 66:4364 67:2004 68:1178 69:3141
70:916 71:362 72:1776 74:2639 75:431 76:319
77:937 78:886 79:439 80:1142 81:847 82:521
83:529 84:470 85:1169 86:409 87:910 88:353
89:1589 90:247 91:4340 92:539 93:1408 94:1324
95:1131 96:395 97:285 98:784 99:38 101:122
103:538 106:8 107:106 108:95 109:1096 110:670
111:823 112:375 113:485 114:617 115:703 116:876
117:712 118:878 119:1240 120:343 121:681 122:1557
123:1022 124:1365 125:1341 128:275 129:189 130:181
131:579 132:158 133:21 134:221 135:55 136:212
137:147 138:286 139:123 140:491 141:254 142:382
143:404 144:505 145:66 146:474 147:222 148:638
149:272 150:165 151:192 152:445 153:171 154:7
155:380 156:209 157:358 158:156 159:503 160:334
161:221 162:363 163:183 164:523 165:387 166:542
167:459 168:818 169:146 170:823 171:90 172:4
173:1786 174:591 175:415 176:339 177:429 178:1138
180:1173 181:38 182:675 183:253 184:399 185:1
186:1480 187:785 188:939 189:1173 190:5288 192:5969
193:5121 194:3797 195:3366 196:1273 197:172 198:3618
199:4216 200:5543 201:1702 202:8486 203:8523 204:4328
205:2404 206:2670 207:2842 208:4015 209:3558 210:2755
211:1469 212:1982 213:1795 214:822 215:92 216:4934
217:1488 218:578 219:344 220:1250 221:529 222:326
223:262

End of report


cscora at apnic

Dec 16, 2011, 11:28 AM

Post #52 of 93 (2301 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 17 Dec, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 387142
Prefixes after maximum aggregation: 167902
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 189021
Total ASes present in the Internet Routing Table: 39612
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 32512
Origin ASes announcing only one prefix: 15502
Transit ASes present in the Internet Routing Table: 5342
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1923
Unregistered ASNs in the Routing Table: 999
Number of 32-bit ASNs allocated by the RIRs: 2095
Number of 32-bit ASNs visible in the Routing Table: 1758
Prefixes from 32-bit ASNs in the Routing Table: 4191
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 90
Number of addresses announced to Internet: 2502485008
Equivalent to 149 /8s, 40 /16s and 228 /24s
Percentage of available address space announced: 67.5
Percentage of allocated address space announced: 67.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.7
Total number of prefixes smaller than registry allocations: 163725

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 95726
Total APNIC prefixes after maximum aggregation: 31275
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92115
Unique aggregates announced from the APNIC address blocks: 38521
APNIC Region origin ASes present in the Internet Routing Table: 4609
APNIC Prefixes per ASN: 19.99
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 726
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 123
Number of APNIC addresses announced to Internet: 631919968
Equivalent to 37 /8s, 170 /16s and 85 /24s
Percentage of available APNIC address space announced: 80.1

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 146548
Total ARIN prefixes after maximum aggregation: 74859
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118628
Unique aggregates announced from the ARIN address blocks: 48721
ARIN Region origin ASes present in the Internet Routing Table: 14807
ARIN Prefixes per ASN: 8.01
ARIN Region origin ASes announcing only one prefix: 5665
ARIN Region transit ASes present in the Internet Routing Table: 1571
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804460224
Equivalent to 47 /8s, 243 /16s and 22 /24s
Percentage of available ARIN address space announced: 63.9

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 95151
Total RIPE prefixes after maximum aggregation: 51645
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87257
Unique aggregates announced from the RIPE address blocks: 55070
RIPE Region origin ASes present in the Internet Routing Table: 16196
RIPE Prefixes per ASN: 5.39
RIPE Region origin ASes announcing only one prefix: 7990
RIPE Region transit ASes present in the Internet Routing Table: 2575
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1222
Number of RIPE addresses announced to Internet: 494441160
Equivalent to 29 /8s, 120 /16s and 146 /24s
Percentage of available RIPE address space announced: 79.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 36850
Total LACNIC prefixes after maximum aggregation: 7994
LACNIC Deaggregation factor: 4.61
Prefixes being announced from the LACNIC address blocks: 36349
Unique aggregates announced from the LACNIC address blocks: 18889
LACNIC Region origin ASes present in the Internet Routing Table: 1557
LACNIC Prefixes per ASN: 23.35
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 284
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 395
Number of LACNIC addresses announced to Internet: 94826888
Equivalent to 5 /8s, 166 /16s and 241 /24s
Percentage of available LACNIC address space announced: 62.8

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8509
Total AfriNIC prefixes after maximum aggregation: 2057
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6551
Unique aggregates announced from the AfriNIC address blocks: 2061
AfriNIC Region origin ASes present in the Internet Routing Table: 498
AfriNIC Prefixes per ASN: 13.15
AfriNIC Region origin ASes announcing only one prefix: 156
AfriNIC Region transit ASes present in the Internet Routing Table: 108
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30843648
Equivalent to 1 /8s, 214 /16s and 163 /24s
Percentage of available AfriNIC address space announced: 46.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2513 11104 971 Korea Telecom (KIX)
17974 1716 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1632 303 86 TPG Internet Pty Ltd
4755 1517 385 158 TATA Communications formerly
7552 1491 1064 7 Vietel Corporation
9829 1170 989 28 BSNL National Internet Backbo
9583 1101 81 494 Sify Limited
4808 1077 2034 304 CNCGROUP IP network: China169
24560 996 385 167 Bharti Airtel Ltd., Telemedia
18101 964 122 157 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3479 3814 220 bellsouth.net, inc.
7029 2918 1017 200 Windstream Communications Inc
18566 2093 383 177 Covad Communications
1785 1855 680 121 PaeTec Communications, Inc.
4323 1620 1073 386 Time Warner Telecom
20115 1604 1549 626 Charter Communications
22773 1513 2909 105 Cox Communications, Inc.
30036 1460 261 677 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1301 7013 852 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1592 480 15 Corbina telecom
2118 1097 99 14 EUnet/RELCOM Autonomous Syste
15557 1035 2161 64 LDCOM NETWORKS
6830 647 1928 413 UPC Distribution Services
34984 625 132 195 BILISIM TELEKOM
20940 549 177 438 Akamai Technologies European
12479 539 630 48 Uni2 Autonomous System
3320 532 8162 398 Deutsche Telekom AG
3292 480 2106 407 TDC Tele Danmark
8866 462 134 27 Bulgarian Telecommunication C

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1717 318 155 TVCABLE BOGOTA
28573 1577 1064 75 NET Servicos de Comunicao S.A
8151 1458 2989 347 UniNet S.A. de C.V.
7303 1248 752 176 Telecom Argentina Stet-France
27947 631 73 93 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
6503 555 434 68 AVANTEL, S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 546 237 89 Empresa Nacional de Telecomun
11172 529 102 96 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1035 958 13 TEDATA
24863 790 146 36 LINKdotNET AS number
3741 281 939 230 The Internet Solution
6713 243 647 17 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 188 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3479 3814 220 bellsouth.net, inc.
7029 2918 1017 200 Windstream Communications Inc
4766 2513 11104 971 Korea Telecom (KIX)
18566 2093 383 177 Covad Communications
1785 1855 680 121 PaeTec Communications, Inc.
10620 1717 318 155 TVCABLE BOGOTA
17974 1716 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1632 303 86 TPG Internet Pty Ltd
4323 1620 1073 386 Time Warner Telecom
20115 1604 1549 626 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 2918 2718 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1855 1734 PaeTec Communications, Inc.
17974 1716 1678 PT TELEKOMUNIKASI INDONESIA
8402 1592 1577 Corbina telecom
10620 1717 1562 TVCABLE BOGOTA
7545 1632 1546 TPG Internet Pty Ltd
4766 2513 1542 Korea Telecom (KIX)
28573 1577 1502 NET Servicos de Comunicao S.A
7552 1491 1484 Vietel Corporation

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
37.9.192.0/21 25424 INTERNEXT 2000 S.R.O.
37.10.0.0/17 23456 32-bit ASN transition
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.21.192.0/20 11610 Internet Nebraska Corporation
64.21.212.0/22 11610 Internet Nebraska Corporation
64.21.216.0/21 11610 Internet Nebraska Corporation
66.129.0.0/19 3901 Higher Technology Services, I

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:81 /12:237
/13:465 /14:814 /15:1445 /16:12061 /17:6115 /18:10180
/19:20115 /20:27947 /21:28173 /22:38333 /23:35855 /24:201635
/25:1180 /26:1407 /27:784 /28:169 /29:56 /30:14
/31:0 /32:18

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2546 2918 Windstream Communications Inc
6389 2124 3479 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1612 1717 TVCABLE BOGOTA
8402 1569 1592 Corbina telecom
30036 1420 1460 Mediacom Communications Corp
11492 1105 1142 Cable One
1785 1059 1855 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 991 1035 LDCOM NETWORKS

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:451 2:415 4:15 5:1 6:3 8:360
12:1944 13:1 14:562 15:11 16:3 17:7
20:9 23:74 24:1695 27:1122 31:734 32:67
33:2 34:2 36:4 38:776 39:1 40:114
41:2992 42:78 43:1 44:3 46:1136 47:3
49:278 50:464 52:13 55:5 56:2 57:44
58:958 59:485 60:342 61:1185 62:932 63:1964
64:4112 65:2302 66:4371 67:2005 68:1183 69:3135
70:919 71:378 72:1776 74:2637 75:432 76:319
77:933 78:856 79:442 80:1171 81:848 82:528
83:530 84:570 85:1163 86:733 87:899 88:342
89:1578 90:247 91:4368 92:540 93:1505 94:1321
95:1047 96:397 97:286 98:766 99:38 100:1
101:130 103:561 106:11 107:113 108:99 109:1403
110:672 111:825 112:379 113:490 114:601 115:708
116:887 117:716 118:894 119:1244 120:343 121:674
122:1559 123:1028 124:1379 125:1340 128:556 129:189
130:182 131:584 132:162 133:21 134:225 135:54
136:213 137:151 138:286 139:124 140:493 141:255
142:382 143:388 144:490 145:67 146:477 147:222
148:634 149:273 150:164 151:192 152:445 153:172
154:7 155:382 156:210 157:366 158:155 159:499
160:341 161:221 162:362 163:187 164:521 165:387
166:541 167:459 168:816 169:146 170:829 171:93
172:4 173:1793 174:596 175:416 176:325 177:436
178:1143 180:1204 181:39 182:670 183:251 184:403
185:1 186:1426 187:783 188:954 189:1178 190:5290
192:5981 193:5191 194:4280 195:3364 196:1283 197:173
198:3629 199:4232 200:5512 201:1714 202:8480 203:8509
204:4345 205:2406 206:2668 207:2835 208:4024 209:3560
210:2750 211:1475 212:1972 213:1802 214:800 215:93
216:4927 217:1499 218:584 219:351 220:1250 221:529
222:326 223:264

End of report


cscora at apnic

Dec 23, 2011, 11:23 AM

Post #53 of 93 (2293 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 24 Dec, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 387081
Prefixes after maximum aggregation: 168128
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 189666
Total ASes present in the Internet Routing Table: 39672
Prefixes per ASN: 9.76
Origin-only ASes present in the Internet Routing Table: 32553
Origin ASes announcing only one prefix: 15517
Transit ASes present in the Internet Routing Table: 5339
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1962
Unregistered ASNs in the Routing Table: 1019
Number of 32-bit ASNs allocated by the RIRs: 2123
Number of 32-bit ASNs visible in the Routing Table: 1780
Prefixes from 32-bit ASNs in the Routing Table: 4232
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 127
Number of addresses announced to Internet: 2503477552
Equivalent to 149 /8s, 56 /16s and 9 /24s
Percentage of available address space announced: 67.5
Percentage of allocated address space announced: 67.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.8
Total number of prefixes smaller than registry allocations: 163949

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 95769
Total APNIC prefixes after maximum aggregation: 31336
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92133
Unique aggregates announced from the APNIC address blocks: 38669
APNIC Region origin ASes present in the Internet Routing Table: 4619
APNIC Prefixes per ASN: 19.95
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 125
Number of APNIC addresses announced to Internet: 632233600
Equivalent to 37 /8s, 175 /16s and 30 /24s
Percentage of available APNIC address space announced: 80.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 146693
Total ARIN prefixes after maximum aggregation: 74924
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118806
Unique aggregates announced from the ARIN address blocks: 48828
ARIN Region origin ASes present in the Internet Routing Table: 14819
ARIN Prefixes per ASN: 8.02
ARIN Region origin ASes announcing only one prefix: 5672
ARIN Region transit ASes present in the Internet Routing Table: 1566
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804598720
Equivalent to 47 /8s, 245 /16s and 51 /24s
Percentage of available ARIN address space announced: 63.9

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 94898
Total RIPE prefixes after maximum aggregation: 51720
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 86897
Unique aggregates announced from the RIPE address blocks: 55306
RIPE Region origin ASes present in the Internet Routing Table: 16209
RIPE Prefixes per ASN: 5.36
RIPE Region origin ASes announcing only one prefix: 7986
RIPE Region transit ASes present in the Internet Routing Table: 2575
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1239
Number of RIPE addresses announced to Internet: 494850504
Equivalent to 29 /8s, 126 /16s and 209 /24s
Percentage of available RIPE address space announced: 79.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 36823
Total LACNIC prefixes after maximum aggregation: 8014
LACNIC Deaggregation factor: 4.59
Prefixes being announced from the LACNIC address blocks: 36312
Unique aggregates announced from the LACNIC address blocks: 18904
LACNIC Region origin ASes present in the Internet Routing Table: 1559
LACNIC Prefixes per ASN: 23.29
LACNIC Region origin ASes announcing only one prefix: 451
LACNIC Region transit ASes present in the Internet Routing Table: 287
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 398
Number of LACNIC addresses announced to Internet: 94882952
Equivalent to 5 /8s, 167 /16s and 204 /24s
Percentage of available LACNIC address space announced: 62.8

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8506
Total AfriNIC prefixes after maximum aggregation: 2063
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 6551
Unique aggregates announced from the AfriNIC address blocks: 2036
AfriNIC Region origin ASes present in the Internet Routing Table: 503
AfriNIC Prefixes per ASN: 13.02
AfriNIC Region origin ASes announcing only one prefix: 159
AfriNIC Region transit ASes present in the Internet Routing Table: 111
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30835968
Equivalent to 1 /8s, 214 /16s and 133 /24s
Percentage of available AfriNIC address space announced: 45.9

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2488 11102 967 Korea Telecom (KIX)
17974 1716 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1629 303 86 TPG Internet Pty Ltd
4755 1515 385 157 TATA Communications formerly
7552 1420 1064 7 Vietel Corporation
9829 1168 989 28 BSNL National Internet Backbo
9583 1101 81 494 Sify Limited
4808 1076 2036 307 CNCGROUP IP network: China169
24560 1012 385 167 Bharti Airtel Ltd., Telemedia
18101 974 131 157 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3473 3814 219 bellsouth.net, inc.
7029 2910 1017 200 Windstream Communications Inc
18566 2093 383 177 Covad Communications
1785 1860 680 122 PaeTec Communications, Inc.
4323 1621 1065 385 Time Warner Telecom
20115 1612 1549 622 Charter Communications
22773 1515 2909 107 Cox Communications, Inc.
30036 1466 260 686 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1302 7012 854 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1617 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 648 1928 413 UPC Distribution Services
34984 628 132 197 BILISIM TELEKOM
20940 555 179 441 Akamai Technologies European
12479 551 636 53 Uni2 Autonomous System
3320 532 8162 398 Deutsche Telekom AG
3292 480 2106 407 TDC Tele Danmark
8866 464 134 27 Bulgarian Telecommunication C

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1719 318 157 TVCABLE BOGOTA
28573 1574 1064 75 NET Servicos de Comunicao S.A
8151 1452 2960 356 UniNet S.A. de C.V.
7303 1249 752 174 Telecom Argentina Stet-France
27947 631 73 94 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 547 237 90 Empresa Nacional de Telecomun
6503 539 434 67 AVANTEL, S.A.
11172 530 102 97 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1036 958 13 TEDATA
24863 790 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 243 647 17 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 188 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3473 3814 219 bellsouth.net, inc.
7029 2910 1017 200 Windstream Communications Inc
4766 2488 11102 967 Korea Telecom (KIX)
18566 2093 383 177 Covad Communications
1785 1860 680 122 PaeTec Communications, Inc.
10620 1719 318 157 TVCABLE BOGOTA
17974 1716 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1629 303 86 TPG Internet Pty Ltd
4323 1621 1065 385 Time Warner Telecom
8402 1617 480 15 Corbina telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 2910 2710 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1860 1738 PaeTec Communications, Inc.
17974 1716 1678 PT TELEKOMUNIKASI INDONESIA
8402 1617 1602 Corbina telecom
10620 1719 1562 TVCABLE BOGOTA
7545 1629 1543 TPG Internet Pty Ltd
4766 2488 1521 Korea Telecom (KIX)
28573 1574 1499 NET Servicos de Comunicao S.A
7552 1420 1413 Vietel Corporation

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.19.72.0/21 42322 Zhanr Ltd.
37.25.64.0/21 33828 iptoX GmbH

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:81 /12:237
/13:465 /14:814 /15:1448 /16:12072 /17:6121 /18:10183
/19:20111 /20:27962 /21:28218 /22:38383 /23:35824 /24:201495
/25:1182 /26:1403 /27:771 /28:166 /29:55 /30:14
/31:0 /32:18

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2538 2910 Windstream Communications Inc
6389 2118 3473 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1614 1719 TVCABLE BOGOTA
8402 1596 1617 Corbina telecom
30036 1426 1466 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1063 1860 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 1042 1092 LDCOM NETWORKS

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:470 2:427 4:15 5:1 6:3 8:366
12:1946 13:1 14:576 15:11 16:3 17:7
20:9 23:79 24:1716 27:1129 31:734 32:67
33:2 34:2 36:4 37:6 38:774 40:115
41:2978 42:78 43:1 44:3 46:1142 47:3
49:280 50:471 52:13 55:6 56:2 57:42
58:924 59:488 60:342 61:1172 62:937 63:1963
64:4137 65:2303 66:4372 67:1989 68:1167 69:3134
70:924 71:410 72:1787 74:2640 75:431 76:320
77:941 78:871 79:469 80:1167 81:839 82:524
83:529 84:577 85:1162 86:743 87:905 88:353
89:1585 90:249 91:4375 92:533 93:1525 94:1333
95:1051 96:398 97:286 98:785 99:38 100:2
101:130 103:582 106:11 107:118 108:100 109:1404
110:675 111:827 112:432 113:494 114:591 115:707
116:873 117:713 118:891 119:1272 120:359 121:671
122:1600 123:1029 124:1329 125:1347 128:554 129:189
130:185 131:586 132:163 133:21 134:226 135:54
136:213 137:151 138:285 139:126 140:492 141:256
142:382 143:389 144:501 145:67 146:475 147:222
148:634 149:269 150:165 151:191 152:445 153:170
154:7 155:383 156:210 157:365 158:154 159:504
160:358 161:221 162:333 163:186 164:522 165:389
166:544 167:455 168:816 169:146 170:830 171:95
172:4 173:1803 174:602 175:400 176:323 177:425
178:1148 180:1207 181:39 182:674 183:265 184:408
185:1 186:1398 187:780 188:1003 189:1174 190:5316
192:5979 193:5439 194:3781 195:3182 196:1291 197:170
198:3615 199:4233 200:5523 201:1681 202:8489 203:8524
204:4344 205:2419 206:2681 207:2819 208:4010 209:3563
210:2746 211:1476 212:1956 213:1800 214:796 215:93
216:4919 217:1473 218:569 219:336 220:1255 221:529
222:323 223:265

End of report


cscora at apnic

Dec 30, 2011, 11:24 AM

Post #54 of 93 (2291 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 31 Dec, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 388032
Prefixes after maximum aggregation: 168367
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 190083
Total ASes present in the Internet Routing Table: 39705
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 32554
Origin ASes announcing only one prefix: 15514
Transit ASes present in the Internet Routing Table: 5351
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (56677) 25
Prefixes from unregistered ASNs in the Routing Table: 1999
Unregistered ASNs in the Routing Table: 1030
Number of 32-bit ASNs allocated by the RIRs: 2144
Number of 32-bit ASNs visible in the Routing Table: 1800
Prefixes from 32-bit ASNs in the Routing Table: 4327
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 112
Number of addresses announced to Internet: 2504923696
Equivalent to 149 /8s, 78 /16s and 26 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.8
Total number of prefixes smaller than registry allocations: 164463

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 95928
Total APNIC prefixes after maximum aggregation: 31403
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 92286
Unique aggregates announced from the APNIC address blocks: 38721
APNIC Region origin ASes present in the Internet Routing Table: 4619
APNIC Prefixes per ASN: 19.98
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 125
Number of APNIC addresses announced to Internet: 632494720
Equivalent to 37 /8s, 179 /16s and 26 /24s
Percentage of available APNIC address space announced: 80.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 146775
Total ARIN prefixes after maximum aggregation: 74964
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118927
Unique aggregates announced from the ARIN address blocks: 48922
ARIN Region origin ASes present in the Internet Routing Table: 14816
ARIN Prefixes per ASN: 8.03
ARIN Region origin ASes announcing only one prefix: 5673
ARIN Region transit ASes present in the Internet Routing Table: 1573
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804638400
Equivalent to 47 /8s, 245 /16s and 206 /24s
Percentage of available ARIN address space announced: 63.9

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 95203
Total RIPE prefixes after maximum aggregation: 51822
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87230
Unique aggregates announced from the RIPE address blocks: 55392
RIPE Region origin ASes present in the Internet Routing Table: 16223
RIPE Prefixes per ASN: 5.38
RIPE Region origin ASes announcing only one prefix: 7980
RIPE Region transit ASes present in the Internet Routing Table: 2576
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1256
Number of RIPE addresses announced to Internet: 495420104
Equivalent to 29 /8s, 135 /16s and 130 /24s
Percentage of available RIPE address space announced: 79.8

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 37048
Total LACNIC prefixes after maximum aggregation: 8031
LACNIC Deaggregation factor: 4.61
Prefixes being announced from the LACNIC address blocks: 36595
Unique aggregates announced from the LACNIC address blocks: 19051
LACNIC Region origin ASes present in the Internet Routing Table: 1561
LACNIC Prefixes per ASN: 23.44
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 285
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 401
Number of LACNIC addresses announced to Internet: 95159432
Equivalent to 5 /8s, 172 /16s and 4 /24s
Percentage of available LACNIC address space announced: 63.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8588
Total AfriNIC prefixes after maximum aggregation: 2072
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6623
Unique aggregates announced from the AfriNIC address blocks: 2091
AfriNIC Region origin ASes present in the Internet Routing Table: 504
AfriNIC Prefixes per ASN: 13.14
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 112
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30878464
Equivalent to 1 /8s, 215 /16s and 43 /24s
Percentage of available AfriNIC address space announced: 46.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2475 11101 972 Korea Telecom (KIX)
17974 1718 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1629 303 86 TPG Internet Pty Ltd
4755 1516 385 157 TATA Communications formerly
7552 1412 1064 7 Vietel Corporation
9583 1185 90 530 Sify Limited
9829 1170 989 28 BSNL National Internet Backbo
4808 1075 2034 308 CNCGROUP IP network: China169
24560 1004 383 163 Bharti Airtel Ltd., Telemedia
18101 974 131 156 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3471 3814 220 bellsouth.net, inc.
7029 2917 1017 200 Windstream Communications Inc
18566 2094 383 177 Covad Communications
1785 1862 680 122 PaeTec Communications, Inc.
4323 1623 1065 385 Time Warner Telecom
20115 1614 1550 623 Charter Communications
22773 1517 2909 107 Cox Communications, Inc.
30036 1474 262 689 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1301 7012 855 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1547 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 642 1928 413 UPC Distribution Services
34984 637 132 199 BILISIM TELEKOM
12479 552 636 53 Uni2 Autonomous System
20940 547 176 438 Akamai Technologies European
3320 532 8162 398 Deutsche Telekom AG
3292 480 2106 407 TDC Tele Danmark
8866 465 134 27 Bulgarian Telecommunication C

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1721 319 159 TVCABLE BOGOTA
28573 1569 1064 75 NET Servicos de Comunicao S.A
8151 1453 2981 350 UniNet S.A. de C.V.
7303 1252 755 176 Telecom Argentina Stet-France
27947 634 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 548 237 91 Empresa Nacional de Telecomun
6503 539 434 67 AVANTEL, S.A.
11172 530 86 97 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1039 958 13 TEDATA
24863 793 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 216 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 189 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3471 3814 220 bellsouth.net, inc.
7029 2917 1017 200 Windstream Communications Inc
4766 2475 11101 972 Korea Telecom (KIX)
18566 2094 383 177 Covad Communications
1785 1862 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1718 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1629 303 86 TPG Internet Pty Ltd
4323 1623 1065 385 Time Warner Telecom
20115 1614 1550 623 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 2917 2717 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1862 1740 PaeTec Communications, Inc.
17974 1718 1681 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
7545 1629 1543 TPG Internet Pty Ltd
8402 1547 1532 Corbina telecom
4766 2475 1503 Korea Telecom (KIX)
28573 1569 1494 NET Servicos de Comunicao S.A
22773 1517 1410 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.26.200.0/21 28748 AlphaCron Datensysteme AS
37.26.208.0/20 57660 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:81 /12:237
/13:465 /14:813 /15:1451 /16:12081 /17:6120 /18:10185
/19:20160 /20:27929 /21:28328 /22:38611 /23:35934 /24:201964
/25:1183 /26:1402 /27:779 /28:166 /29:53 /30:14
/31:0 /32:18

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2545 2917 Windstream Communications Inc
6389 2116 3471 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1526 1547 Corbina telecom
30036 1433 1474 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1064 1862 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 1042 1092 LDCOM NETWORKS

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:478 2:414 4:15 5:1 6:3 8:366
12:1948 13:1 14:575 15:11 16:3 17:7
20:9 23:81 24:1712 27:1127 31:770 32:67
33:2 34:2 36:4 37:10 38:791 40:114
41:3018 42:82 43:1 44:3 46:1150 47:3
49:295 50:473 52:13 55:5 56:2 57:41
58:929 59:488 60:343 61:1173 62:936 63:1969
64:4123 65:2304 66:4375 67:1986 68:1165 69:3132
70:925 71:410 72:1785 74:2644 75:431 76:319
77:933 78:871 79:494 80:1190 81:842 82:533
83:530 84:563 85:1167 86:746 87:901 88:358
89:1588 90:261 91:4382 92:532 93:1515 94:1342
95:1051 96:396 97:288 98:766 99:38 100:18
101:124 103:588 106:11 107:120 108:101 109:1424
110:676 111:830 112:432 113:509 114:593 115:702
116:864 117:719 118:899 119:1223 120:365 121:676
122:1619 123:1036 124:1330 125:1347 128:532 129:189
130:189 131:585 132:162 133:21 134:226 135:54
136:206 137:151 138:285 139:126 140:491 141:257
142:381 143:392 144:501 145:67 146:476 147:221
148:633 149:271 150:165 151:192 152:444 153:169
154:7 155:382 156:210 157:365 158:153 159:505
160:346 161:221 162:335 163:188 164:522 165:390
166:546 167:455 168:807 169:146 170:828 171:95
172:4 173:1813 174:587 175:412 176:322 177:450
178:1151 180:1210 181:43 182:677 183:264 184:424
185:1 186:1462 187:797 188:1007 189:1177 190:5339
192:5974 193:5445 194:3787 195:3182 196:1289 197:174
198:3614 199:4239 200:5567 201:1685 202:8508 203:8524
204:4341 205:2421 206:2688 207:2822 208:4016 209:3562
210:2748 211:1474 212:1955 213:1807 214:808 215:93
216:4911 217:1467 218:567 219:338 220:1253 221:560
222:324 223:267

End of report


cscora at apnic

Jan 6, 2012, 11:25 AM

Post #55 of 93 (2263 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 07 Jan, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 388994
Prefixes after maximum aggregation: 168547
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190697
Total ASes present in the Internet Routing Table: 39774
Prefixes per ASN: 9.78
Origin-only ASes present in the Internet Routing Table: 32587
Origin ASes announcing only one prefix: 15529
Transit ASes present in the Internet Routing Table: 5365
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 2082
Unregistered ASNs in the Routing Table: 1044
Number of 32-bit ASNs allocated by the RIRs: 2160
Number of 32-bit ASNs visible in the Routing Table: 1822
Prefixes from 32-bit ASNs in the Routing Table: 4340
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2506673712
Equivalent to 149 /8s, 104 /16s and 206 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 164906

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 96263
Total APNIC prefixes after maximum aggregation: 31431
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92611
Unique aggregates announced from the APNIC address blocks: 38795
APNIC Region origin ASes present in the Internet Routing Table: 4630
APNIC Prefixes per ASN: 20.00
APNIC Region origin ASes announcing only one prefix: 1254
APNIC Region transit ASes present in the Internet Routing Table: 730
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 125
Number of APNIC addresses announced to Internet: 633118080
Equivalent to 37 /8s, 188 /16s and 157 /24s
Percentage of available APNIC address space announced: 80.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 147034
Total ARIN prefixes after maximum aggregation: 74945
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119074
Unique aggregates announced from the ARIN address blocks: 49000
ARIN Region origin ASes present in the Internet Routing Table: 14841
ARIN Prefixes per ASN: 8.02
ARIN Region origin ASes announcing only one prefix: 5683
ARIN Region transit ASes present in the Internet Routing Table: 1574
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804838592
Equivalent to 47 /8s, 248 /16s and 220 /24s
Percentage of available ARIN address space announced: 64.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 95494
Total RIPE prefixes after maximum aggregation: 51954
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87490
Unique aggregates announced from the RIPE address blocks: 55635
RIPE Region origin ASes present in the Internet Routing Table: 16229
RIPE Prefixes per ASN: 5.39
RIPE Region origin ASes announcing only one prefix: 7979
RIPE Region transit ASes present in the Internet Routing Table: 2578
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1269
Number of RIPE addresses announced to Internet: 496218056
Equivalent to 29 /8s, 147 /16s and 175 /24s
Percentage of available RIPE address space announced: 79.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 37108
Total LACNIC prefixes after maximum aggregation: 8068
LACNIC Deaggregation factor: 4.60
Prefixes being announced from the LACNIC address blocks: 36658
Unique aggregates announced from the LACNIC address blocks: 19174
LACNIC Region origin ASes present in the Internet Routing Table: 1561
LACNIC Prefixes per ASN: 23.48
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 287
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 410
Number of LACNIC addresses announced to Internet: 95243144
Equivalent to 5 /8s, 173 /16s and 75 /24s
Percentage of available LACNIC address space announced: 63.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8593
Total AfriNIC prefixes after maximum aggregation: 2076
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6622
Unique aggregates announced from the AfriNIC address blocks: 2089
AfriNIC Region origin ASes present in the Internet Routing Table: 509
AfriNIC Prefixes per ASN: 13.01
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 116
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30739456
Equivalent to 1 /8s, 213 /16s and 12 /24s
Percentage of available AfriNIC address space announced: 45.8

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2467 11099 965 Korea Telecom (KIX)
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1630 303 86 TPG Internet Pty Ltd
4755 1517 385 157 TATA Communications formerly
7552 1409 1064 7 Vietel Corporation
9829 1172 989 28 BSNL National Internet Backbo
9583 1111 81 496 Sify Limited
4808 1091 2036 310 CNCGROUP IP network: China169
24560 986 381 164 Bharti Airtel Ltd., Telemedia
18101 975 131 156 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3476 3814 217 bellsouth.net, inc.
7029 3161 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1864 680 122 PaeTec Communications, Inc.
4323 1620 1065 385 Time Warner Telecom
20115 1616 1551 619 Charter Communications
22773 1518 2909 107 Cox Communications, Inc.
30036 1484 264 691 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1302 7013 853 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1564 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 645 1928 414 UPC Distribution Services
34984 636 132 198 BILISIM TELEKOM
20940 563 183 449 Akamai Technologies European
12479 551 636 53 Uni2 Autonomous System
3320 531 8162 397 Deutsche Telekom AG
8551 504 360 81 Bezeq International
3292 480 2106 407 TDC Tele Danmark

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1721 319 159 TVCABLE BOGOTA
28573 1573 1064 76 NET Servicos de Comunicao S.A
8151 1459 2989 346 UniNet S.A. de C.V.
7303 1255 756 178 Telecom Argentina Stet-France
27947 632 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 547 237 91 Empresa Nacional de Telecomun
6503 538 434 67 AVANTEL, S.A.
11172 533 86 99 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1032 958 13 TEDATA
24863 794 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 191 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3476 3814 217 bellsouth.net, inc.
7029 3161 1017 200 Windstream Communications Inc
4766 2467 11099 965 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1864 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1630 303 86 TPG Internet Pty Ltd
4323 1620 1065 385 Time Warner Telecom
20115 1616 1551 619 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3161 2961 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1864 1742 PaeTec Communications, Inc.
17974 1719 1682 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
8402 1564 1549 Corbina telecom
7545 1630 1544 TPG Internet Pty Ltd
4766 2467 1502 Korea Telecom (KIX)
28573 1573 1497 NET Servicos de Comunicao S.A
22773 1518 1411 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.35.8.0/21 8400 "TELEKOM SRBIJA" a.d.
37.35.64.0/21 33983 IP network of ARTMOTION n.p.s

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:81 /12:237
/13:465 /14:815 /15:1453 /16:12097 /17:6127 /18:10171
/19:20180 /20:27922 /21:28372 /22:38717 /23:36054 /24:202631
/25:1177 /26:1403 /27:780 /28:167 /29:55 /30:14
/31:0 /32:18

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2789 3161 Windstream Communications Inc
6389 2121 3476 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1543 1564 Corbina telecom
30036 1443 1484 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1066 1864 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 1046 1096 LDCOM NETWORKS

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:494 2:417 4:15 5:1 6:3 8:364
12:1949 13:1 14:583 15:11 16:3 17:7
20:9 23:85 24:1717 27:1171 31:787 32:67
33:2 34:2 36:4 37:15 38:794 40:114
41:3004 42:85 43:1 44:3 46:1166 47:3
49:297 50:501 52:13 55:6 56:2 57:41
58:942 59:487 60:343 61:1177 62:938 63:1966
64:4116 65:2302 66:4368 67:1989 68:1165 69:3147
70:921 71:419 72:1787 74:2645 75:442 76:321
77:940 78:894 79:501 80:1187 81:859 82:523
83:530 84:581 85:1167 86:748 87:911 88:349
89:1583 90:261 91:4403 92:534 93:1523 94:1336
95:1049 96:401 97:295 98:788 99:38 100:18
101:127 103:612 106:10 107:126 108:101 109:1422
110:681 111:835 112:429 113:494 114:599 115:738
116:867 117:724 118:889 119:1234 120:386 121:673
122:1621 123:1051 124:1338 125:1351 128:536 129:192
130:189 131:586 132:163 133:21 134:226 135:54
136:213 137:151 138:286 139:135 140:490 141:261
142:379 143:403 144:501 145:67 146:474 147:222
148:632 149:276 150:165 151:192 152:444 153:169
154:7 155:393 156:210 157:366 158:155 159:511
160:345 161:221 162:336 163:187 164:523 165:393
166:552 167:454 168:816 169:147 170:828 171:95
172:4 173:1785 174:588 175:417 176:333 177:442
178:1169 180:1215 181:43 182:686 183:267 184:422
185:1 186:1479 187:816 188:1006 189:1169 190:5328
192:5988 193:5447 194:3788 195:3192 196:1286 197:174
198:3619 199:4256 200:5570 201:1690 202:8512 203:8592
204:4342 205:2423 206:2701 207:2803 208:4009 209:3545
210:2747 211:1477 212:1963 213:1813 214:837 215:93
216:4909 217:1478 218:568 219:338 220:1243 221:563
222:324 223:266

End of report


cscora at apnic

Jan 13, 2012, 11:29 AM

Post #56 of 93 (2270 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 14 Jan, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 390792
Prefixes after maximum aggregation: 168714
Deaggregation factor: 2.32
Unique aggregates announced to Internet: 190828
Total ASes present in the Internet Routing Table: 39823
Prefixes per ASN: 9.81
Origin-only ASes present in the Internet Routing Table: 32590
Origin ASes announcing only one prefix: 15510
Transit ASes present in the Internet Routing Table: 5382
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 2098
Unregistered ASNs in the Routing Table: 1058
Number of 32-bit ASNs allocated by the RIRs: 2178
Number of 32-bit ASNs visible in the Routing Table: 1851
Prefixes from 32-bit ASNs in the Routing Table: 4455
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2509165880
Equivalent to 149 /8s, 142 /16s and 213 /24s
Percentage of available address space announced: 67.7
Percentage of allocated address space announced: 67.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 165725

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 96436
Total APNIC prefixes after maximum aggregation: 31482
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92792
Unique aggregates announced from the APNIC address blocks: 38873
APNIC Region origin ASes present in the Internet Routing Table: 4636
APNIC Prefixes per ASN: 20.02
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 731
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 133
Number of APNIC addresses announced to Internet: 634071944
Equivalent to 37 /8s, 203 /16s and 43 /24s
Percentage of available APNIC address space announced: 80.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 147469
Total ARIN prefixes after maximum aggregation: 75118
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119452
Unique aggregates announced from the ARIN address blocks: 49103
ARIN Region origin ASes present in the Internet Routing Table: 14847
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5677
ARIN Region transit ASes present in the Internet Routing Table: 1584
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804708544
Equivalent to 47 /8s, 246 /16s and 224 /24s
Percentage of available ARIN address space announced: 64.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 96603
Total RIPE prefixes after maximum aggregation: 51929
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 88466
Unique aggregates announced from the RIPE address blocks: 55570
RIPE Region origin ASes present in the Internet Routing Table: 16238
RIPE Prefixes per ASN: 5.45
RIPE Region origin ASes announcing only one prefix: 7979
RIPE Region transit ASes present in the Internet Routing Table: 2582
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1284
Number of RIPE addresses announced to Internet: 497328072
Equivalent to 29 /8s, 164 /16s and 159 /24s
Percentage of available RIPE address space announced: 80.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 37209
Total LACNIC prefixes after maximum aggregation: 8038
LACNIC Deaggregation factor: 4.63
Prefixes being announced from the LACNIC address blocks: 36808
Unique aggregates announced from the LACNIC address blocks: 19247
LACNIC Region origin ASes present in the Internet Routing Table: 1560
LACNIC Prefixes per ASN: 23.59
LACNIC Region origin ASes announcing only one prefix: 446
LACNIC Region transit ASes present in the Internet Routing Table: 287
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 416
Number of LACNIC addresses announced to Internet: 95387016
Equivalent to 5 /8s, 175 /16s and 125 /24s
Percentage of available LACNIC address space announced: 63.2

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8459
Total AfriNIC prefixes after maximum aggregation: 2074
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 6501
Unique aggregates announced from the AfriNIC address blocks: 2075
AfriNIC Region origin ASes present in the Internet Routing Table: 506
AfriNIC Prefixes per ASN: 12.85
AfriNIC Region origin ASes announcing only one prefix: 159
AfriNIC Region transit ASes present in the Internet Routing Table: 115
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30834432
Equivalent to 1 /8s, 214 /16s and 127 /24s
Percentage of available AfriNIC address space announced: 45.9

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2473 11100 971 Korea Telecom (KIX)
17974 1715 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1609 303 83 TPG Internet Pty Ltd
4755 1516 385 156 TATA Communications formerly
7552 1425 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1118 81 495 Sify Limited
4808 1103 2053 314 CNCGROUP IP network: China169
24560 1010 384 167 Bharti Airtel Ltd., Telemedia
18101 976 130 155 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3455 3807 207 bellsouth.net, inc.
7029 3222 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 680 123 PaeTec Communications, Inc.
20115 1618 1552 619 Charter Communications
4323 1604 1062 382 Time Warner Telecom
22773 1517 2909 108 Cox Communications, Inc.
30036 1489 264 696 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1299 7012 850 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1665 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
2118 927 99 14 EUnet/RELCOM Autonomous Syste
31148 657 35 9 FreeNet ISP
6830 644 1928 413 UPC Distribution Services
34984 639 188 174 BILISIM TELEKOM
20940 562 182 448 Akamai Technologies European
12479 551 636 53 Uni2 Autonomous System
8551 521 360 81 Bezeq International
3320 517 8157 393 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1738 321 159 TVCABLE BOGOTA
28573 1579 1066 77 NET Servicos de Comunicao S.A
8151 1462 2997 343 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 634 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 550 238 92 Empresa Nacional de Telecomun
6503 541 434 68 AVANTEL, S.A.
11172 535 102 101 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1013 958 13 TEDATA
24863 795 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
33776 240 13 8 Starcomms Nigeria Limited
15706 239 32 6 Sudatel Internet Exchange Aut
29571 218 17 12 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 188 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3455 3807 207 bellsouth.net, inc.
7029 3222 1017 200 Windstream Communications Inc
4766 2473 11100 971 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1865 680 123 PaeTec Communications, Inc.
10620 1738 321 159 TVCABLE BOGOTA
17974 1715 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1665 480 15 Corbina telecom
20115 1618 1552 619 Charter Communications
7545 1609 303 83 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3222 3022 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1865 1742 PaeTec Communications, Inc.
17974 1715 1679 PT TELEKOMUNIKASI INDONESIA
8402 1665 1650 Corbina telecom
10620 1738 1579 TVCABLE BOGOTA
7545 1609 1526 TPG Internet Pty Ltd
4766 2473 1502 Korea Telecom (KIX)
28573 1579 1502 NET Servicos de Comunicao S.A
7552 1425 1418 Vietel Corporation

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.46.80.0/21 23456 32-bit ASN transition
41.222.79.0/24 37345 MEDALLION Communications

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:81 /12:234
/13:463 /14:817 /15:1459 /16:12118 /17:6147 /18:10195
/19:20203 /20:27995 /21:28534 /22:38863 /23:36419 /24:203565
/25:1181 /26:1420 /27:782 /28:171 /29:56 /30:13
/31:0 /32:18

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2842 3222 Windstream Communications Inc
6389 2116 3455 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1644 1665 Corbina telecom
10620 1633 1738 TVCABLE BOGOTA
30036 1448 1489 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1066 1865 PaeTec Communications, Inc.
15557 1046 1096 LDCOM NETWORKS
7011 1042 1159 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:494 2:464 4:15 5:1 6:3 8:368
12:1950 13:1 14:586 15:11 16:3 17:6
20:9 23:98 24:1710 27:1170 31:812 32:67
33:2 34:2 36:8 37:87 38:794 40:114
41:2895 42:85 43:1 44:3 46:1216 47:3
49:317 50:506 52:13 55:7 56:2 57:41
58:946 59:491 60:344 61:1182 62:950 63:1966
64:4119 65:2298 66:4375 67:2005 68:1155 69:3149
70:918 71:427 72:1805 74:2649 75:446 76:320
77:948 78:899 79:497 80:1187 81:863 82:550
83:530 84:586 85:1155 86:748 87:908 88:338
89:1598 90:267 91:4418 92:534 93:1543 94:1351
95:1062 96:394 97:296 98:798 99:38 100:18
101:127 103:637 106:10 107:133 108:125 109:1422
110:684 111:839 112:427 113:519 114:610 115:756
116:868 117:726 118:907 119:1235 120:357 121:679
122:1624 123:1050 124:1336 125:1352 128:535 129:192
130:201 131:588 132:162 133:21 134:226 135:58
136:213 137:151 138:288 139:144 140:490 141:261
142:379 143:393 144:504 145:68 146:484 147:223
148:635 149:279 150:166 151:193 152:447 153:170
154:7 155:393 156:210 157:366 158:155 159:511
160:320 161:222 162:337 163:188 164:529 165:391
166:562 167:456 168:853 169:147 170:830 171:103
172:4 173:1778 174:589 175:418 176:348 177:454
178:1183 180:1219 181:43 182:687 183:264 184:430
185:1 186:1490 187:831 188:1034 189:1156 190:5321
192:5991 193:5462 194:3943 195:3313 196:1281 197:167
198:3627 199:4295 200:5583 201:1703 202:8417 203:8588
204:4353 205:2430 206:2734 207:2806 208:4020 209:3551
210:2742 211:1480 212:1968 213:1818 214:838 215:94
216:4938 217:1472 218:560 219:337 220:1247 221:557
222:324 223:267

End of report


cscora at apnic

Jan 20, 2012, 11:29 AM

Post #57 of 93 (2262 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 21 Jan, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 393115
Prefixes after maximum aggregation: 169030
Deaggregation factor: 2.33
Unique aggregates announced to Internet: 191068
Total ASes present in the Internet Routing Table: 39874
Prefixes per ASN: 9.86
Origin-only ASes present in the Internet Routing Table: 32616
Origin ASes announcing only one prefix: 15498
Transit ASes present in the Internet Routing Table: 5384
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 2141
Unregistered ASNs in the Routing Table: 1089
Number of 32-bit ASNs allocated by the RIRs: 2200
Number of 32-bit ASNs visible in the Routing Table: 1874
Prefixes from 32-bit ASNs in the Routing Table: 4540
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 118
Number of addresses announced to Internet: 2511238896
Equivalent to 149 /8s, 174 /16s and 118 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 166200

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 97520
Total APNIC prefixes after maximum aggregation: 31610
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 93822
Unique aggregates announced from the APNIC address blocks: 38983
APNIC Region origin ASes present in the Internet Routing Table: 4637
APNIC Prefixes per ASN: 20.23
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 726
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 134
Number of APNIC addresses announced to Internet: 635145824
Equivalent to 37 /8s, 219 /16s and 142 /24s
Percentage of available APNIC address space announced: 80.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 147631
Total ARIN prefixes after maximum aggregation: 75140
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119589
Unique aggregates announced from the ARIN address blocks: 49078
ARIN Region origin ASes present in the Internet Routing Table: 14859
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5677
ARIN Region transit ASes present in the Internet Routing Table: 1587
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 805016256
Equivalent to 47 /8s, 251 /16s and 146 /24s
Percentage of available ARIN address space announced: 64.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 97168
Total RIPE prefixes after maximum aggregation: 52047
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 89044
Unique aggregates announced from the RIPE address blocks: 55638
RIPE Region origin ASes present in the Internet Routing Table: 16253
RIPE Prefixes per ASN: 5.48
RIPE Region origin ASes announcing only one prefix: 7981
RIPE Region transit ASes present in the Internet Routing Table: 2588
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1301
Number of RIPE addresses announced to Internet: 497788360
Equivalent to 29 /8s, 171 /16s and 165 /24s
Percentage of available RIPE address space announced: 80.2

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 37373
Total LACNIC prefixes after maximum aggregation: 8078
LACNIC Deaggregation factor: 4.63
Prefixes being announced from the LACNIC address blocks: 36993
Unique aggregates announced from the LACNIC address blocks: 19328
LACNIC Region origin ASes present in the Internet Routing Table: 1563
LACNIC Prefixes per ASN: 23.67
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 283
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 421
Number of LACNIC addresses announced to Internet: 95480968
Equivalent to 5 /8s, 176 /16s and 236 /24s
Percentage of available LACNIC address space announced: 63.2

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8721
Total AfriNIC prefixes after maximum aggregation: 2083
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 6744
Unique aggregates announced from the AfriNIC address blocks: 2086
AfriNIC Region origin ASes present in the Internet Routing Table: 506
AfriNIC Prefixes per ASN: 13.33
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30813184
Equivalent to 1 /8s, 214 /16s and 44 /24s
Percentage of available AfriNIC address space announced: 45.9

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2473 11101 975 Korea Telecom (KIX)
17974 1715 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1638 303 86 TPG Internet Pty Ltd
4755 1524 385 154 TATA Communications formerly
7552 1424 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1119 81 490 Sify Limited
4808 1100 2050 311 CNCGROUP IP network: China169
24560 1007 383 166 Bharti Airtel Ltd., Telemedia
18101 946 130 155 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3449 3807 202 bellsouth.net, inc.
7029 3223 1016 199 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 679 122 PaeTec Communications, Inc.
20115 1620 1553 615 Charter Communications
4323 1607 1062 382 Time Warner Telecom
30036 1487 266 707 Mediacom Communications Corp
22773 1486 2909 108 Cox Communications, Inc.
19262 1386 4683 400 Verizon Global Networks
7018 1298 7008 849 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1714 480 15 Corbina telecom
2118 1241 99 14 EUnet/RELCOM Autonomous Syste
15557 1095 2161 64 LDCOM NETWORKS
6830 644 1928 413 UPC Distribution Services
34984 638 188 172 BILISIM TELEKOM
31148 613 35 9 FreeNet ISP
20940 571 185 453 Akamai Technologies European
12479 557 639 55 Uni2 Autonomous System
8551 528 360 81 Bezeq International
3320 517 8157 393 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1723 321 167 TVCABLE BOGOTA
28573 1616 1068 77 NET Servicos de Comunicao S.A
8151 1460 2999 342 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 642 73 96 Telconet S.A
22047 581 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 550 238 92 Empresa Nacional de Telecomun
6503 539 434 68 AVANTEL, S.A.
11172 532 85 106 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1031 958 13 TEDATA
24863 797 146 36 LINKdotNET AS number
6713 485 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 239 32 6 Sudatel Internet Exchange Aut
33776 234 13 14 Starcomms Nigeria Limited
29571 214 17 12 Ci Telecom Autonomous system
12258 196 28 61 Vodacom Internet Company
24835 189 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3449 3807 202 bellsouth.net, inc.
7029 3223 1016 199 Windstream Communications Inc
4766 2473 11101 975 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1865 679 122 PaeTec Communications, Inc.
10620 1723 321 167 TVCABLE BOGOTA
17974 1715 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1714 480 15 Corbina telecom
7545 1638 303 86 TPG Internet Pty Ltd
20115 1620 1553 615 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3223 3024 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1865 1743 PaeTec Communications, Inc.
8402 1714 1699 Corbina telecom
17974 1715 1679 PT TELEKOMUNIKASI INDONESIA
10620 1723 1556 TVCABLE BOGOTA
7545 1638 1552 TPG Internet Pty Ltd
28573 1616 1539 NET Servicos de Comunicao S.A
4766 2473 1498 Korea Telecom (KIX)
7552 1424 1417 Vietel Corporation

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.60.208.0/20 31214 TIS-DIALOG Autonomous system
37.61.144.0/20 34977 PROCONO S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:80 /12:232
/13:458 /14:817 /15:1462 /16:12139 /17:6159 /18:10248
/19:20303 /20:28150 /21:29098 /22:39196 /23:36683 /24:204402
/25:1171 /26:1422 /27:782 /28:168 /29:55 /30:14
/31:0 /32:18

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2843 3223 Windstream Communications Inc
6389 2120 3449 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1693 1714 Corbina telecom
10620 1618 1723 TVCABLE BOGOTA
30036 1444 1487 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1067 1865 PaeTec Communications, Inc.
15557 1046 1095 LDCOM NETWORKS
7011 1031 1148 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:501 2:464 4:15 5:1 6:3 8:377
12:1950 13:1 14:583 15:11 16:3 17:6
20:9 23:112 24:1675 27:1178 31:821 32:65
33:2 34:2 36:8 37:102 38:794 40:114
41:2937 42:87 43:1 44:3 46:1204 47:3
49:319 50:517 52:13 54:1 55:7 56:2
57:41 58:948 59:491 60:345 61:1180 62:920
63:1978 64:4108 65:2286 66:4404 67:2022 68:1155
69:3142 70:920 71:428 72:1799 74:2653 75:445
76:320 77:966 78:904 79:500 80:1189 81:870
82:559 83:533 84:586 85:1153 86:743 87:905
88:341 89:1583 90:257 91:4432 92:531 93:1557
94:1363 95:1104 96:425 97:299 98:789 99:38
100:18 101:132 103:652 106:10 107:134 108:125
109:1467 110:688 111:839 112:429 113:525 114:601
115:757 116:851 117:727 118:901 119:1247 120:355
121:681 122:1630 123:1061 124:1338 125:1341 128:537
129:193 130:213 131:588 132:160 133:21 134:231
135:59 136:213 137:152 138:288 139:145 140:491
141:260 142:377 143:400 144:510 145:68 146:486
147:227 148:640 149:281 150:165 151:193 152:446
153:170 154:7 155:400 156:210 157:367 158:154
159:510 160:320 161:221 162:339 163:188 164:530
165:391 166:561 167:457 168:852 169:147 170:835
171:105 172:4 173:1779 174:584 175:416 176:371
177:464 178:1202 180:1227 181:43 182:693 183:274
184:404 185:1 186:1503 187:840 188:980 189:1164
190:5373 192:5988 193:5459 194:4198 195:3384 196:1290
197:168 198:3621 199:4324 200:5640 201:1697 202:8410
203:8602 204:4339 205:2429 206:2746 207:2803 208:4010
209:3544 210:2745 211:1474 212:1974 213:1825 214:847
215:95 216:4975 217:1473 218:557 219:341 220:1250
221:558 222:324 223:270

End of report


cscora at apnic

Jan 27, 2012, 10:59 AM

Post #58 of 93 (2248 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 28 Jan, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 394446
Prefixes after maximum aggregation: 169250
Deaggregation factor: 2.33
Unique aggregates announced to Internet: 191523
Total ASes present in the Internet Routing Table: 39956
Prefixes per ASN: 9.87
Origin-only ASes present in the Internet Routing Table: 32670
Origin ASes announcing only one prefix: 15524
Transit ASes present in the Internet Routing Table: 5393
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 34
Max AS path prepend of ASN (38964) 31
Prefixes from unregistered ASNs in the Routing Table: 320
Unregistered ASNs in the Routing Table: 120
Number of 32-bit ASNs allocated by the RIRs: 2225
Number of 32-bit ASNs visible in the Routing Table: 1893
Prefixes from 32-bit ASNs in the Routing Table: 4552
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 124
Number of addresses announced to Internet: 2512489808
Equivalent to 149 /8s, 193 /16s and 141 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 166987

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 97720
Total APNIC prefixes after maximum aggregation: 31635
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 94001
Unique aggregates announced from the APNIC address blocks: 39037
APNIC Region origin ASes present in the Internet Routing Table: 4647
APNIC Prefixes per ASN: 20.23
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 732
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 138
Number of APNIC addresses announced to Internet: 635145056
Equivalent to 37 /8s, 219 /16s and 139 /24s
Percentage of available APNIC address space announced: 80.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 147868
Total ARIN prefixes after maximum aggregation: 75244
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 119897
Unique aggregates announced from the ARIN address blocks: 49172
ARIN Region origin ASes present in the Internet Routing Table: 14873
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5685
ARIN Region transit ASes present in the Internet Routing Table: 1582
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 805162560
Equivalent to 47 /8s, 253 /16s and 206 /24s
Percentage of available ARIN address space announced: 64.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 97463
Total RIPE prefixes after maximum aggregation: 52172
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 89393
Unique aggregates announced from the RIPE address blocks: 55863
RIPE Region origin ASes present in the Internet Routing Table: 16289
RIPE Prefixes per ASN: 5.49
RIPE Region origin ASes announcing only one prefix: 7995
RIPE Region transit ASes present in the Internet Routing Table: 2592
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1312
Number of RIPE addresses announced to Internet: 498545288
Equivalent to 29 /8s, 183 /16s and 50 /24s
Percentage of available RIPE address space announced: 80.3

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 37647
Total LACNIC prefixes after maximum aggregation: 8038
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 37201
Unique aggregates announced from the LACNIC address blocks: 19337
LACNIC Region origin ASes present in the Internet Routing Table: 1567
LACNIC Prefixes per ASN: 23.74
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 289
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 425
Number of LACNIC addresses announced to Internet: 95771016
Equivalent to 5 /8s, 181 /16s and 89 /24s
Percentage of available LACNIC address space announced: 63.4

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 9026
Total AfriNIC prefixes after maximum aggregation: 2089
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 7047
Unique aggregates announced from the AfriNIC address blocks: 2156
AfriNIC Region origin ASes present in the Internet Routing Table: 507
AfriNIC Prefixes per ASN: 13.90
AfriNIC Region origin ASes announcing only one prefix: 159
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30775040
Equivalent to 1 /8s, 213 /16s and 151 /24s
Percentage of available AfriNIC address space announced: 45.9

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2472 11101 979 Korea Telecom (KIX)
17974 1714 503 35 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 86 TPG Internet Pty Ltd
4755 1527 385 155 TATA Communications formerly
7552 1424 1064 7 Vietel Corporation
9829 1167 989 28 BSNL National Internet Backbo
4808 1099 2051 312 CNCGROUP IP network: China169
9583 1068 78 505 Sify Limited
24560 1015 385 167 Bharti Airtel Ltd., Telemedia
18101 945 130 154 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3446 3807 201 bellsouth.net, inc.
7029 3227 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1864 679 123 PaeTec Communications, Inc.
20115 1624 1552 628 Charter Communications
4323 1608 1062 384 Time Warner Telecom
22773 1520 2910 109 Cox Communications, Inc.
30036 1453 255 729 Mediacom Communications Corp
19262 1386 4683 400 Verizon Global Networks
7018 1301 7008 848 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1744 480 15 Corbina telecom
2118 1241 99 14 EUnet/RELCOM Autonomous Syste
15557 1095 2161 64 LDCOM NETWORKS
6830 642 1927 412 UPC Distribution Services
34984 641 188 172 BILISIM TELEKOM
20940 589 193 463 Akamai Technologies European
12479 549 636 53 Uni2 Autonomous System
3320 531 8162 397 Deutsche Telekom AG
8551 529 360 81 Bezeq International
31148 524 36 8 FreeNet ISP

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1729 322 168 TVCABLE BOGOTA
28573 1637 1069 71 NET Servicos de Comunicao S.A
8151 1460 2999 344 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
11172 687 95 72 Servicios Alestra S.A de C.V
27947 650 73 99 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
3816 551 238 92 Empresa Nacional de Telecomun
7738 550 1050 31 Telecomunicacoes da Bahia S.A
6503 539 434 68 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1207 958 13 TEDATA
24863 833 156 44 LINKdotNET AS number
6713 487 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
33776 232 12 18 Starcomms Nigeria Limited
29571 214 17 12 Ci Telecom Autonomous system
12258 196 28 61 Vodacom Internet Company
24835 190 80 8 RAYA Telecom - Egypt
16637 163 664 82 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3446 3807 201 bellsouth.net, inc.
7029 3227 1017 200 Windstream Communications Inc
4766 2472 11101 979 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1864 679 123 PaeTec Communications, Inc.
8402 1744 480 15 Corbina telecom
10620 1729 322 168 TVCABLE BOGOTA
17974 1714 503 35 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 86 TPG Internet Pty Ltd
28573 1637 1069 71 NET Servicos de Comunicao S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3227 3027 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1864 1741 PaeTec Communications, Inc.
8402 1744 1729 Corbina telecom
17974 1714 1679 PT TELEKOMUNIKASI INDONESIA
28573 1637 1566 NET Servicos de Comunicao S.A
10620 1729 1561 TVCABLE BOGOTA
7545 1642 1556 TPG Internet Pty Ltd
4766 2472 1493 Korea Telecom (KIX)
7552 1424 1417 Vietel Corporation

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.72.0.0/19 29119 ServiHosting Autonomous Syste
37.72.48.0/20 23456 32-bit ASN transition

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:80 /12:232
/13:455 /14:817 /15:1463 /16:12154 /17:6161 /18:10269
/19:20310 /20:28154 /21:29112 /22:39487 /23:36820 /24:205227
/25:1181 /26:1421 /27:785 /28:168 /29:60 /30:14
/31:0 /32:18

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2847 3227 Windstream Communications Inc
6389 2116 3446 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1723 1744 Corbina telecom
10620 1624 1729 TVCABLE BOGOTA
30036 1412 1453 Mediacom Communications Corp
11492 1089 1125 Cable One
1785 1064 1864 PaeTec Communications, Inc.
15557 1046 1095 LDCOM NETWORKS
7011 1033 1149 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:510 2:478 4:14 5:1 6:3 8:378
12:1957 13:1 14:591 15:11 16:3 17:6
20:9 23:121 24:1716 27:1186 31:827 32:65
33:2 34:2 36:8 37:106 38:794 40:114
41:3175 42:87 43:1 44:3 46:1262 47:3
49:320 50:515 52:13 54:1 55:7 56:3
57:38 58:954 59:491 60:345 61:1178 62:922
63:1977 64:4130 65:2285 66:4409 67:2034 68:1168
69:3148 70:915 71:431 72:1799 74:2647 75:446
76:321 77:967 78:921 79:512 80:1208 81:872
82:561 83:532 84:583 85:1152 86:748 87:912
88:342 89:1544 90:258 91:4473 92:536 93:1554
94:1319 95:1125 96:414 97:306 98:793 99:38
100:20 101:130 103:688 106:4 107:137 108:129
109:1459 110:690 111:835 112:428 113:527 114:598
115:756 116:868 117:723 118:901 119:1254 120:354
121:681 122:1625 123:1058 124:1323 125:1359 128:538
129:190 130:211 131:591 132:162 133:21 134:233
135:59 136:213 137:153 138:290 139:145 140:488
141:260 142:378 143:400 144:508 145:68 146:487
147:226 148:695 149:271 150:166 151:192 152:446
153:170 154:7 155:398 156:210 157:367 158:154
159:509 160:333 161:237 162:339 163:188 164:532
165:391 166:561 167:458 168:765 169:147 170:833
171:112 172:4 173:1779 174:570 175:414 176:392
177:458 178:1234 180:1224 181:43 182:700 183:276
184:443 185:1 186:1506 187:829 188:974 189:1175
190:5395 192:5974 193:5483 194:4209 195:3392 196:1290
197:171 198:3588 199:4341 200:5704 201:1721 202:8424
203:8599 204:4348 205:2437 206:2749 207:2818 208:4046
209:3557 210:2733 211:1477 212:1978 213:1828 214:852
215:98 216:4975 217:1474 218:557 219:342 220:1252
221:549 222:321 223:273

End of report


cscora at apnic

Feb 3, 2012, 10:59 AM

Post #59 of 93 (2233 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 04 Feb, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 395820
Prefixes after maximum aggregation: 169388
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 191947
Total ASes present in the Internet Routing Table: 40003
Prefixes per ASN: 9.89
Origin-only ASes present in the Internet Routing Table: 32689
Origin ASes announcing only one prefix: 15521
Transit ASes present in the Internet Routing Table: 5393
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 315
Unregistered ASNs in the Routing Table: 120
Number of 32-bit ASNs allocated by the RIRs: 2257
Number of 32-bit ASNs visible in the Routing Table: 1921
Prefixes from 32-bit ASNs in the Routing Table: 4672
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2512081104
Equivalent to 149 /8s, 187 /16s and 80 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 167934

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 97613
Total APNIC prefixes after maximum aggregation: 31507
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 93918
Unique aggregates announced from the APNIC address blocks: 39044
APNIC Region origin ASes present in the Internet Routing Table: 4648
APNIC Prefixes per ASN: 20.21
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 731
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 140
Number of APNIC addresses announced to Internet: 635833440
Equivalent to 37 /8s, 230 /16s and 12 /24s
Percentage of available APNIC address space announced: 80.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 148115
Total ARIN prefixes after maximum aggregation: 75385
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 120087
Unique aggregates announced from the ARIN address blocks: 49290
ARIN Region origin ASes present in the Internet Routing Table: 14884
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5683
ARIN Region transit ASes present in the Internet Routing Table: 1577
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 804133824
Equivalent to 47 /8s, 238 /16s and 27 /24s
Percentage of available ARIN address space announced: 63.9

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 98052
Total RIPE prefixes after maximum aggregation: 52278
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 89929
Unique aggregates announced from the RIPE address blocks: 55955
RIPE Region origin ASes present in the Internet Routing Table: 16285
RIPE Prefixes per ASN: 5.52
RIPE Region origin ASes announcing only one prefix: 7995
RIPE Region transit ASes present in the Internet Routing Table: 2598
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1322
Number of RIPE addresses announced to Internet: 498585736
Equivalent to 29 /8s, 183 /16s and 208 /24s
Percentage of available RIPE address space announced: 80.3

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 38255
Total LACNIC prefixes after maximum aggregation: 8059
LACNIC Deaggregation factor: 4.75
Prefixes being announced from the LACNIC address blocks: 37876
Unique aggregates announced from the LACNIC address blocks: 19445
LACNIC Region origin ASes present in the Internet Routing Table: 1569
LACNIC Prefixes per ASN: 24.14
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 294
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 440
Number of LACNIC addresses announced to Internet: 95986568
Equivalent to 5 /8s, 184 /16s and 163 /24s
Percentage of available LACNIC address space announced: 63.6

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8951
Total AfriNIC prefixes after maximum aggregation: 2087
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 6957
Unique aggregates announced from the AfriNIC address blocks: 2150
AfriNIC Region origin ASes present in the Internet Routing Table: 512
AfriNIC Prefixes per ASN: 13.59
AfriNIC Region origin ASes announcing only one prefix: 163
AfriNIC Region transit ASes present in the Internet Routing Table: 115
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30867968
Equivalent to 1 /8s, 215 /16s and 2 /24s
Percentage of available AfriNIC address space announced: 46.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2474 11102 982 Korea Telecom (KIX)
17974 1723 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 85 TPG Internet Pty Ltd
4755 1529 385 155 TATA Communications formerly
7552 1408 1064 7 Vietel Corporation
9829 1167 989 28 BSNL National Internet Backbo
9583 1123 82 483 Sify Limited
4808 1102 2051 313 CNCGROUP IP network: China169
24560 1014 385 167 Bharti Airtel Ltd., Telemedia
17488 934 161 224 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3445 3807 201 bellsouth.net, inc.
7029 3211 1017 199 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 680 125 PaeTec Communications, Inc.
20115 1627 1552 627 Charter Communications
4323 1609 1062 384 Time Warner Telecom
22773 1498 2910 109 Cox Communications, Inc.
30036 1437 253 743 Mediacom Communications Corp
19262 1386 4683 400 Verizon Global Networks
7018 1305 7007 851 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1712 480 15 Corbina telecom
2118 1391 99 14 EUnet/RELCOM Autonomous Syste
15557 1096 2161 64 LDCOM NETWORKS
34984 643 188 172 BILISIM TELEKOM
6830 642 1927 412 UPC Distribution Services
20940 602 195 467 Akamai Technologies European
12479 561 642 54 Uni2 Autonomous System
31148 532 37 9 FreeNet ISP
3320 531 8162 397 Deutsche Telekom AG
8551 530 360 81 Bezeq International

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1735 323 170 TVCABLE BOGOTA
28573 1618 1083 72 NET Servicos de Comunicao S.A
8151 1336 2995 344 UniNet S.A. de C.V.
7303 1260 757 180 Telecom Argentina Stet-France
26615 887 640 33 Tim Brasil S.A.
11172 697 95 75 Servicios Alestra S.A de C.V
27947 650 73 99 Telconet S.A
22047 581 322 17 VTR PUNTO NET S.A.
3816 550 237 91 Empresa Nacional de Telecomun
7738 550 1050 31 Telecomunicacoes da Bahia S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1131 958 13 TEDATA
24863 834 155 43 LINKdotNET AS number
6713 485 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 237 13 13 Starcomms Nigeria Limited
29571 214 17 12 Ci Telecom Autonomous system
12258 197 28 62 Vodacom Internet Company
24835 193 80 8 RAYA Telecom - Egypt
16637 163 664 82 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3445 3807 201 bellsouth.net, inc.
7029 3211 1017 199 Windstream Communications Inc
4766 2474 11102 982 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1865 680 125 PaeTec Communications, Inc.
10620 1735 323 170 TVCABLE BOGOTA
17974 1723 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1712 480 15 Corbina telecom
7545 1642 303 85 TPG Internet Pty Ltd
20115 1627 1552 627 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3211 3012 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1865 1740 PaeTec Communications, Inc.
8402 1712 1697 Corbina telecom
17974 1723 1687 PT TELEKOMUNIKASI INDONESIA
10620 1735 1565 TVCABLE BOGOTA
7545 1642 1557 TPG Internet Pty Ltd
28573 1618 1546 NET Servicos de Comunicao S.A
4766 2474 1492 Korea Telecom (KIX)
7552 1408 1401 Vietel Corporation

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.77.128.0/21 8492 Siris
37.77.152.0/21 44176 RIPE Network Coordination Cen

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:80 /12:231
/13:458 /14:817 /15:1466 /16:12151 /17:6170 /18:10294
/19:20359 /20:28181 /21:29140 /22:39550 /23:36869 /24:206457
/25:1189 /26:1430 /27:786 /28:43 /29:59 /30:14
/31:0 /32:18

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2841 3211 Windstream Communications Inc
6389 2115 3445 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1691 1712 Corbina telecom
10620 1629 1735 TVCABLE BOGOTA
30036 1396 1437 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1063 1865 PaeTec Communications, Inc.
15557 1046 1096 LDCOM NETWORKS
7011 1033 1149 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:499 2:475 4:14 5:1 6:3 8:378
12:1954 13:1 14:595 15:11 16:3 17:6
20:9 23:125 24:1725 27:1187 31:852 32:65
33:2 34:2 36:9 37:161 38:791 40:114
41:3108 42:92 43:1 44:3 46:1279 47:3
49:322 50:514 52:13 54:2 55:8 56:3
57:38 58:958 59:491 60:344 61:1186 62:927
63:2000 64:4147 65:2287 66:4421 67:2048 68:1167
69:3149 70:916 71:410 72:1794 74:2646 75:452
76:323 77:963 78:913 79:498 80:1221 81:877
82:562 83:538 84:582 85:1163 86:746 87:910
88:341 89:1539 90:253 91:4473 92:540 93:1555
94:1338 95:1134 96:417 97:310 98:811 99:38
100:20 101:138 103:737 106:4 107:143 108:142
109:1467 110:687 111:837 112:429 113:525 114:596
115:757 116:860 117:722 118:906 119:1249 120:356
121:682 122:1627 123:1064 124:1338 125:1360 128:538
129:189 130:213 131:590 132:164 133:21 134:231
135:59 136:214 137:152 138:285 139:140 140:489
141:261 142:378 143:400 144:509 145:70 146:484
147:227 148:724 149:274 150:168 151:194 152:446
153:170 154:7 155:398 156:211 157:367 158:156
159:513 160:329 161:243 162:341 163:188 164:532
165:397 166:556 167:455 168:765 169:147 170:833
171:110 172:4 173:1757 174:591 175:414 176:468
177:470 178:1246 180:1176 181:64 182:703 183:274
184:430 185:1 186:2028 187:853 188:1030 189:1168
190:5444 192:5979 193:5525 194:4330 195:3390 196:1299
197:180 198:3615 199:4359 200:5710 201:1728 202:8404
203:8598 204:4343 205:2443 206:2747 207:2817 208:4064
209:3558 210:2724 211:1475 212:1976 213:1841 214:855
215:93 216:4984 217:1472 218:553 219:341 220:1243
221:555 222:321 223:274

End of report


cscora at apnic

Feb 10, 2012, 10:59 AM

Post #60 of 93 (2215 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 11 Feb, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 397602
Prefixes after maximum aggregation: 169606
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 192311
Total ASes present in the Internet Routing Table: 40086
Prefixes per ASN: 9.92
Origin-only ASes present in the Internet Routing Table: 32739
Origin ASes announcing only one prefix: 15528
Transit ASes present in the Internet Routing Table: 5400
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 328
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 2272
Number of 32-bit ASNs visible in the Routing Table: 1947
Prefixes from 32-bit ASNs in the Routing Table: 4674
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 137
Number of addresses announced to Internet: 2513929424
Equivalent to 149 /8s, 215 /16s and 132 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 168841

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 98087
Total APNIC prefixes after maximum aggregation: 31681
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 94410
Unique aggregates announced from the APNIC address blocks: 39147
APNIC Region origin ASes present in the Internet Routing Table: 4652
APNIC Prefixes per ASN: 20.29
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 737
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 143
Number of APNIC addresses announced to Internet: 635706656
Equivalent to 37 /8s, 228 /16s and 29 /24s
Percentage of available APNIC address space announced: 80.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 148238
Total ARIN prefixes after maximum aggregation: 75329
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120188
Unique aggregates announced from the ARIN address blocks: 49415
ARIN Region origin ASes present in the Internet Routing Table: 14905
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5689
ARIN Region transit ASes present in the Internet Routing Table: 1576
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 804413120
Equivalent to 47 /8s, 242 /16s and 94 /24s
Percentage of available ARIN address space announced: 63.9

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 98764
Total RIPE prefixes after maximum aggregation: 52358
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 90594
Unique aggregates announced from the RIPE address blocks: 56087
RIPE Region origin ASes present in the Internet Routing Table: 16308
RIPE Prefixes per ASN: 5.56
RIPE Region origin ASes announcing only one prefix: 7997
RIPE Region transit ASes present in the Internet Routing Table: 2598
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1344
Number of RIPE addresses announced to Internet: 500587080
Equivalent to 29 /8s, 214 /16s and 90 /24s
Percentage of available RIPE address space announced: 80.6

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 38648
Total LACNIC prefixes after maximum aggregation: 8064
LACNIC Deaggregation factor: 4.79
Prefixes being announced from the LACNIC address blocks: 38261
Unique aggregates announced from the LACNIC address blocks: 19517
LACNIC Region origin ASes present in the Internet Routing Table: 1572
LACNIC Prefixes per ASN: 24.34
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 290
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 441
Number of LACNIC addresses announced to Internet: 96512392
Equivalent to 5 /8s, 192 /16s and 169 /24s
Percentage of available LACNIC address space announced: 63.9

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 9015
Total AfriNIC prefixes after maximum aggregation: 2096
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 7029
Unique aggregates announced from the AfriNIC address blocks: 2148
AfriNIC Region origin ASes present in the Internet Routing Table: 511
AfriNIC Prefixes per ASN: 13.76
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 117
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30893056
Equivalent to 1 /8s, 215 /16s and 100 /24s
Percentage of available AfriNIC address space announced: 46.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2471 11101 979 Korea Telecom (KIX)
17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 85 TPG Internet Pty Ltd
4755 1532 385 156 TATA Communications formerly
7552 1393 1064 7 Vietel Corporation
9829 1172 989 28 BSNL National Internet Backbo
4808 1149 2112 314 CNCGROUP IP network: China169
9583 1124 83 482 Sify Limited
24560 1014 385 167 Bharti Airtel Ltd., Telemedia
18101 950 130 155 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3442 3807 201 bellsouth.net, inc.
7029 3391 1014 159 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1868 680 125 PaeTec Communications, Inc.
20115 1625 1550 631 Charter Communications
4323 1610 1062 385 Time Warner Telecom
22773 1511 2910 109 Cox Communications, Inc.
30036 1392 244 751 Mediacom Communications Corp
19262 1386 4687 396 Verizon Global Networks
7018 1307 6995 849 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1719 480 15 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
15557 1095 2161 63 LDCOM NETWORKS
34984 650 188 172 BILISIM TELEKOM
6830 644 1927 413 UPC Distribution Services
20940 608 195 470 Akamai Technologies European
12479 584 642 53 Uni2 Autonomous System
31148 538 37 9 FreeNet ISP
3320 533 8450 399 Deutsche Telekom AG
8551 530 360 81 Bezeq International

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1751 324 162 TVCABLE BOGOTA
28573 1655 1085 69 NET Servicos de Comunicao S.A
8151 1475 3003 342 UniNet S.A. de C.V.
7303 1263 758 182 Telecom Argentina Stet-France
26615 896 664 33 Tim Brasil S.A.
11172 694 95 75 Servicios Alestra S.A de C.V
27947 655 67 105 Telconet S.A
22047 581 322 17 VTR PUNTO NET S.A.
3816 551 237 91 Empresa Nacional de Telecomun
7738 550 1050 31 Telecomunicacoes da Bahia S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1235 958 13 TEDATA
24863 829 155 43 LINKdotNET AS number
6713 485 649 18 Itissalat Al-MAGHRIB
3741 278 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 236 13 14 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 193 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
16637 163 664 82 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3442 3807 201 bellsouth.net, inc.
7029 3391 1014 159 Windstream Communications Inc
4766 2471 11101 979 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1868 680 125 PaeTec Communications, Inc.
10620 1751 324 162 TVCABLE BOGOTA
17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1719 480 15 Corbina telecom
28573 1655 1085 69 NET Servicos de Comunicao S.A
7545 1642 303 85 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3391 3232 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1868 1743 PaeTec Communications, Inc.
8402 1719 1704 Corbina telecom
17974 1729 1693 PT TELEKOMUNIKASI INDONESIA
10620 1751 1589 TVCABLE BOGOTA
28573 1655 1586 NET Servicos de Comunicao S.A
7545 1642 1557 TPG Internet Pty Ltd
4766 2471 1492 Korea Telecom (KIX)
22773 1511 1402 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
37.98.208.0/20 8374 Polkomtel S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:80 /12:231
/13:458 /14:816 /15:1469 /16:12130 /17:6197 /18:10311
/19:20471 /20:28291 /21:29233 /22:39842 /23:37018 /24:207333
/25:1195 /26:1434 /27:775 /28:169 /29:59 /30:14
/31:0 /32:18

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3047 3391 Windstream Communications Inc
6389 2112 3442 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1698 1719 Corbina telecom
10620 1645 1751 TVCABLE BOGOTA
30036 1351 1392 Mediacom Communications Corp
11492 1118 1155 Cable One
1785 1065 1868 PaeTec Communications, Inc.
15557 1045 1095 LDCOM NETWORKS
8452 1041 1235 TEDATA

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:505 2:689 4:14 5:1 6:3 8:385
12:1958 13:1 14:596 15:11 16:3 17:7
20:9 23:133 24:1724 27:1197 31:901 32:65
33:2 34:2 36:9 37:177 38:776 40:115
41:3174 42:93 43:1 44:3 46:1281 47:3
49:322 50:512 52:13 54:2 55:9 56:3
57:38 58:962 59:491 60:344 61:1195 62:949
63:2008 64:4130 65:2285 66:4426 67:2039 68:1174
69:3159 70:927 71:412 72:1795 74:2654 75:463
76:322 77:976 78:936 79:502 80:1228 81:881
82:569 83:529 84:582 85:1154 86:742 87:919
88:334 89:1547 90:271 91:4479 92:538 93:1328
94:1357 95:1084 96:418 97:310 98:814 99:38
100:4 101:141 103:776 106:65 107:152 108:150
109:1486 110:694 111:848 112:432 113:530 114:597
115:763 116:868 117:727 118:899 119:1254 120:361
121:683 122:1621 123:1071 124:1337 125:1369 128:542
129:189 130:212 131:589 132:164 133:21 134:231
135:60 136:216 137:153 138:286 139:145 140:488
141:262 142:385 143:411 144:520 145:70 146:484
147:242 148:728 149:274 150:165 151:196 152:447
153:170 154:7 155:403 156:211 157:368 158:156
159:515 160:322 161:244 162:341 163:187 164:529
165:391 166:556 167:457 168:762 169:147 170:832
171:111 172:2 173:1733 174:603 175:416 176:515
177:481 178:1247 180:1180 181:65 182:715 183:278
184:425 185:1 186:2050 187:842 188:1031 189:1169
190:5474 192:5970 193:5525 194:4327 195:3393 196:1299
197:181 198:3619 199:4378 200:5718 201:1736 202:8496
203:8625 204:4346 205:2440 206:2736 207:2804 208:4069
209:3566 210:2747 211:1477 212:2042 213:1847 214:864
215:96 216:5000 217:1477 218:548 219:340 220:1252
221:558 222:325 223:280

End of report


cscora at apnic

Feb 17, 2012, 10:55 AM

Post #61 of 93 (2226 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 18 Feb, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 398152
Prefixes after maximum aggregation: 169962
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 192387
Total ASes present in the Internet Routing Table: 40142
Prefixes per ASN: 9.92
Origin-only ASes present in the Internet Routing Table: 32774
Origin ASes announcing only one prefix: 15521
Transit ASes present in the Internet Routing Table: 5396
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 324
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 2284
Number of 32-bit ASNs visible in the Routing Table: 1972
Prefixes from 32-bit ASNs in the Routing Table: 4748
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 225
Number of addresses announced to Internet: 2516085584
Equivalent to 149 /8s, 248 /16s and 107 /24s
Percentage of available address space announced: 67.9
Percentage of allocated address space announced: 67.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 169239

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 98012
Total APNIC prefixes after maximum aggregation: 31831
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 94322
Unique aggregates announced from the APNIC address blocks: 39128
APNIC Region origin ASes present in the Internet Routing Table: 4661
APNIC Prefixes per ASN: 20.24
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 738
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 149
Number of APNIC addresses announced to Internet: 636127072
Equivalent to 37 /8s, 234 /16s and 135 /24s
Percentage of available APNIC address space announced: 80.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 148390
Total ARIN prefixes after maximum aggregation: 75337
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120289
Unique aggregates announced from the ARIN address blocks: 49478
ARIN Region origin ASes present in the Internet Routing Table: 14911
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5685
ARIN Region transit ASes present in the Internet Routing Table: 1565
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 805086400
Equivalent to 47 /8s, 252 /16s and 164 /24s
Percentage of available ARIN address space announced: 64.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 99249
Total RIPE prefixes after maximum aggregation: 52504
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 90947
Unique aggregates announced from the RIPE address blocks: 55992
RIPE Region origin ASes present in the Internet Routing Table: 16316
RIPE Prefixes per ASN: 5.57
RIPE Region origin ASes announcing only one prefix: 7989
RIPE Region transit ASes present in the Internet Routing Table: 2603
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1356
Number of RIPE addresses announced to Internet: 501182472
Equivalent to 29 /8s, 223 /16s and 112 /24s
Percentage of available RIPE address space announced: 80.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 38624
Total LACNIC prefixes after maximum aggregation: 8109
LACNIC Deaggregation factor: 4.76
Prefixes being announced from the LACNIC address blocks: 38253
Unique aggregates announced from the LACNIC address blocks: 19501
LACNIC Region origin ASes present in the Internet Routing Table: 1574
LACNIC Prefixes per ASN: 24.30
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 291
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 448
Number of LACNIC addresses announced to Internet: 96604808
Equivalent to 5 /8s, 194 /16s and 18 /24s
Percentage of available LACNIC address space announced: 64.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8956
Total AfriNIC prefixes after maximum aggregation: 2096
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 6976
Unique aggregates announced from the AfriNIC address blocks: 2176
AfriNIC Region origin ASes present in the Internet Routing Table: 514
AfriNIC Prefixes per ASN: 13.57
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30956544
Equivalent to 1 /8s, 216 /16s and 92 /24s
Percentage of available AfriNIC address space announced: 46.1

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2485 11107 989 Korea Telecom (KIX)
17974 1729 501 36 PT TELEKOMUNIKASI INDONESIA
7545 1643 303 86 TPG Internet Pty Ltd
4755 1550 385 160 TATA Communications formerly
7552 1267 1064 7 Vietel Corporation
9829 1181 997 29 BSNL National Internet Backbo
4808 1149 2114 318 CNCGROUP IP network: China169
9583 1124 84 482 Sify Limited
24560 1019 385 167 Bharti Airtel Ltd., Telemedia
18101 950 130 156 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3440 3807 201 bellsouth.net, inc.
7029 3389 1014 159 Windstream Communications Inc
18566 2091 382 177 Covad Communications
1785 1871 680 126 PaeTec Communications, Inc.
20115 1627 1550 630 Charter Communications
4323 1608 1062 384 Time Warner Telecom
22773 1527 2910 110 Cox Communications, Inc.
30036 1400 248 750 Mediacom Communications Corp
19262 1388 4703 397 Verizon Global Networks
7018 1307 6996 848 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1768 480 15 Corbina telecom
2118 1399 97 13 EUnet/RELCOM Autonomous Syste
15557 1098 2184 60 LDCOM NETWORKS
34984 653 188 173 BILISIM TELEKOM
6830 644 1927 413 UPC Distribution Services
20940 615 198 472 Akamai Technologies European
12479 605 643 54 Uni2 Autonomous System
8551 576 360 81 Bezeq International
31148 538 37 9 FreeNet ISP
3320 533 8450 399 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1744 323 172 TVCABLE BOGOTA
28573 1671 1085 65 NET Servicos de Comunicao S.A
8151 1475 3007 345 UniNet S.A. de C.V.
7303 1263 758 182 Telecom Argentina Stet-France
26615 860 672 33 Tim Brasil S.A.
27947 661 67 108 Telconet S.A
11172 631 91 73 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
6503 552 418 66 AVANTEL, S.A.
3816 551 237 91 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1232 958 13 TEDATA
24863 830 156 44 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 278 939 229 The Internet Solution
33776 237 13 14 Starcomms Nigeria Limited
15706 222 32 6 Sudatel Internet Exchange Aut
29571 214 17 12 Ci Telecom Autonomous system
12258 197 28 62 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
16637 163 664 82 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3440 3807 201 bellsouth.net, inc.
7029 3389 1014 159 Windstream Communications Inc
4766 2485 11107 989 Korea Telecom (KIX)
18566 2091 382 177 Covad Communications
1785 1871 680 126 PaeTec Communications, Inc.
8402 1768 480 15 Corbina telecom
10620 1744 323 172 TVCABLE BOGOTA
17974 1729 501 36 PT TELEKOMUNIKASI INDONESIA
28573 1671 1085 65 NET Servicos de Comunicao S.A
7545 1643 303 86 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3389 3230 Windstream Communications Inc
18566 2091 1914 Covad Communications
8402 1768 1753 Corbina telecom
1785 1871 1745 PaeTec Communications, Inc.
17974 1729 1693 PT TELEKOMUNIKASI INDONESIA
28573 1671 1606 NET Servicos de Comunicao S.A
10620 1744 1572 TVCABLE BOGOTA
7545 1643 1557 TPG Internet Pty Ltd
4766 2485 1496 Korea Telecom (KIX)
22773 1527 1417 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/16 18779 Guru.com
27.112.114.0/24 23884 Proimage Engineering and Comm

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:27 /11:80 /12:231
/13:458 /14:814 /15:1471 /16:12149 /17:6211 /18:10346
/19:20464 /20:28291 /21:29265 /22:39904 /23:37028 /24:207711
/25:1186 /26:1449 /27:779 /28:168 /29:57 /30:14
/31:0 /32:18

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3045 3389 Windstream Communications Inc
6389 2110 3440 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1747 1768 Corbina telecom
10620 1641 1744 TVCABLE BOGOTA
30036 1354 1400 Mediacom Communications Corp
11492 1118 1155 Cable One
1785 1064 1871 PaeTec Communications, Inc.
15557 1045 1098 LDCOM NETWORKS
8452 1042 1232 TEDATA

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:505 2:740 4:14 5:1 6:3 8:384
12:1960 13:1 14:597 15:11 16:3 17:7
20:8 23:135 24:1730 27:1186 31:945 32:65
33:2 34:2 36:9 37:186 38:781 40:115
41:3149 42:96 43:1 44:3 46:1298 47:3
49:331 50:501 52:13 54:2 55:10 56:3
57:38 58:966 59:494 60:344 61:1195 62:949
63:2005 64:4148 65:2284 66:4452 67:2034 68:1174
69:3163 70:934 71:412 72:1795 74:2658 75:463
76:320 77:979 78:948 79:486 80:1212 81:879
82:604 83:523 84:587 85:1153 86:749 87:914
88:338 89:1556 90:282 91:4472 92:530 93:1349
94:1378 95:1116 96:418 97:311 98:812 99:38
100:4 101:144 103:805 106:65 107:155 108:168
109:1489 110:700 111:851 112:437 113:527 114:602
115:765 116:862 117:710 118:903 119:1254 120:361
121:685 122:1624 123:1082 124:1333 125:1325 128:538
129:190 130:216 131:588 132:166 133:21 134:234
135:62 136:215 137:182 138:288 139:145 140:490
141:263 142:394 143:403 144:509 145:69 146:483
147:237 148:732 149:282 150:172 151:198 152:447
153:170 154:7 155:408 156:212 157:367 158:160
159:512 160:321 161:245 162:341 163:187 164:531
165:395 166:558 167:458 168:762 169:147 170:838
171:114 172:4 173:1722 174:592 175:421 176:516
177:503 178:1255 180:1180 181:67 182:726 183:280
184:430 185:1 186:2013 187:846 188:1070 189:1172
190:5504 192:5979 193:5532 194:4341 195:3402 196:1289
197:164 198:3622 199:4393 200:5704 201:1742 202:8419
203:8619 204:4369 205:2440 206:2744 207:2781 208:4076
209:3557 210:2760 211:1481 212:2011 213:1838 214:857
215:91 216:5029 217:1488 218:551 219:337 220:1225
221:561 222:324 223:313

End of report


cscora at apnic

Feb 24, 2012, 10:55 AM

Post #62 of 93 (2222 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 25 Feb, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 398370
Prefixes after maximum aggregation: 170083
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 193498
Total ASes present in the Internet Routing Table: 40222
Prefixes per ASN: 9.90
Origin-only ASes present in the Internet Routing Table: 32798
Origin ASes announcing only one prefix: 15535
Transit ASes present in the Internet Routing Table: 5416
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 321
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 2294
Number of 32-bit ASNs visible in the Routing Table: 2008
Prefixes from 32-bit ASNs in the Routing Table: 4823
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 303
Number of addresses announced to Internet: 2521478992
Equivalent to 150 /8s, 74 /16s and 183 /24s
Percentage of available address space announced: 68.0
Percentage of allocated address space announced: 68.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 169400

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 97749
Total APNIC prefixes after maximum aggregation: 31742
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 94211
Unique aggregates announced from the APNIC address blocks: 39264
APNIC Region origin ASes present in the Internet Routing Table: 4664
APNIC Prefixes per ASN: 20.20
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 738
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 151
Number of APNIC addresses announced to Internet: 639946592
Equivalent to 38 /8s, 36 /16s and 207 /24s
Percentage of available APNIC address space announced: 81.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 148408
Total ARIN prefixes after maximum aggregation: 75382
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120229
Unique aggregates announced from the ARIN address blocks: 49575
ARIN Region origin ASes present in the Internet Routing Table: 14921
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5683
ARIN Region transit ASes present in the Internet Routing Table: 1575
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 805439424
Equivalent to 48 /8s, 2 /16s and 7 /24s
Percentage of available ARIN address space announced: 64.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 99486
Total RIPE prefixes after maximum aggregation: 52692
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 91151
Unique aggregates announced from the RIPE address blocks: 56714
RIPE Region origin ASes present in the Internet Routing Table: 16336
RIPE Prefixes per ASN: 5.58
RIPE Region origin ASes announcing only one prefix: 8012
RIPE Region transit ASes present in the Internet Routing Table: 2613
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1380
Number of RIPE addresses announced to Internet: 500978952
Equivalent to 29 /8s, 220 /16s and 85 /24s
Percentage of available RIPE address space announced: 80.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 38762
Total LACNIC prefixes after maximum aggregation: 8083
LACNIC Deaggregation factor: 4.80
Prefixes being announced from the LACNIC address blocks: 38441
Unique aggregates announced from the LACNIC address blocks: 19555
LACNIC Region origin ASes present in the Internet Routing Table: 1576
LACNIC Prefixes per ASN: 24.39
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 289
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 458
Number of LACNIC addresses announced to Internet: 97295240
Equivalent to 5 /8s, 204 /16s and 155 /24s
Percentage of available LACNIC address space announced: 64.4

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8970
Total AfriNIC prefixes after maximum aggregation: 2091
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 6985
Unique aggregates announced from the AfriNIC address blocks: 2124
AfriNIC Region origin ASes present in the Internet Routing Table: 517
AfriNIC Prefixes per ASN: 13.51
AfriNIC Region origin ASes announcing only one prefix: 163
AfriNIC Region transit ASes present in the Internet Routing Table: 116
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 31523072
Equivalent to 1 /8s, 225 /16s and 1 /24s
Percentage of available AfriNIC address space announced: 47.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2485 11107 991 Korea Telecom (KIX)
17974 1725 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 86 TPG Internet Pty Ltd
4755 1557 385 157 TATA Communications formerly
7552 1282 1064 7 Vietel Corporation
4808 1148 2112 319 CNCGROUP IP network: China169
9583 1126 84 483 Sify Limited
9829 1106 996 29 BSNL National Internet Backbo
24560 1011 385 167 Bharti Airtel Ltd., Telemedia
18101 949 130 155 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3433 3807 199 bellsouth.net, inc.
7029 3416 1014 159 Windstream Communications Inc
18566 2091 382 177 Covad Communications
1785 1873 680 126 PaeTec Communications, Inc.
20115 1629 1551 630 Charter Communications
4323 1607 1043 381 Time Warner Telecom
22773 1536 2910 110 Cox Communications, Inc.
30036 1415 254 745 Mediacom Communications Corp
19262 1388 4703 398 Verizon Global Networks
7018 1311 6980 851 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1753 480 15 Corbina telecom
2118 1398 97 13 EUnet/RELCOM Autonomous Syste
15557 1099 2184 60 LDCOM NETWORKS
34984 656 188 173 BILISIM TELEKOM
6830 644 1927 413 UPC Distribution Services
20940 627 203 480 Akamai Technologies European
12479 608 644 55 Uni2 Autonomous System
8551 565 360 81 Bezeq International
31148 541 37 9 FreeNet ISP
3320 533 8450 399 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1751 324 171 TVCABLE BOGOTA
28573 1685 1088 62 NET Servicos de Comunicao S.A
8151 1483 3011 349 UniNet S.A. de C.V.
7303 1326 822 186 Telecom Argentina Stet-France
26615 881 668 32 Tim Brasil S.A.
27947 662 67 108 Telconet S.A
11172 632 91 72 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
6503 576 418 66 AVANTEL, S.A.
3816 554 237 91 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1254 958 13 TEDATA
24863 834 274 37 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 277 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
29571 214 17 12 Ci Telecom Autonomous system
12258 197 28 62 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
33776 182 12 20 Starcomms Nigeria Limited
16637 157 647 81 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3433 3807 199 bellsouth.net, inc.
7029 3416 1014 159 Windstream Communications Inc
4766 2485 11107 991 Korea Telecom (KIX)
18566 2091 382 177 Covad Communications
1785 1873 680 126 PaeTec Communications, Inc.
8402 1753 480 15 Corbina telecom
10620 1751 324 171 TVCABLE BOGOTA
17974 1725 503 36 PT TELEKOMUNIKASI INDONESIA
28573 1685 1088 62 NET Servicos de Comunicao S.A
7545 1642 303 86 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3416 3257 Windstream Communications Inc
18566 2091 1914 Covad Communications
1785 1873 1747 PaeTec Communications, Inc.
8402 1753 1738 Corbina telecom
17974 1725 1689 PT TELEKOMUNIKASI INDONESIA
28573 1685 1623 NET Servicos de Comunicao S.A
10620 1751 1580 TVCABLE BOGOTA
7545 1642 1556 TPG Internet Pty Ltd
4766 2485 1494 Korea Telecom (KIX)
22773 1536 1426 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/16 18779 Guru.com
27.112.114.0/24 23884 Proimage Engineering and Comm

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:81 /12:232
/13:459 /14:812 /15:1473 /16:12149 /17:6216 /18:10375
/19:20480 /20:28362 /21:29291 /22:39795 /23:37056 /24:207890
/25:1174 /26:1425 /27:782 /28:170 /29:56 /30:14
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3070 3416 Windstream Communications Inc
6389 2107 3433 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1732 1753 Corbina telecom
10620 1648 1751 TVCABLE BOGOTA
30036 1365 1415 Mediacom Communications Corp
11492 1122 1159 Cable One
1785 1064 1873 PaeTec Communications, Inc.
8452 1062 1254 TEDATA
15557 1046 1099 LDCOM NETWORKS

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:503 2:712 4:14 6:3 8:387 12:1962
13:1 14:595 15:11 16:3 17:7 20:8
23:134 24:1736 27:1195 31:944 32:65 33:2
34:2 36:9 37:198 38:781 40:116 41:3117
42:112 43:1 44:3 46:1324 47:3 49:319
50:509 52:13 54:2 55:7 56:3 57:38
58:965 59:494 60:344 61:1189 62:966 63:2010
64:4122 65:2285 66:4460 67:2020 68:1167 69:3163
70:909 71:406 72:1791 74:2648 75:470 76:320
77:970 78:958 79:509 80:1224 81:878 82:629
83:528 84:585 85:1155 86:728 87:912 88:334
89:1564 90:282 91:4501 92:510 93:1351 94:1386
95:1118 96:421 97:311 98:831 99:38 100:4
101:154 103:830 106:66 107:161 108:176 109:1542
110:708 111:853 112:435 113:528 114:601 115:779
116:870 117:710 118:906 119:1258 120:364 121:690
122:1617 123:1078 124:1329 125:1316 128:536 129:190
130:217 131:590 132:162 133:21 134:234 135:62
136:214 137:183 138:268 139:145 140:468 141:261
142:394 143:420 144:515 145:69 146:486 147:240
148:734 149:300 150:163 151:198 152:448 153:171
154:7 155:395 156:212 157:370 158:163 159:517
160:319 161:245 162:342 163:181 164:523 165:393
166:559 167:459 168:737 169:148 170:838 171:118
172:4 173:1721 174:598 175:422 176:507 177:507
178:1282 180:1184 181:68 182:736 183:281 184:432
185:1 186:2039 187:856 188:1084 189:1186 190:5463
192:5970 193:5539 194:4344 195:3394 196:1288 197:167
198:3622 199:4415 200:5710 201:1737 202:8401 203:8633
204:4362 205:2441 206:2741 207:2795 208:4067 209:3551
210:2752 211:1476 212:2015 213:1843 214:837 215:101
216:5030 217:1501 218:547 219:337 220:1224 221:562
222:324 223:312

End of report


cscora at apnic

Mar 2, 2012, 10:56 AM

Post #63 of 93 (2223 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 03 Mar, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 398919
Prefixes after maximum aggregation: 170354
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 193894
Total ASes present in the Internet Routing Table: 40219
Prefixes per ASN: 9.92
Origin-only ASes present in the Internet Routing Table: 32806
Origin ASes announcing only one prefix: 15513
Transit ASes present in the Internet Routing Table: 5413
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 339
Unregistered ASNs in the Routing Table: 146
Number of 32-bit ASNs allocated by the RIRs: 2307
Number of 32-bit ASNs visible in the Routing Table: 2000
Prefixes from 32-bit ASNs in the Routing Table: 4712
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 424
Number of addresses announced to Internet: 2523361040
Equivalent to 150 /8s, 103 /16s and 111 /24s
Percentage of available address space announced: 68.1
Percentage of allocated address space announced: 68.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 169546

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 98087
Total APNIC prefixes after maximum aggregation: 31882
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 94440
Unique aggregates announced from the APNIC address blocks: 39376
APNIC Region origin ASes present in the Internet Routing Table: 4666
APNIC Prefixes per ASN: 20.24
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 742
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 157
Number of APNIC addresses announced to Internet: 641101792
Equivalent to 38 /8s, 54 /16s and 111 /24s
Percentage of available APNIC address space announced: 81.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 148580
Total ARIN prefixes after maximum aggregation: 75492
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120266
Unique aggregates announced from the ARIN address blocks: 49674
ARIN Region origin ASes present in the Internet Routing Table: 14926
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5685
ARIN Region transit ASes present in the Internet Routing Table: 1571
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 805413120
Equivalent to 48 /8s, 1 /16s and 161 /24s
Percentage of available ARIN address space announced: 64.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 99868
Total RIPE prefixes after maximum aggregation: 52724
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 91478
Unique aggregates announced from the RIPE address blocks: 56727
RIPE Region origin ASes present in the Internet Routing Table: 16343
RIPE Prefixes per ASN: 5.60
RIPE Region origin ASes announcing only one prefix: 7994
RIPE Region transit ASes present in the Internet Routing Table: 2621
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1391
Number of RIPE addresses announced to Internet: 501247240
Equivalent to 29 /8s, 224 /16s and 109 /24s
Percentage of available RIPE address space announced: 80.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 38718
Total LACNIC prefixes after maximum aggregation: 8058
LACNIC Deaggregation factor: 4.80
Prefixes being announced from the LACNIC address blocks: 38269
Unique aggregates announced from the LACNIC address blocks: 19523
LACNIC Region origin ASes present in the Internet Routing Table: 1553
LACNIC Prefixes per ASN: 24.64
LACNIC Region origin ASes announcing only one prefix: 428
LACNIC Region transit ASes present in the Internet Routing Table: 276
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 434
Number of LACNIC addresses announced to Internet: 97556872
Equivalent to 5 /8s, 208 /16s and 153 /24s
Percentage of available LACNIC address space announced: 64.6

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8763
Total AfriNIC prefixes after maximum aggregation: 2091
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 6769
Unique aggregates announced from the AfriNIC address blocks: 2141
AfriNIC Region origin ASes present in the Internet Routing Table: 518
AfriNIC Prefixes per ASN: 13.07
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 121
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 3
Number of AfriNIC addresses announced to Internet: 31557120
Equivalent to 1 /8s, 225 /16s and 134 /24s
Percentage of available AfriNIC address space announced: 47.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2486 11107 988 Korea Telecom (KIX)
17974 1732 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1645 303 85 TPG Internet Pty Ltd
4755 1559 385 157 TATA Communications formerly
9829 1182 997 29 BSNL National Internet Backbo
7552 1154 1062 11 Vietel Corporation
4808 1146 2101 316 CNCGROUP IP network: China169
9583 1131 83 481 Sify Limited
24560 1012 385 167 Bharti Airtel Ltd., Telemedia
18101 949 130 155 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3432 3807 199 bellsouth.net, inc.
7029 3418 1014 159 Windstream Communications Inc
18566 2090 382 177 Covad Communications
1785 1874 680 127 PaeTec Communications, Inc.
20115 1631 1550 632 Charter Communications
4323 1611 1059 384 Time Warner Telecom
22773 1538 2910 110 Cox Communications, Inc.
30036 1408 254 742 Mediacom Communications Corp
19262 1389 4703 398 Verizon Global Networks
7018 1284 6962 842 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1860 544 16 Corbina telecom
2118 1421 97 13 EUnet/RELCOM Autonomous Syste
15557 1088 2184 60 LDCOM NETWORKS
34984 657 188 171 BILISIM TELEKOM
6830 642 1927 413 UPC Distribution Services
20940 633 203 482 Akamai Technologies European
12479 610 644 55 Uni2 Autonomous System
8551 599 360 81 Bezeq International
31148 540 37 9 FreeNet ISP
3320 532 8442 398 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1758 325 169 TVCABLE BOGOTA
28573 1672 1089 60 NET Servicos de Comunicao S.A
8151 1486 3013 346 UniNet S.A. de C.V.
7303 1328 822 186 Telecom Argentina Stet-France
26615 881 664 33 Tim Brasil S.A.
27947 667 68 107 Telconet S.A
11172 634 91 72 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
6503 573 418 66 AVANTEL, S.A.
3816 561 240 89 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1249 958 13 TEDATA
24863 834 274 37 LINKdotNET AS number
6713 490 649 18 Itissalat Al-MAGHRIB
3741 277 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
29571 211 16 10 Ci Telecom Autonomous system
12258 197 28 62 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
33776 169 12 16 Starcomms Nigeria Limited
36923 157 20 4 Swift Networks Limited

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3432 3807 199 bellsouth.net, inc.
7029 3418 1014 159 Windstream Communications Inc
4766 2486 11107 988 Korea Telecom (KIX)
18566 2090 382 177 Covad Communications
1785 1874 680 127 PaeTec Communications, Inc.
8402 1860 544 16 Corbina telecom
10620 1758 325 169 TVCABLE BOGOTA
17974 1732 503 37 PT TELEKOMUNIKASI INDONESIA
28573 1672 1089 60 NET Servicos de Comunicao S.A
7545 1645 303 85 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3418 3259 Windstream Communications Inc
18566 2090 1913 Covad Communications
8402 1860 1844 Corbina telecom
1785 1874 1747 PaeTec Communications, Inc.
17974 1732 1695 PT TELEKOMUNIKASI INDONESIA
28573 1672 1612 NET Servicos de Comunicao S.A
10620 1758 1589 TVCABLE BOGOTA
7545 1645 1560 TPG Internet Pty Ltd
4766 2486 1498 Korea Telecom (KIX)
22773 1538 1428 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/20 18779 Guru.com
23.27.0.0/16 18779 Guru.com

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:81 /12:233
/13:458 /14:817 /15:1474 /16:12170 /17:6223 /18:10408
/19:20448 /20:28449 /21:29230 /22:39750 /23:37074 /24:208355
/25:1204 /26:1441 /27:784 /28:170 /29:58 /30:14
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3073 3418 Windstream Communications Inc
6389 2106 3432 bellsouth.net, inc.
18566 2039 2090 Covad Communications
8402 1838 1860 Corbina telecom
10620 1655 1758 TVCABLE BOGOTA
30036 1358 1408 Mediacom Communications Corp
11492 1124 1161 Cable One
1785 1064 1874 PaeTec Communications, Inc.
8452 1059 1249 TEDATA
7011 1040 1156 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:522 2:783 4:14 6:3 8:390 12:1964
13:1 14:605 15:11 16:3 17:7 20:8
23:135 24:1738 27:1204 31:986 32:65 33:2
34:2 36:9 37:217 38:779 40:116 41:2938
42:120 44:3 46:1382 47:3 49:334 50:510
52:13 54:5 55:9 56:3 57:38 58:967
59:497 60:287 61:1197 62:976 63:2009 64:4116
65:2283 66:4468 67:2035 68:1165 69:3154 70:909
71:409 72:1789 74:2646 75:470 76:319 77:975
78:968 79:492 80:1211 81:885 82:625 83:540
84:586 85:1160 86:723 87:913 88:334 89:1563
90:284 91:4531 92:515 93:1401 94:1374 95:1120
96:421 97:315 98:819 99:38 100:5 101:153
103:856 106:64 107:166 108:179 109:1529 110:723
111:867 112:435 113:528 114:606 115:792 116:869
117:710 118:905 119:1261 120:362 121:727 122:1620
123:1079 124:1340 125:1323 128:536 129:190 130:262
131:591 132:165 133:21 134:234 135:62 136:212
137:184 138:268 139:145 140:493 141:265 142:392
143:406 144:513 145:69 146:484 147:251 148:724
149:300 150:158 151:198 152:448 153:171 154:7
155:382 156:212 157:370 158:162 159:518 160:322
161:245 162:343 163:187 164:530 165:395 166:560
167:458 168:810 169:148 170:839 171:119 172:4
173:1706 174:597 175:420 176:529 177:483 178:1281
180:1193 181:68 182:746 183:284 184:437 185:1
186:2015 187:830 188:1058 189:1173 190:5469 192:5988
193:5572 194:4354 195:3404 196:1295 197:167 198:3631
199:4425 200:5722 201:1757 202:8385 203:8662 204:4359
205:2446 206:2745 207:2796 208:4059 209:3560 210:2758
211:1476 212:1986 213:1867 214:836 215:102 216:5022
217:1509 218:549 219:334 220:1231 221:564 222:322
223:319

End of report


cscora at apnic

Mar 9, 2012, 10:56 AM

Post #64 of 93 (2175 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 10 Mar, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 400226
Prefixes after maximum aggregation: 170764
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 194744
Total ASes present in the Internet Routing Table: 40315
Prefixes per ASN: 9.93
Origin-only ASes present in the Internet Routing Table: 32840
Origin ASes announcing only one prefix: 15490
Transit ASes present in the Internet Routing Table: 5414
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 369
Unregistered ASNs in the Routing Table: 162
Number of 32-bit ASNs allocated by the RIRs: 2313
Number of 32-bit ASNs visible in the Routing Table: 2061
Prefixes from 32-bit ASNs in the Routing Table: 4921
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 561
Number of addresses announced to Internet: 2525381776
Equivalent to 150 /8s, 134 /16s and 68 /24s
Percentage of available address space announced: 68.1
Percentage of allocated address space announced: 68.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 170161

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 98128
Total APNIC prefixes after maximum aggregation: 31878
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 94515
Unique aggregates announced from the APNIC address blocks: 39432
APNIC Region origin ASes present in the Internet Routing Table: 4670
APNIC Prefixes per ASN: 20.24
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 735
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 164
Number of APNIC addresses announced to Internet: 640794208
Equivalent to 38 /8s, 49 /16s and 190 /24s
Percentage of available APNIC address space announced: 81.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 149018
Total ARIN prefixes after maximum aggregation: 75689
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120522
Unique aggregates announced from the ARIN address blocks: 49856
ARIN Region origin ASes present in the Internet Routing Table: 14928
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5667
ARIN Region transit ASes present in the Internet Routing Table: 1571
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 806485760
Equivalent to 48 /8s, 17 /16s and 255 /24s
Percentage of available ARIN address space announced: 64.1

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 100333
Total RIPE prefixes after maximum aggregation: 52819
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 91871
Unique aggregates announced from the RIPE address blocks: 56921
RIPE Region origin ASes present in the Internet Routing Table: 16335
RIPE Prefixes per ASN: 5.62
RIPE Region origin ASes announcing only one prefix: 7986
RIPE Region transit ASes present in the Internet Routing Table: 2623
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1406
Number of RIPE addresses announced to Internet: 501532936
Equivalent to 29 /8s, 228 /16s and 201 /24s
Percentage of available RIPE address space announced: 80.8

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 38950
Total LACNIC prefixes after maximum aggregation: 8158
LACNIC Deaggregation factor: 4.77
Prefixes being announced from the LACNIC address blocks: 38648
Unique aggregates announced from the LACNIC address blocks: 19684
LACNIC Region origin ASes present in the Internet Routing Table: 1573
LACNIC Prefixes per ASN: 24.57
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 285
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 472
Number of LACNIC addresses announced to Internet: 98090376
Equivalent to 5 /8s, 216 /16s and 189 /24s
Percentage of available LACNIC address space announced: 65.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8653
Total AfriNIC prefixes after maximum aggregation: 2097
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6739
Unique aggregates announced from the AfriNIC address blocks: 2164
AfriNIC Region origin ASes present in the Internet Routing Table: 518
AfriNIC Prefixes per ASN: 13.01
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 116
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 31553792
Equivalent to 1 /8s, 225 /16s and 121 /24s
Percentage of available AfriNIC address space announced: 47.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2494 11109 994 Korea Telecom (KIX)
17974 1735 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1647 303 86 TPG Internet Pty Ltd
4755 1568 386 158 TATA Communications formerly
9583 1236 93 525 Sify Limited
9829 1187 1001 30 BSNL National Internet Backbo
7552 1160 1062 11 Vietel Corporation
4808 1093 2048 311 CNCGROUP IP network: China169
24560 1005 383 166 Bharti Airtel Ltd., Telemedia
18101 949 130 155 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7029 3418 1014 159 Windstream Communications Inc
6389 3405 3807 198 bellsouth.net, inc.
18566 2091 382 177 Covad Communications
1785 1881 680 128 PaeTec Communications, Inc.
20115 1635 1555 634 Charter Communications
4323 1608 1059 383 Time Warner Telecom
22773 1544 2910 111 Cox Communications, Inc.
30036 1419 259 758 Mediacom Communications Corp
19262 1359 4701 399 Verizon Global Networks
7018 1281 9776 841 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1777 544 16 Corbina telecom
2118 1421 97 13 EUnet/RELCOM Autonomous Syste
15557 1087 2184 60 LDCOM NETWORKS
34984 658 188 171 BILISIM TELEKOM
20940 641 206 489 Akamai Technologies European
6830 640 1927 411 UPC Distribution Services
12479 640 648 54 Uni2 Autonomous System
8551 578 360 81 Bezeq International
31148 540 37 9 FreeNet ISP
3320 533 8442 399 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1761 326 160 TVCABLE BOGOTA
28573 1688 1092 57 NET Servicos de Comunicao S.A
8151 1487 3013 348 UniNet S.A. de C.V.
7303 1328 822 186 Telecom Argentina Stet-France
26615 899 676 30 Tim Brasil S.A.
27947 678 68 110 Telconet S.A
11172 634 91 72 Servicios Alestra S.A de C.V
22047 582 322 17 VTR PUNTO NET S.A.
6503 572 418 65 AVANTEL, S.A.
3816 558 240 89 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1178 958 13 TEDATA
24863 801 274 37 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 277 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 Vodacom Internet Company
24835 182 80 8 RAYA Telecom - Egypt
33776 161 12 16 Starcomms Nigeria Limited
36923 157 20 4 Swift Networks Limited
29571 156 15 16 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
7029 3418 1014 159 Windstream Communications Inc
6389 3405 3807 198 bellsouth.net, inc.
4766 2494 11109 994 Korea Telecom (KIX)
18566 2091 382 177 Covad Communications
1785 1881 680 128 PaeTec Communications, Inc.
8402 1777 544 16 Corbina telecom
10620 1761 326 160 TVCABLE BOGOTA
17974 1735 503 37 PT TELEKOMUNIKASI INDONESIA
28573 1688 1092 57 NET Servicos de Comunicao S.A
7545 1647 303 86 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
6389 3405 3207 bellsouth.net, inc.
18566 2091 1914 Covad Communications
8402 1777 1761 Corbina telecom
1785 1881 1753 PaeTec Communications, Inc.
17974 1735 1698 PT TELEKOMUNIKASI INDONESIA
28573 1688 1631 NET Servicos de Comunicao S.A
10620 1761 1601 TVCABLE BOGOTA
7545 1647 1561 TPG Internet Pty Ltd
4766 2494 1500 Korea Telecom (KIX)
22773 1544 1433 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/20 54500 EGIHosting
23.27.0.0/16 54500 EGIHosting

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:81 /12:235
/13:458 /14:818 /15:1476 /16:12177 /17:6227 /18:10410
/19:20464 /20:28564 /21:29360 /22:39917 /23:37110 /24:209174
/25:1212 /26:1443 /27:782 /28:169 /29:57 /30:14
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3073 3418 Windstream Communications Inc
6389 2103 3405 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1755 1777 Corbina telecom
10620 1658 1761 TVCABLE BOGOTA
30036 1368 1419 Mediacom Communications Corp
11492 1125 1162 Cable One
1785 1064 1881 PaeTec Communications, Inc.
7011 1042 1157 Citizens Utilities
15557 1034 1087 LDCOM NETWORKS

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:523 2:726 4:14 6:3 8:392 12:1961
13:1 14:603 15:12 16:3 17:7 20:8
23:142 24:1749 27:1231 31:961 32:62 33:2
34:2 36:9 37:237 38:778 40:117 41:2936
42:123 44:3 46:1403 47:3 49:339 50:512
52:13 54:5 55:12 56:3 57:38 58:953
59:497 60:283 61:1190 62:972 63:2011 64:4132
65:2281 66:4471 67:2031 68:1158 69:3168 70:917
71:423 72:1831 74:2635 75:469 76:320 77:977
78:963 79:485 80:1209 81:887 82:630 83:538
84:604 85:1185 86:726 87:907 88:334 89:1565
90:285 91:4549 92:515 93:1382 94:1369 95:1120
96:424 97:316 98:833 99:38 100:5 101:146
103:886 106:64 107:171 108:211 109:1532 110:726
111:861 112:437 113:536 114:609 115:774 116:870
117:712 118:910 119:1261 120:329 121:687 122:1621
123:1077 124:1341 125:1341 128:543 129:192 130:260
131:591 132:166 133:21 134:236 135:62 136:212
137:185 138:275 139:145 140:491 141:266 142:390
143:427 144:501 145:68 146:490 147:243 148:725
149:300 150:162 151:176 152:448 153:171 154:7
155:432 156:212 157:370 158:162 159:518 160:327
161:245 162:344 163:186 164:531 165:394 166:564
167:461 168:810 169:148 170:848 171:117 172:4
173:1716 174:608 175:421 176:547 177:537 178:1285
180:1196 181:66 182:769 183:285 184:442 185:1
186:2101 187:857 188:1052 189:1207 190:5471 192:5990
193:5573 194:4408 195:3611 196:1286 197:168 198:3636
199:4443 200:5739 201:1771 202:8389 203:8669 204:4361
205:2457 206:2753 207:2794 208:4045 209:3571 210:2754
211:1464 212:1956 213:1879 214:871 215:103 216:5041
217:1525 218:540 219:333 220:1229 221:555 222:324
223:326

End of report


cscora at apnic

Mar 16, 2012, 11:57 AM

Post #65 of 93 (2182 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 17 Mar, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 401129
Prefixes after maximum aggregation: 170803
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 194695
Total ASes present in the Internet Routing Table: 40373
Prefixes per ASN: 9.94
Origin-only ASes present in the Internet Routing Table: 32891
Origin ASes announcing only one prefix: 15486
Transit ASes present in the Internet Routing Table: 5406
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 407
Unregistered ASNs in the Routing Table: 187
Number of 32-bit ASNs allocated by the RIRs: 2322
Number of 32-bit ASNs visible in the Routing Table: 2076
Prefixes from 32-bit ASNs in the Routing Table: 5015
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 687
Number of addresses announced to Internet: 2526912912
Equivalent to 150 /8s, 157 /16s and 161 /24s
Percentage of available address space announced: 68.2
Percentage of allocated address space announced: 68.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 170384

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 98366
Total APNIC prefixes after maximum aggregation: 31927
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 94757
Unique aggregates announced from the APNIC address blocks: 39280
APNIC Region origin ASes present in the Internet Routing Table: 4667
APNIC Prefixes per ASN: 20.30
APNIC Region origin ASes announcing only one prefix: 1233
APNIC Region transit ASes present in the Internet Routing Table: 728
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 165
Number of APNIC addresses announced to Internet: 640873312
Equivalent to 38 /8s, 50 /16s and 243 /24s
Percentage of available APNIC address space announced: 81.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 148801
Total ARIN prefixes after maximum aggregation: 75607
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120341
Unique aggregates announced from the ARIN address blocks: 49824
ARIN Region origin ASes present in the Internet Routing Table: 14938
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5674
ARIN Region transit ASes present in the Internet Routing Table: 1573
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 806524160
Equivalent to 48 /8s, 18 /16s and 149 /24s
Percentage of available ARIN address space announced: 64.1

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 100879
Total RIPE prefixes after maximum aggregation: 52925
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 92343
Unique aggregates announced from the RIPE address blocks: 57046
RIPE Region origin ASes present in the Internet Routing Table: 16347
RIPE Prefixes per ASN: 5.65
RIPE Region origin ASes announcing only one prefix: 7976
RIPE Region transit ASes present in the Internet Routing Table: 2618
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1415
Number of RIPE addresses announced to Internet: 502120968
Equivalent to 29 /8s, 237 /16s and 194 /24s
Percentage of available RIPE address space announced: 80.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 39029
Total LACNIC prefixes after maximum aggregation: 8078
LACNIC Deaggregation factor: 4.83
Prefixes being announced from the LACNIC address blocks: 38752
Unique aggregates announced from the LACNIC address blocks: 19591
LACNIC Region origin ASes present in the Internet Routing Table: 1572
LACNIC Prefixes per ASN: 24.65
LACNIC Region origin ASes announcing only one prefix: 438
LACNIC Region transit ASes present in the Internet Routing Table: 289
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 476
Number of LACNIC addresses announced to Internet: 98357384
Equivalent to 5 /8s, 220 /16s and 208 /24s
Percentage of available LACNIC address space announced: 65.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8782
Total AfriNIC prefixes after maximum aggregation: 2113
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6876
Unique aggregates announced from the AfriNIC address blocks: 2175
AfriNIC Region origin ASes present in the Internet Routing Table: 522
AfriNIC Prefixes per ASN: 13.17
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 116
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31557120
Equivalent to 1 /8s, 225 /16s and 134 /24s
Percentage of available AfriNIC address space announced: 47.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2492 11110 994 Korea Telecom (KIX)
17974 1744 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1652 303 87 TPG Internet Pty Ltd
4755 1569 386 160 TATA Communications formerly
9583 1202 91 509 Sify Limited
9829 1189 1001 30 BSNL National Internet Backbo
7552 1162 1062 11 Vietel Corporation
4808 1095 2048 312 CNCGROUP IP network: China169
24560 1012 384 166 Bharti Airtel Ltd., Telemedia
18101 948 130 160 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7029 3395 1006 158 Windstream Communications Inc
6389 3384 3807 198 bellsouth.net, inc.
18566 2091 382 177 Covad Communications
1785 1882 680 127 PaeTec Communications, Inc.
20115 1631 1558 628 Charter Communications
4323 1603 1060 382 Time Warner Telecom
22773 1547 2910 111 Cox Communications, Inc.
30036 1396 252 747 Mediacom Communications Corp
7018 1275 9776 835 AT&T WorldNet Services
11492 1164 212 415 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1779 544 16 Corbina telecom
2118 1427 97 13 EUnet/RELCOM Autonomous Syste
15557 1089 2247 55 LDCOM NETWORKS
34984 664 188 172 BILISIM TELEKOM
6830 641 1943 412 UPC Distribution Services
12479 638 653 67 Uni2 Autonomous System
20940 628 201 487 Akamai Technologies European
8551 575 360 81 Bezeq International
31148 539 37 9 FreeNet ISP
3320 533 8442 399 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1789 328 143 TVCABLE BOGOTA
28573 1721 1094 58 NET Servicos de Comunicao S.A
8151 1484 3015 348 UniNet S.A. de C.V.
7303 1330 823 185 Telecom Argentina Stet-France
26615 900 676 30 Tim Brasil S.A.
27947 680 68 108 Telconet S.A
11172 635 91 73 Servicios Alestra S.A de C.V
22047 584 326 15 VTR PUNTO NET S.A.
3816 559 240 89 Empresa Nacional de Telecomun
6503 559 418 65 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1258 958 13 TEDATA
24863 842 274 37 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 271 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 Vodacom Internet Company
24835 182 80 8 RAYA Telecom - Egypt
33776 158 12 25 Starcomms Nigeria Limited
36923 157 20 4 Swift Networks Limited
29571 153 15 16 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
7029 3395 1006 158 Windstream Communications Inc
6389 3384 3807 198 bellsouth.net, inc.
4766 2492 11110 994 Korea Telecom (KIX)
18566 2091 382 177 Covad Communications
1785 1882 680 127 PaeTec Communications, Inc.
10620 1789 328 143 TVCABLE BOGOTA
8402 1779 544 16 Corbina telecom
17974 1744 503 36 PT TELEKOMUNIKASI INDONESIA
28573 1721 1094 58 NET Servicos de Comunicao S.A
7545 1652 303 87 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
6389 3384 3186 bellsouth.net, inc.
18566 2091 1914 Covad Communications
8402 1779 1763 Corbina telecom
1785 1882 1755 PaeTec Communications, Inc.
17974 1744 1708 PT TELEKOMUNIKASI INDONESIA
28573 1721 1663 NET Servicos de Comunicao S.A
10620 1789 1646 TVCABLE BOGOTA
7545 1652 1565 TPG Internet Pty Ltd
4766 2492 1498 Korea Telecom (KIX)
22773 1547 1436 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/20 54500 EGIHosting
23.27.16.0/20 54500 EGIHosting
23.27.32.0/20 54500 EGIHosting

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:81 /12:235
/13:458 /14:821 /15:1475 /16:12185 /17:6236 /18:10418
/19:20518 /20:28618 /21:29535 /22:40003 /23:37293 /24:209464
/25:1218 /26:1453 /27:794 /28:169 /29:60 /30:17
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3051 3395 Windstream Communications Inc
6389 2092 3384 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1756 1779 Corbina telecom
10620 1686 1789 TVCABLE BOGOTA
30036 1345 1396 Mediacom Communications Corp
11492 1127 1164 Cable One
8452 1068 1258 TEDATA
1785 1065 1882 PaeTec Communications, Inc.
7011 1038 1152 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:531 2:798 4:14 6:3 8:394 12:1972
13:1 14:599 15:11 16:3 17:7 20:8
23:144 24:1753 27:1239 31:956 32:62 33:2
34:2 36:8 37:259 38:777 40:122 41:3013
42:128 44:3 46:1421 47:3 49:342 50:515
52:13 54:5 55:10 56:3 57:38 58:953
59:495 60:278 61:1191 62:978 63:2014 64:4163
65:2285 66:4487 67:2000 68:1159 69:3170 70:900
71:389 72:1779 74:2583 75:490 76:319 77:968
78:979 79:497 80:1218 81:891 82:633 83:547
84:596 85:1186 86:726 87:910 88:335 89:1565
90:288 91:4598 92:517 93:1454 94:1393 95:1125
96:375 97:316 98:818 99:38 100:6 101:203
103:901 106:64 107:173 108:204 109:1531 110:746
111:881 112:441 113:562 114:617 115:776 116:868
117:723 118:906 119:1203 120:336 121:690 122:1626
123:1088 124:1364 125:1274 128:547 129:190 130:263
131:595 132:170 133:21 134:239 135:63 136:212
137:185 138:275 139:145 140:493 141:241 142:389
143:418 144:500 145:69 146:490 147:240 148:724
149:300 150:158 151:176 152:455 153:171 154:7
155:430 156:213 157:379 158:163 159:521 160:327
161:246 162:341 163:185 164:533 165:393 166:563
167:462 168:803 169:148 170:842 171:121 172:4
173:1715 174:596 175:434 176:416 177:553 178:1286
180:1132 181:73 182:793 183:284 184:445 185:1
186:2114 187:843 188:1060 189:1208 190:5534 192:5989
193:5588 194:4562 195:3639 196:1280 197:170 198:3616
199:4453 200:5750 201:1646 202:8431 203:8592 204:4347
205:2458 206:2720 207:2797 208:4073 209:3586 210:2764
211:1463 212:1966 213:1877 214:861 215:105 216:5053
217:1522 218:540 219:339 220:1231 221:552 222:324
223:325

End of report


cscora at apnic

Mar 23, 2012, 11:58 AM

Post #66 of 93 (2184 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 24 Mar, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 404075
Prefixes after maximum aggregation: 171377
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 195407
Total ASes present in the Internet Routing Table: 40484
Prefixes per ASN: 9.98
Origin-only ASes present in the Internet Routing Table: 32928
Origin ASes announcing only one prefix: 15486
Transit ASes present in the Internet Routing Table: 5438
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 32
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 454
Unregistered ASNs in the Routing Table: 221
Number of 32-bit ASNs allocated by the RIRs: 2330
Number of 32-bit ASNs visible in the Routing Table: 2118
Prefixes from 32-bit ASNs in the Routing Table: 5181
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 893
Number of addresses announced to Internet: 2527640720
Equivalent to 150 /8s, 168 /16s and 188 /24s
Percentage of available address space announced: 68.2
Percentage of allocated address space announced: 68.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 172567

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 98560
Total APNIC prefixes after maximum aggregation: 32033
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 94960
Unique aggregates announced from the APNIC address blocks: 39434
APNIC Region origin ASes present in the Internet Routing Table: 4677
APNIC Prefixes per ASN: 20.30
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 731
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 167
Number of APNIC addresses announced to Internet: 641283424
Equivalent to 38 /8s, 57 /16s and 53 /24s
Percentage of available APNIC address space announced: 81.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 150469
Total ARIN prefixes after maximum aggregation: 75801
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 121859
Unique aggregates announced from the ARIN address blocks: 49895
ARIN Region origin ASes present in the Internet Routing Table: 14936
ARIN Prefixes per ASN: 8.16
ARIN Region origin ASes announcing only one prefix: 5675
ARIN Region transit ASes present in the Internet Routing Table: 1576
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 16
Number of ARIN addresses announced to Internet: 805163776
Equivalent to 47 /8s, 253 /16s and 211 /24s
Percentage of available ARIN address space announced: 64.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 101472
Total RIPE prefixes after maximum aggregation: 53082
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 92826
Unique aggregates announced from the RIPE address blocks: 57160
RIPE Region origin ASes present in the Internet Routing Table: 16364
RIPE Prefixes per ASN: 5.67
RIPE Region origin ASes announcing only one prefix: 7977
RIPE Region transit ASes present in the Internet Routing Table: 2638
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1437
Number of RIPE addresses announced to Internet: 502099720
Equivalent to 29 /8s, 237 /16s and 111 /24s
Percentage of available RIPE address space announced: 80.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 39258
Total LACNIC prefixes after maximum aggregation: 8148
LACNIC Deaggregation factor: 4.82
Prefixes being announced from the LACNIC address blocks: 39012
Unique aggregates announced from the LACNIC address blocks: 19722
LACNIC Region origin ASes present in the Internet Routing Table: 1576
LACNIC Prefixes per ASN: 24.75
LACNIC Region origin ASes announcing only one prefix: 436
LACNIC Region transit ASes present in the Internet Routing Table: 295
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 494
Number of LACNIC addresses announced to Internet: 98599560
Equivalent to 5 /8s, 224 /16s and 130 /24s
Percentage of available LACNIC address space announced: 65.3

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8829
Total AfriNIC prefixes after maximum aggregation: 2122
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6909
Unique aggregates announced from the AfriNIC address blocks: 2226
AfriNIC Region origin ASes present in the Internet Routing Table: 525
AfriNIC Prefixes per ASN: 13.16
AfriNIC Region origin ASes announcing only one prefix: 163
AfriNIC Region transit ASes present in the Internet Routing Table: 119
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 31512064
Equivalent to 1 /8s, 224 /16s and 214 /24s
Percentage of available AfriNIC address space announced: 47.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2491 11109 992 Korea Telecom (KIX)
17974 1758 503 64 PT TELEKOMUNIKASI INDONESIA
7545 1659 303 90 TPG Internet Pty Ltd
4755 1574 386 160 TATA Communications formerly
9583 1238 95 540 Sify Limited
9829 1207 1025 29 BSNL National Internet Backbo
7552 1167 1062 11 Vietel Corporation
4808 1097 2048 314 CNCGROUP IP network: China169
24560 1014 384 166 Bharti Airtel Ltd., Telemedia
18101 948 130 160 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
7029 3378 990 155 Windstream Communications Inc
6389 3372 3807 198 bellsouth.net, inc.
4323 2977 1060 385 Time Warner Telecom
18566 2093 383 179 Covad Communications
1785 1885 680 128 PaeTec Communications, Inc.
20115 1633 1558 628 Charter Communications
22773 1547 2910 111 Cox Communications, Inc.
30036 1402 253 744 Mediacom Communications Corp
7018 1279 9776 833 AT&T WorldNet Services
11492 1165 212 413 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1773 544 16 Corbina telecom
2118 1427 97 13 EUnet/RELCOM Autonomous Syste
15557 1034 2247 55 LDCOM NETWORKS
31148 672 37 9 FreeNet ISP
34984 666 188 174 BILISIM TELEKOM
12479 644 653 56 Uni2 Autonomous System
6830 641 1943 412 UPC Distribution Services
20940 632 203 488 Akamai Technologies European
8551 576 360 81 Bezeq International
3320 532 8442 398 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1807 329 130 TVCABLE BOGOTA
28573 1729 1099 60 NET Servicos de Comunicao S.A
8151 1495 3017 354 UniNet S.A. de C.V.
7303 1351 826 190 Telecom Argentina Stet-France
26615 901 684 29 Tim Brasil S.A.
27947 687 69 111 Telconet S.A
11172 636 91 73 Servicios Alestra S.A de C.V
22047 584 326 15 VTR PUNTO NET S.A.
3816 561 238 98 Empresa Nacional de Telecomun
6503 559 418 65 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1260 958 13 TEDATA
24863 844 274 37 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 271 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 Vodacom Internet Company
24835 178 80 8 RAYA Telecom - Egypt
33776 158 12 20 Starcomms Nigeria Limited
36923 157 20 4 Swift Networks Limited
16637 156 647 81 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
7029 3378 990 155 Windstream Communications Inc
6389 3372 3807 198 bellsouth.net, inc.
4323 2977 1060 385 Time Warner Telecom
4766 2491 11109 992 Korea Telecom (KIX)
18566 2093 383 179 Covad Communications
1785 1885 680 128 PaeTec Communications, Inc.
10620 1807 329 130 TVCABLE BOGOTA
8402 1773 544 16 Corbina telecom
17974 1758 503 64 PT TELEKOMUNIKASI INDONESIA
28573 1729 1099 60 NET Servicos de Comunicao S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
6389 3372 3174 bellsouth.net, inc.
4323 2977 2592 Time Warner Telecom
18566 2093 1914 Covad Communications
1785 1885 1757 PaeTec Communications, Inc.
8402 1773 1757 Corbina telecom
17974 1758 1694 PT TELEKOMUNIKASI INDONESIA
10620 1807 1677 TVCABLE BOGOTA
28573 1729 1669 NET Servicos de Comunicao S.A
7545 1659 1569 TPG Internet Pty Ltd
4766 2491 1499 Korea Telecom (KIX)

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
54439 UNALLOCATED 8.25.174.0/24 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/20 54500 EGIHosting
23.27.16.0/20 54500 EGIHosting

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:81 /12:234
/13:458 /14:824 /15:1477 /16:12183 /17:6238 /18:10432
/19:20530 /20:28718 /21:29647 /22:40184 /23:37536 /24:211741
/25:1218 /26:1456 /27:797 /28:167 /29:59 /30:17
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3038 3378 Windstream Communications Inc
6389 2088 3372 bellsouth.net, inc.
18566 2042 2093 Covad Communications
4323 1808 2977 Time Warner Telecom
8402 1750 1773 Corbina telecom
10620 1704 1807 TVCABLE BOGOTA
30036 1350 1402 Mediacom Communications Corp
11492 1128 1165 Cable One
8452 1070 1260 TEDATA
1785 1066 1885 PaeTec Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:532 2:752 4:14 6:3 8:392 12:1973
13:1 14:600 15:12 16:3 17:7 20:8
23:147 24:1754 27:1244 31:936 32:62 33:2
34:2 36:8 37:295 38:781 40:120 41:3007
42:128 44:3 46:1453 47:3 49:342 50:625
52:13 54:6 55:11 56:3 57:37 58:960
59:493 60:278 61:1205 62:980 63:1992 64:4344
65:2276 66:4826 67:2007 68:1147 69:3185 70:903
71:437 72:1804 74:2705 75:491 76:320 77:965
78:982 79:502 80:1235 81:908 82:656 83:553
84:615 85:1191 86:723 87:915 88:343 89:1612
90:296 91:4632 92:519 93:1490 94:1454 95:1159
96:375 97:386 98:826 99:38 100:6 101:154
103:920 106:64 107:178 108:210 109:1551 110:754
111:900 112:444 113:558 114:630 115:767 116:908
117:730 118:908 119:1205 120:338 121:695 122:1661
123:1095 124:1363 125:1260 128:554 129:190 130:264
131:595 132:173 133:21 134:242 135:63 136:212
137:194 138:275 139:145 140:494 141:241 142:388
143:404 144:500 145:69 146:489 147:243 148:723
149:295 150:157 151:176 152:459 153:171 154:7
155:429 156:213 157:380 158:163 159:521 160:326
161:249 162:343 163:186 164:546 165:392 166:562
167:463 168:859 169:148 170:844 171:123 172:2
173:1836 174:734 175:434 176:461 177:591 178:1289
180:1125 181:73 182:769 183:277 184:441 185:1
186:2137 187:868 188:1147 189:1189 190:5547 192:5993
193:5595 194:4566 195:3640 196:1282 197:183 198:3620
199:4475 200:5767 201:1656 202:8463 203:8596 204:4353
205:2465 206:2804 207:2832 208:4050 209:3687 210:2757
211:1467 212:1965 213:1906 214:872 215:108 216:5091
217:1526 218:538 219:333 220:1230 221:552 222:325
223:326

End of report


cscora at apnic

Mar 30, 2012, 11:59 AM

Post #67 of 93 (2164 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 31 Mar, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 403929
Prefixes after maximum aggregation: 171635
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 195814
Total ASes present in the Internet Routing Table: 40542
Prefixes per ASN: 9.96
Origin-only ASes present in the Internet Routing Table: 32969
Origin ASes announcing only one prefix: 15468
Transit ASes present in the Internet Routing Table: 5416
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 32
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 555
Unregistered ASNs in the Routing Table: 265
Number of 32-bit ASNs allocated by the RIRs: 2342
Number of 32-bit ASNs visible in the Routing Table: 2157
Prefixes from 32-bit ASNs in the Routing Table: 5295
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 1252
Number of addresses announced to Internet: 2531398224
Equivalent to 150 /8s, 226 /16s and 18 /24s
Percentage of available address space announced: 68.3
Percentage of allocated address space announced: 68.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 171545

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 98994
Total APNIC prefixes after maximum aggregation: 32099
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 95394
Unique aggregates announced from the APNIC address blocks: 39244
APNIC Region origin ASes present in the Internet Routing Table: 4680
APNIC Prefixes per ASN: 20.38
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 730
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 171
Number of APNIC addresses announced to Internet: 642314080
Equivalent to 38 /8s, 72 /16s and 239 /24s
Percentage of available APNIC address space announced: 81.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 149258
Total ARIN prefixes after maximum aggregation: 75828
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120636
Unique aggregates announced from the ARIN address blocks: 49969
ARIN Region origin ASes present in the Internet Routing Table: 14935
ARIN Prefixes per ASN: 8.08
ARIN Region origin ASes announcing only one prefix: 5686
ARIN Region transit ASes present in the Internet Routing Table: 1569
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 16
Number of ARIN addresses announced to Internet: 805141184
Equivalent to 47 /8s, 253 /16s and 122 /24s
Percentage of available ARIN address space announced: 64.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 100814
Total RIPE prefixes after maximum aggregation: 53186
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 92127
Unique aggregates announced from the RIPE address blocks: 57226
RIPE Region origin ASes present in the Internet Routing Table: 16345
RIPE Prefixes per ASN: 5.64
RIPE Region origin ASes announcing only one prefix: 7946
RIPE Region transit ASes present in the Internet Routing Table: 2622
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1462
Number of RIPE addresses announced to Internet: 502238984
Equivalent to 29 /8s, 239 /16s and 143 /24s
Percentage of available RIPE address space announced: 80.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 40250
Total LACNIC prefixes after maximum aggregation: 8151
LACNIC Deaggregation factor: 4.94
Prefixes being announced from the LACNIC address blocks: 39809
Unique aggregates announced from the LACNIC address blocks: 19696
LACNIC Region origin ASes present in the Internet Routing Table: 1574
LACNIC Prefixes per ASN: 25.29
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 295
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 503
Number of LACNIC addresses announced to Internet: 98765960
Equivalent to 5 /8s, 227 /16s and 12 /24s
Percentage of available LACNIC address space announced: 65.4

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8916
Total AfriNIC prefixes after maximum aggregation: 2121
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 6971
Unique aggregates announced from the AfriNIC address blocks: 2163
AfriNIC Region origin ASes present in the Internet Routing Table: 526
AfriNIC Prefixes per ASN: 13.25
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 115
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31533568
Equivalent to 1 /8s, 225 /16s and 42 /24s
Percentage of available AfriNIC address space announced: 47.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2479 11109 992 Korea Telecom (KIX)
17974 1787 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1659 301 89 TPG Internet Pty Ltd
4755 1573 386 158 TATA Communications formerly
9583 1238 95 540 Sify Limited
9829 1209 1025 29 BSNL National Internet Backbo
7552 1173 1062 11 Vietel Corporation
4808 1102 2050 316 CNCGROUP IP network: China169
24560 1021 385 167 Bharti Airtel Ltd., Telemedia
18101 949 131 160 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3379 3807 196 bellsouth.net, inc.
7029 3379 990 155 Windstream Communications Inc
18566 2092 383 179 Covad Communications
1785 1889 680 129 PaeTec Communications, Inc.
20115 1633 1559 624 Charter Communications
4323 1602 1060 382 Time Warner Telecom
22773 1552 2910 111 Cox Communications, Inc.
30036 1415 256 745 Mediacom Communications Corp
7018 1282 9791 831 AT&T WorldNet Services
11492 1184 216 364 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1792 544 16 Corbina telecom
2118 1427 97 13 EUnet/RELCOM Autonomous Syste
31148 677 37 9 FreeNet ISP
34984 673 188 174 BILISIM TELEKOM
12479 656 658 57 Uni2 Autonomous System
20940 646 206 498 Akamai Technologies European
6830 641 1943 412 UPC Distribution Services
8551 571 360 81 Bezeq International
3320 532 8442 398 Deutsche Telekom AG
2578 500 33 7 Demos, Moscow, Russia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1817 330 131 TVCABLE BOGOTA
28573 1745 1105 60 NET Servicos de Comunicao S.A
8151 1491 3018 350 UniNet S.A. de C.V.
7303 1352 827 188 Telecom Argentina Stet-France
6503 1348 418 65 AVANTEL, S.A.
26615 903 700 28 Tim Brasil S.A.
27947 688 74 100 Telconet S.A
11172 636 91 73 Servicios Alestra S.A de C.V
22047 584 326 15 VTR PUNTO NET S.A.
3816 566 242 105 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1294 958 13 TEDATA
24863 848 274 35 LINKdotNET AS number
6713 491 649 18 Itissalat Al-MAGHRIB
3741 272 924 229 The Internet Solution
33776 208 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 178 80 8 RAYA Telecom - Egypt
15706 168 32 6 Sudatel Internet Exchange Aut
16637 164 664 82 MTN Network Solutions
29571 159 15 16 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3379 3807 196 bellsouth.net, inc.
7029 3379 990 155 Windstream Communications Inc
4766 2479 11109 992 Korea Telecom (KIX)
18566 2092 383 179 Covad Communications
1785 1889 680 129 PaeTec Communications, Inc.
10620 1817 330 131 TVCABLE BOGOTA
8402 1792 544 16 Corbina telecom
17974 1787 503 63 PT TELEKOMUNIKASI INDONESIA
28573 1745 1105 60 NET Servicos de Comunicao S.A
7545 1659 301 89 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3379 3224 Windstream Communications Inc
18566 2092 1913 Covad Communications
8402 1792 1776 Corbina telecom
1785 1889 1760 PaeTec Communications, Inc.
17974 1787 1724 PT TELEKOMUNIKASI INDONESIA
10620 1817 1686 TVCABLE BOGOTA
28573 1745 1685 NET Servicos de Comunicao S.A
7545 1659 1570 TPG Internet Pty Ltd
4766 2479 1487 Korea Telecom (KIX)
22773 1552 1441 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
54439 UNALLOCATED 8.25.174.0/24 17378 DBS International
54470 UNALLOCATED 8.30.171.0/24 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/20 54500 EGIHosting
23.27.16.0/20 54500 EGIHosting

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:81 /12:235
/13:457 /14:833 /15:1482 /16:12185 /17:6278 /18:10478
/19:20577 /20:28760 /21:29730 /22:40327 /23:37561 /24:211199
/25:1192 /26:1432 /27:797 /28:170 /29:60 /30:17
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3039 3379 Windstream Communications Inc
6389 2095 3379 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1769 1792 Corbina telecom
10620 1707 1817 TVCABLE BOGOTA
30036 1359 1415 Mediacom Communications Corp
11492 1147 1184 Cable One
6503 1118 1348 AVANTEL, S.A.
8452 1102 1294 TEDATA
1785 1067 1889 PaeTec Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:531 2:755 4:14 6:3 8:394 12:1987
13:1 14:605 15:12 16:3 17:7 20:8
23:160 24:1754 27:1257 31:936 32:58 33:2
34:2 36:8 37:313 38:790 40:120 41:3086
42:129 44:3 46:1454 47:3 49:343 50:535
52:13 54:6 55:11 56:3 57:32 58:966
59:495 60:278 61:1202 62:972 63:1996 64:4198
65:2274 66:4497 67:2022 68:1146 69:3184 70:910
71:465 72:1817 74:2591 75:493 76:317 77:959
78:1007 79:498 80:1210 81:897 82:666 83:548
84:513 85:1205 86:408 87:900 88:342 89:1623
90:297 91:4657 92:516 93:1376 94:1461 95:1160
96:377 97:316 98:844 99:37 100:6 101:168
103:929 106:66 107:180 108:218 109:1275 110:759
111:901 112:445 113:593 114:652 115:780 116:908
117:724 118:907 119:1207 120:350 121:696 122:1665
123:1099 124:1363 125:1263 128:561 129:189 130:256
131:595 132:173 133:21 134:242 135:62 136:212
137:176 138:351 139:145 140:494 141:244 142:385
143:399 144:513 145:66 146:485 147:243 148:748
149:298 150:157 151:176 152:460 153:171 154:7
155:430 156:215 157:379 158:176 159:525 160:343
161:248 162:343 163:190 164:555 165:391 166:562
167:464 168:819 169:127 170:844 171:124 172:4
173:1721 174:582 175:436 176:437 177:619 178:1310
180:1199 181:73 182:777 183:279 184:445 185:1
186:2136 187:1006 188:1158 189:1688 190:5498 192:5996
193:5608 194:4622 195:3589 196:1292 197:123 198:3617
199:4487 200:5805 201:1901 202:8463 203:8589 204:4342
205:2476 206:2752 207:2781 208:4053 209:3599 210:2764
211:1471 212:2008 213:1908 214:876 215:109 216:5079
217:1524 218:537 219:324 220:1228 221:557 222:325
223:329

End of report


cscora at apnic

Apr 6, 2012, 11:47 AM

Post #68 of 93 (2145 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 07 Apr, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 404580
Prefixes after maximum aggregation: 171963
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 196184
Total ASes present in the Internet Routing Table: 40624
Prefixes per ASN: 9.96
Origin-only ASes present in the Internet Routing Table: 32993
Origin ASes announcing only one prefix: 15464
Transit ASes present in the Internet Routing Table: 5440
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 32
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 670
Unregistered ASNs in the Routing Table: 296
Number of 32-bit ASNs allocated by the RIRs: 2347
Number of 32-bit ASNs visible in the Routing Table: 2191
Prefixes from 32-bit ASNs in the Routing Table: 5373
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 1411
Number of addresses announced to Internet: 2533675600
Equivalent to 151 /8s, 4 /16s and 210 /24s
Percentage of available address space announced: 68.4
Percentage of allocated address space announced: 68.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 171899

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 99031
Total APNIC prefixes after maximum aggregation: 32155
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 95427
Unique aggregates announced from the APNIC address blocks: 39280
APNIC Region origin ASes present in the Internet Routing Table: 4678
APNIC Prefixes per ASN: 20.40
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 730
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 172
Number of APNIC addresses announced to Internet: 642926944
Equivalent to 38 /8s, 82 /16s and 73 /24s
Percentage of available APNIC address space announced: 81.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 149419
Total ARIN prefixes after maximum aggregation: 75874
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120748
Unique aggregates announced from the ARIN address blocks: 50004
ARIN Region origin ASes present in the Internet Routing Table: 14948
ARIN Prefixes per ASN: 8.08
ARIN Region origin ASes announcing only one prefix: 5685
ARIN Region transit ASes present in the Internet Routing Table: 1571
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 805818560
Equivalent to 48 /8s, 7 /16s and 208 /24s
Percentage of available ARIN address space announced: 64.0

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 100976
Total RIPE prefixes after maximum aggregation: 53317
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 92174
Unique aggregates announced from the RIPE address blocks: 57205
RIPE Region origin ASes present in the Internet Routing Table: 16359
RIPE Prefixes per ASN: 5.63
RIPE Region origin ASes announcing only one prefix: 7947
RIPE Region transit ASes present in the Internet Routing Table: 2636
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1480
Number of RIPE addresses announced to Internet: 502244616
Equivalent to 29 /8s, 239 /16s and 165 /24s
Percentage of available RIPE address space announced: 80.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 40366
Total LACNIC prefixes after maximum aggregation: 8212
LACNIC Deaggregation factor: 4.92
Prefixes being announced from the LACNIC address blocks: 39937
Unique aggregates announced from the LACNIC address blocks: 19771
LACNIC Region origin ASes present in the Internet Routing Table: 1569
LACNIC Prefixes per ASN: 25.45
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 295
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 517
Number of LACNIC addresses announced to Internet: 98728072
Equivalent to 5 /8s, 226 /16s and 120 /24s
Percentage of available LACNIC address space announced: 65.4

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8950
Total AfriNIC prefixes after maximum aggregation: 2118
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 7001
Unique aggregates announced from the AfriNIC address blocks: 2160
AfriNIC Region origin ASes present in the Internet Routing Table: 526
AfriNIC Prefixes per ASN: 13.31
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31531520
Equivalent to 1 /8s, 225 /16s and 34 /24s
Percentage of available AfriNIC address space announced: 47.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2476 11110 997 Korea Telecom (KIX)
17974 1782 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1658 301 85 TPG Internet Pty Ltd
4755 1575 386 157 TATA Communications formerly
9583 1237 94 541 Sify Limited
9829 1235 1041 30 BSNL National Internet Backbo
7552 1167 1062 11 Vietel Corporation
4808 1105 2050 316 CNCGROUP IP network: China169
24560 1021 385 167 Bharti Airtel Ltd., Telemedia
18101 947 131 159 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3432 3807 196 bellsouth.net, inc.
7029 3381 990 156 Windstream Communications Inc
18566 2092 383 179 Covad Communications
1785 1893 680 129 PaeTec Communications, Inc.
20115 1637 1561 617 Charter Communications
4323 1598 1044 380 Time Warner Telecom
22773 1568 2910 111 Cox Communications, Inc.
30036 1461 265 742 Mediacom Communications Corp
7018 1279 9774 828 AT&T WorldNet Services
11492 1185 216 365 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1773 544 16 Corbina telecom
2118 1394 97 14 EUnet/RELCOM Autonomous Syste
31148 679 37 9 FreeNet ISP
34984 676 188 173 BILISIM TELEKOM
12479 656 658 57 Uni2 Autonomous System
20940 651 206 500 Akamai Technologies European
6830 639 1943 410 UPC Distribution Services
8551 574 360 81 Bezeq International
3320 532 8442 398 Deutsche Telekom AG
2578 501 33 7 Demos, Moscow, Russia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1794 326 167 TVCABLE BOGOTA
28573 1773 1105 61 NET Servicos de Comunicao S.A
6503 1531 418 64 AVANTEL, S.A.
8151 1481 2998 354 UniNet S.A. de C.V.
7303 1353 827 189 Telecom Argentina Stet-France
26615 847 697 32 Tim Brasil S.A.
27947 687 74 102 Telconet S.A
11172 637 107 74 Servicios Alestra S.A de C.V
22047 584 326 15 VTR PUNTO NET S.A.
3816 570 242 100 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1305 958 13 TEDATA
24863 848 274 35 LINKdotNET AS number
6713 493 649 18 Itissalat Al-MAGHRIB
3741 266 921 224 The Internet Solution
33776 208 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 178 80 8 RAYA Telecom - Egypt
15706 168 32 6 Sudatel Internet Exchange Aut
16637 165 666 83 MTN Network Solutions
29571 161 15 16 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3432 3807 196 bellsouth.net, inc.
7029 3381 990 156 Windstream Communications Inc
4766 2476 11110 997 Korea Telecom (KIX)
18566 2092 383 179 Covad Communications
1785 1893 680 129 PaeTec Communications, Inc.
10620 1794 326 167 TVCABLE BOGOTA
17974 1782 503 63 PT TELEKOMUNIKASI INDONESIA
8402 1773 544 16 Corbina telecom
28573 1773 1105 61 NET Servicos de Comunicao S.A
7545 1658 301 85 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3381 3225 Windstream Communications Inc
18566 2092 1913 Covad Communications
1785 1893 1764 PaeTec Communications, Inc.
8402 1773 1757 Corbina telecom
17974 1782 1719 PT TELEKOMUNIKASI INDONESIA
28573 1773 1712 NET Servicos de Comunicao S.A
10620 1794 1627 TVCABLE BOGOTA
7545 1658 1573 TPG Internet Pty Ltd
4766 2476 1479 Korea Telecom (KIX)
6503 1531 1467 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
54439 UNALLOCATED 8.25.174.0/24 17378 DBS International
54470 UNALLOCATED 8.30.171.0/24 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/20 54500 EGIHosting
23.27.16.0/20 54500 EGIHosting

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:81 /12:235
/13:459 /14:832 /15:1485 /16:12182 /17:6284 /18:10499
/19:20616 /20:28820 /21:29800 /22:40437 /23:37608 /24:211529
/25:1182 /26:1430 /27:784 /28:163 /29:59 /30:17
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3040 3381 Windstream Communications Inc
6389 2149 3432 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1750 1773 Corbina telecom
10620 1689 1794 TVCABLE BOGOTA
30036 1401 1461 Mediacom Communications Corp
6503 1290 1531 AVANTEL, S.A.
11492 1148 1185 Cable One
8452 1114 1305 TEDATA
1785 1067 1893 PaeTec Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:532 2:754 4:14 6:3 8:396 12:1999
13:1 14:599 15:12 16:3 17:7 20:8
23:161 24:1768 27:1267 31:966 32:58 33:2
34:2 36:8 37:319 38:786 40:120 41:3114
42:129 44:3 46:1467 47:3 49:350 50:536
52:13 54:7 55:9 56:3 57:31 58:958
59:494 60:280 61:1203 62:973 63:1997 64:4167
65:2260 66:4500 67:2017 68:1152 69:3172 70:908
71:467 72:1833 74:2599 75:494 76:313 77:968
78:1006 79:498 80:1210 81:899 82:662 83:548
84:489 85:1195 86:404 87:908 88:351 89:1635
90:297 91:4683 92:520 93:1375 94:1476 95:1137
96:378 97:318 98:880 99:37 100:6 101:167
103:956 106:74 107:181 108:229 109:1272 110:757
111:900 112:448 113:590 114:621 115:796 116:911
117:721 118:903 119:1209 120:341 121:695 122:1667
123:1104 124:1368 125:1249 128:558 129:190 130:257
131:596 132:173 133:21 134:244 135:62 136:207
137:176 138:354 139:145 140:494 141:243 142:386
143:399 144:512 145:64 146:481 147:272 148:765
149:299 150:159 151:176 152:462 153:172 154:7
155:428 156:216 157:379 158:175 159:522 160:342
161:256 162:347 163:189 164:572 165:388 166:562
167:464 168:820 169:127 170:844 171:126 172:4
173:1735 174:576 175:429 176:459 177:640 178:1317
180:1181 181:73 182:787 183:284 184:451 185:1
186:2118 187:1029 188:1184 189:1792 190:5459 192:5990
193:5599 194:4615 195:3600 196:1291 197:129 198:3630
199:4481 200:5785 201:1902 202:8477 203:8590 204:4339
205:2484 206:2746 207:2783 208:4062 209:3581 210:2749
211:1476 212:1993 213:1907 214:886 215:109 216:5078
217:1521 218:542 219:323 220:1228 221:554 222:322
223:331

End of report


cscora at apnic

Apr 13, 2012, 11:43 AM

Post #69 of 93 (2145 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 14 Apr, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 405834
Prefixes after maximum aggregation: 172344
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 196881
Total ASes present in the Internet Routing Table: 40680
Prefixes per ASN: 9.98
Origin-only ASes present in the Internet Routing Table: 33028
Origin ASes announcing only one prefix: 15596
Transit ASes present in the Internet Routing Table: 5439
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 69
Max AS path prepend of ASN ( 9902) 61
Prefixes from unregistered ASNs in the Routing Table: 386
Unregistered ASNs in the Routing Table: 124
Number of 32-bit ASNs allocated by the RIRs: 2561
Number of 32-bit ASNs visible in the Routing Table: 2213
Prefixes from 32-bit ASNs in the Routing Table: 5503
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 114
Number of addresses announced to Internet: 2536440016
Equivalent to 151 /8s, 47 /16s and 0 /24s
Percentage of available address space announced: 68.4
Percentage of allocated address space announced: 68.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.3
Total number of prefixes smaller than registry allocations: 173014

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 99593
Total APNIC prefixes after maximum aggregation: 32244
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 96034
Unique aggregates announced from the APNIC address blocks: 39546
APNIC Region origin ASes present in the Internet Routing Table: 4672
APNIC Prefixes per ASN: 20.56
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 181
Number of APNIC addresses announced to Internet: 643217632
Equivalent to 38 /8s, 86 /16s and 184 /24s
Percentage of available APNIC address space announced: 81.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 149618
Total ARIN prefixes after maximum aggregation: 76108
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120921
Unique aggregates announced from the ARIN address blocks: 50252
ARIN Region origin ASes present in the Internet Routing Table: 15025
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5723
ARIN Region transit ASes present in the Internet Routing Table: 1582
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 807007168
Equivalent to 48 /8s, 25 /16s and 243 /24s
Percentage of available ARIN address space announced: 64.1

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 101433
Total RIPE prefixes after maximum aggregation: 53576
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 93324
Unique aggregates announced from the RIPE address blocks: 58041
RIPE Region origin ASes present in the Internet Routing Table: 16482
RIPE Prefixes per ASN: 5.66
RIPE Region origin ASes announcing only one prefix: 8037
RIPE Region transit ASes present in the Internet Routing Table: 2629
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1489
Number of RIPE addresses announced to Internet: 509292424
Equivalent to 30 /8s, 91 /16s and 47 /24s
Percentage of available RIPE address space announced: 82.0

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 40582
Total LACNIC prefixes after maximum aggregation: 8239
LACNIC Deaggregation factor: 4.93
Prefixes being announced from the LACNIC address blocks: 40429
Unique aggregates announced from the LACNIC address blocks: 20124
LACNIC Region origin ASes present in the Internet Routing Table: 1583
LACNIC Prefixes per ASN: 25.54
LACNIC Region origin ASes announcing only one prefix: 435
LACNIC Region transit ASes present in the Internet Routing Table: 296
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 521
Number of LACNIC addresses announced to Internet: 99314568
Equivalent to 5 /8s, 235 /16s and 107 /24s
Percentage of available LACNIC address space announced: 65.8

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8935
Total AfriNIC prefixes after maximum aggregation: 2109
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 7015
Unique aggregates announced from the AfriNIC address blocks: 2152
AfriNIC Region origin ASes present in the Internet Routing Table: 527
AfriNIC Prefixes per ASN: 13.31
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 117
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31657216
Equivalent to 1 /8s, 227 /16s and 13 /24s
Percentage of available AfriNIC address space announced: 47.2

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2488 11113 1009 Korea Telecom (KIX)
17974 1799 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1663 301 86 TPG Internet Pty Ltd
4755 1590 388 166 TATA Communications formerly
9583 1245 95 542 Sify Limited
9829 1235 1041 30 BSNL National Internet Backbo
7552 1170 1062 11 Vietel Corporation
4808 1090 2050 316 CNCGROUP IP network: China169
24560 1023 385 167 Bharti Airtel Ltd., Telemedia
18101 947 131 160 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3428 3807 195 bellsouth.net, inc.
7029 3385 985 157 Windstream Communications Inc
18566 2091 382 179 Covad Communications
1785 1896 680 129 PaeTec Communications, Inc.
20115 1642 1565 619 Charter Communications
4323 1600 1044 380 Time Warner Telecom
22773 1576 2910 111 Cox Communications, Inc.
30036 1446 263 757 Mediacom Communications Corp
7018 1278 9774 828 AT&T WorldNet Services
11492 1185 216 365 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1759 544 16 Corbina telecom
2118 1304 97 14 EUnet/RELCOM Autonomous Syste
34984 681 188 175 BILISIM TELEKOM
31148 679 37 9 FreeNet ISP
12479 655 660 61 Uni2 Autonomous System
20940 641 204 494 Akamai Technologies European
6830 639 1943 410 UPC Distribution Services
8551 574 360 81 Bezeq International
3320 533 8442 399 Deutsche Telekom AG
2578 501 33 7 Demos, Moscow, Russia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1803 326 174 TVCABLE BOGOTA
28573 1777 1107 59 NET Servicos de Comunicao S.A
6503 1533 418 65 AVANTEL, S.A.
8151 1481 3020 349 UniNet S.A. de C.V.
7303 1357 827 190 Telecom Argentina Stet-France
26615 903 697 32 Tim Brasil S.A.
27947 686 74 99 Telconet S.A
11172 637 91 73 Servicios Alestra S.A de C.V
22047 583 326 15 VTR PUNTO NET S.A.
3816 571 242 100 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1303 958 13 TEDATA
24863 848 274 35 LINKdotNET AS number
6713 490 649 18 Itissalat Al-MAGHRIB
3741 265 921 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
33776 195 12 24 Starcomms Nigeria Limited
24835 179 80 8 RAYA Telecom - Egypt
16637 173 666 83 MTN Network Solutions
15706 169 32 6 Sudatel Internet Exchange Aut
29571 161 15 16 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3428 3807 195 bellsouth.net, inc.
7029 3385 985 157 Windstream Communications Inc
4766 2488 11113 1009 Korea Telecom (KIX)
18566 2091 382 179 Covad Communications
1785 1896 680 129 PaeTec Communications, Inc.
10620 1803 326 174 TVCABLE BOGOTA
17974 1799 503 63 PT TELEKOMUNIKASI INDONESIA
28573 1777 1107 59 NET Servicos de Comunicao S.A
8402 1759 544 16 Corbina telecom
7545 1663 301 86 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3385 3228 Windstream Communications Inc
18566 2091 1912 Covad Communications
1785 1896 1767 PaeTec Communications, Inc.
8402 1759 1743 Corbina telecom
17974 1799 1736 PT TELEKOMUNIKASI INDONESIA
28573 1777 1718 NET Servicos de Comunicao S.A
10620 1803 1629 TVCABLE BOGOTA
7545 1663 1577 TPG Internet Pty Ltd
4766 2488 1479 Korea Telecom (KIX)
6503 1533 1468 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
37.230.96.0/21 35470 XL Network

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:81 /12:235
/13:460 /14:832 /15:1480 /16:12201 /17:6274 /18:10515
/19:20631 /20:28864 /21:29877 /22:40551 /23:37803 /24:212316
/25:1200 /26:1424 /27:777 /28:158 /29:60 /30:17
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3043 3385 Windstream Communications Inc
6389 2146 3428 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1736 1759 Corbina telecom
10620 1695 1803 TVCABLE BOGOTA
30036 1392 1446 Mediacom Communications Corp
6503 1291 1533 AVANTEL, S.A.
11492 1148 1185 Cable One
8452 1111 1303 TEDATA
7011 1068 1183 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:532 2:726 4:14 6:3 8:400 12:1990
13:1 14:600 15:12 16:3 17:7 20:8
23:159 24:1769 27:1270 31:978 32:57 33:2
34:2 36:8 37:342 38:795 40:120 41:3147
42:134 44:3 46:1463 47:3 49:383 50:535
52:13 54:7 55:9 56:3 57:31 58:962
59:521 60:282 61:1263 62:977 63:1990 64:4158
65:2253 66:4496 67:2029 68:1152 69:3153 70:906
71:472 72:1819 74:2596 75:494 76:318 77:964
78:1006 79:490 80:1190 81:903 82:661 83:548
84:490 85:1207 86:406 87:925 88:351 89:1631
90:297 91:4723 92:521 93:1389 94:1469 95:1146
96:355 97:318 98:892 99:37 100:7 101:169
103:969 106:105 107:185 108:226 109:1309 110:751
111:920 112:454 113:593 114:623 115:871 116:899
117:717 118:900 119:1217 120:349 121:806 122:1672
123:1089 124:1371 125:1265 128:561 129:190 130:253
131:599 132:173 133:21 134:242 135:62 136:212
137:177 138:355 139:147 140:489 141:244 142:386
143:396 144:514 145:69 146:490 147:277 148:765
149:301 150:160 151:176 152:464 153:172 154:7
155:429 156:215 157:379 158:177 159:522 160:337
161:259 162:352 163:190 164:572 165:395 166:571
167:463 168:816 169:127 170:856 171:127 172:4
173:1727 174:586 175:430 176:484 177:648 178:1333
180:1177 181:73 182:797 183:285 184:452 185:1
186:2209 187:1027 188:1190 189:1798 190:5495 192:5997
193:5545 194:4637 195:3580 196:1247 197:120 198:3624
199:4495 200:5795 201:1917 202:8512 203:8606 204:4343
205:2488 206:2748 207:2777 208:4046 209:3585 210:2761
211:1478 212:2002 213:1906 214:887 215:104 216:5092
217:1539 218:543 219:343 220:1225 221:556 222:323
223:334

End of report


cscora at apnic

Apr 20, 2012, 11:44 AM

Post #70 of 93 (2118 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 21 Apr, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 406332
Prefixes after maximum aggregation: 172729
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 197504
Total ASes present in the Internet Routing Table: 40749
Prefixes per ASN: 9.97
Origin-only ASes present in the Internet Routing Table: 33074
Origin ASes announcing only one prefix: 15626
Transit ASes present in the Internet Routing Table: 5448
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 64
Max AS path prepend of ASN ( 9902) 56
Prefixes from unregistered ASNs in the Routing Table: 391
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 2611
Number of 32-bit ASNs visible in the Routing Table: 2227
Prefixes from 32-bit ASNs in the Routing Table: 5570
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 119
Number of addresses announced to Internet: 2538235344
Equivalent to 151 /8s, 74 /16s and 101 /24s
Percentage of available address space announced: 68.5
Percentage of allocated address space announced: 68.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.4
Total number of prefixes smaller than registry allocations: 173084

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 99600
Total APNIC prefixes after maximum aggregation: 32224
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 96078
Unique aggregates announced from the APNIC address blocks: 39691
APNIC Region origin ASes present in the Internet Routing Table: 4681
APNIC Prefixes per ASN: 20.53
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 185
Number of APNIC addresses announced to Internet: 644102752
Equivalent to 38 /8s, 100 /16s and 58 /24s
Percentage of available APNIC address space announced: 81.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 149874
Total ARIN prefixes after maximum aggregation: 76295
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 121117
Unique aggregates announced from the ARIN address blocks: 50365
ARIN Region origin ASes present in the Internet Routing Table: 15044
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5734
ARIN Region transit ASes present in the Internet Routing Table: 1585
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 29
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 807297728
Equivalent to 48 /8s, 30 /16s and 98 /24s
Percentage of available ARIN address space announced: 64.2

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 101440
Total RIPE prefixes after maximum aggregation: 53739
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 93359
Unique aggregates announced from the RIPE address blocks: 58202
RIPE Region origin ASes present in the Internet Routing Table: 16502
RIPE Prefixes per ASN: 5.66
RIPE Region origin ASes announcing only one prefix: 8044
RIPE Region transit ASes present in the Internet Routing Table: 2626
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1495
Number of RIPE addresses announced to Internet: 509709960
Equivalent to 30 /8s, 97 /16s and 142 /24s
Percentage of available RIPE address space announced: 82.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 40646
Total LACNIC prefixes after maximum aggregation: 8266
LACNIC Deaggregation factor: 4.92
Prefixes being announced from the LACNIC address blocks: 40505
Unique aggregates announced from the LACNIC address blocks: 20214
LACNIC Region origin ASes present in the Internet Routing Table: 1586
LACNIC Prefixes per ASN: 25.54
LACNIC Region origin ASes announcing only one prefix: 441
LACNIC Region transit ASes present in the Internet Routing Table: 299
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 525
Number of LACNIC addresses announced to Internet: 99324808
Equivalent to 5 /8s, 235 /16s and 147 /24s
Percentage of available LACNIC address space announced: 65.8

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 9028
Total AfriNIC prefixes after maximum aggregation: 2137
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 7079
Unique aggregates announced from the AfriNIC address blocks: 2166
AfriNIC Region origin ASes present in the Internet Routing Table: 534
AfriNIC Prefixes per ASN: 13.26
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 116
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31771648
Equivalent to 1 /8s, 228 /16s and 204 /24s
Percentage of available AfriNIC address space announced: 47.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2497 11113 1012 Korea Telecom (KIX)
17974 1799 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1677 301 88 TPG Internet Pty Ltd
4755 1587 388 166 TATA Communications formerly
9829 1249 1069 30 BSNL National Internet Backbo
9583 1227 94 528 Sify Limited
7552 1170 1062 11 Vietel Corporation
4808 1105 2049 318 CNCGROUP IP network: China169
24560 1024 385 167 Bharti Airtel Ltd., Telemedia
9498 947 291 64 BHARTI Airtel Ltd.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3427 3807 195 bellsouth.net, inc.
7029 3369 985 157 Windstream Communications Inc
18566 2091 382 179 Covad Communications
1785 1903 680 130 PaeTec Communications, Inc.
20115 1640 1566 619 Charter Communications
4323 1601 1044 381 Time Warner Telecom
22773 1576 2910 111 Cox Communications, Inc.
30036 1412 258 763 Mediacom Communications Corp
7018 1260 9775 819 AT&T WorldNet Services
11492 1186 216 364 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1745 544 16 Corbina telecom
2118 1304 97 14 EUnet/RELCOM Autonomous Syste
31148 680 37 9 FreeNet ISP
34984 679 188 175 BILISIM TELEKOM
6830 657 2215 426 UPC Distribution Services
20940 649 206 501 Akamai Technologies European
12479 647 666 63 Uni2 Autonomous System
8551 572 360 81 Bezeq International
3320 533 8442 399 Deutsche Telekom AG
2578 501 33 7 Demos, Moscow, Russia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1810 327 176 TVCABLE BOGOTA
28573 1781 1107 59 NET Servicos de Comunicao S.A
6503 1533 418 65 AVANTEL, S.A.
8151 1490 3018 350 UniNet S.A. de C.V.
7303 1362 829 191 Telecom Argentina Stet-France
26615 902 697 32 Tim Brasil S.A.
27947 683 74 98 Telconet S.A
11172 637 91 73 Servicios Alestra S.A de C.V
22047 582 326 15 VTR PUNTO NET S.A.
3816 572 242 100 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1314 958 13 TEDATA
24863 840 274 35 LINKdotNET AS number
6713 490 649 18 Itissalat Al-MAGHRIB
3741 265 921 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
24835 180 80 8 RAYA Telecom - Egypt
16637 171 666 83 MTN Network Solutions
33776 171 11 21 Starcomms Nigeria Limited
15706 169 32 6 Sudatel Internet Exchange Aut
29571 159 15 15 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3427 3807 195 bellsouth.net, inc.
7029 3369 985 157 Windstream Communications Inc
4766 2497 11113 1012 Korea Telecom (KIX)
18566 2091 382 179 Covad Communications
1785 1903 680 130 PaeTec Communications, Inc.
10620 1810 327 176 TVCABLE BOGOTA
17974 1799 503 63 PT TELEKOMUNIKASI INDONESIA
28573 1781 1107 59 NET Servicos de Comunicao S.A
8402 1745 544 16 Corbina telecom
7545 1677 301 88 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3369 3212 Windstream Communications Inc
18566 2091 1912 Covad Communications
1785 1903 1773 PaeTec Communications, Inc.
17974 1799 1736 PT TELEKOMUNIKASI INDONESIA
8402 1745 1729 Corbina telecom
28573 1781 1722 NET Servicos de Comunicao S.A
10620 1810 1634 TVCABLE BOGOTA
7545 1677 1589 TPG Internet Pty Ltd
4766 2497 1485 Korea Telecom (KIX)
6503 1533 1468 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
37.252.112.0/21 35094 Bredbandsfylket Troms AS

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:81 /12:235
/13:459 /14:829 /15:1484 /16:12227 /17:6271 /18:10543
/19:20619 /20:28937 /21:29930 /22:40516 /23:37836 /24:212630
/25:1194 /26:1429 /27:786 /28:166 /29:65 /30:17
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3027 3369 Windstream Communications Inc
6389 2145 3427 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1722 1745 Corbina telecom
10620 1695 1810 TVCABLE BOGOTA
30036 1358 1412 Mediacom Communications Corp
6503 1291 1533 AVANTEL, S.A.
11492 1149 1186 Cable One
8452 1116 1314 TEDATA
1785 1071 1903 PaeTec Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:538 2:755 4:14 6:3 8:402 12:2007
13:1 14:599 15:12 16:3 17:7 20:22
23:167 24:1770 27:1257 31:981 32:57 33:2
34:2 36:8 37:366 38:798 40:120 41:3164
42:134 44:3 46:1495 47:3 49:371 50:530
52:13 54:8 55:8 56:3 57:31 58:960
59:519 60:281 61:1265 62:981 63:1992 64:4169
65:2251 66:4491 67:2019 68:1167 69:3189 70:902
71:486 72:1819 74:2594 75:494 76:318 77:944
78:1006 79:485 80:1209 81:903 82:667 83:550
84:473 85:1209 86:412 87:922 88:345 89:1625
90:291 91:4737 92:525 93:1352 94:1463 95:1166
96:360 97:316 98:902 99:36 100:7 101:174
103:1007 106:102 107:188 108:235 109:1287 110:756
111:921 112:445 113:597 114:642 115:880 116:908
117:714 118:906 119:1231 120:354 121:798 122:1638
123:1079 124:1352 125:1248 128:546 129:193 130:252
131:591 132:179 133:22 134:242 135:62 136:212
137:176 138:355 139:147 140:491 141:245 142:387
143:400 144:523 145:69 146:494 147:280 148:758
149:295 150:158 151:175 152:464 153:171 154:9
155:435 156:215 157:380 158:174 159:523 160:338
161:262 162:350 163:187 164:571 165:394 166:573
167:466 168:822 169:127 170:858 171:126 172:2
173:1745 174:563 175:433 176:427 177:666 178:1334
180:1180 181:75 182:810 183:288 184:453 185:1
186:2211 187:1041 188:1183 189:1779 190:5507 192:5999
193:5544 194:4646 195:3593 196:1292 197:130 198:3652
199:4521 200:5801 201:1927 202:8520 203:8588 204:4327
205:2494 206:2752 207:2793 208:4055 209:3611 210:2763
211:1475 212:2017 213:1907 214:834 215:104 216:5110
217:1538 218:539 219:344 220:1227 221:556 222:322
223:336

End of report


cscora at apnic

Apr 27, 2012, 11:44 AM

Post #71 of 93 (2114 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 28 Apr, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 407208
Prefixes after maximum aggregation: 172996
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 198106
Total ASes present in the Internet Routing Table: 40826
Prefixes per ASN: 9.97
Origin-only ASes present in the Internet Routing Table: 33106
Origin ASes announcing only one prefix: 15607
Transit ASes present in the Internet Routing Table: 5451
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 64
Max AS path prepend of ASN ( 9902) 56
Prefixes from unregistered ASNs in the Routing Table: 394
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 2635
Number of 32-bit ASNs visible in the Routing Table: 2269
Prefixes from 32-bit ASNs in the Routing Table: 5659
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 110
Number of addresses announced to Internet: 2540346576
Equivalent to 151 /8s, 106 /16s and 156 /24s
Percentage of available address space announced: 68.5
Percentage of allocated address space announced: 68.6
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 92.5
Total number of prefixes smaller than registry allocations: 173699

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 99521
Total APNIC prefixes after maximum aggregation: 32245
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 96009
Unique aggregates announced from the APNIC address blocks: 39862
APNIC Region origin ASes present in the Internet Routing Table: 4684
APNIC Prefixes per ASN: 20.50
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 734
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 190
Number of APNIC addresses announced to Internet: 644227680
Equivalent to 38 /8s, 102 /16s and 34 /24s
Percentage of available APNIC address space announced: 81.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 150278
Total ARIN prefixes after maximum aggregation: 76417
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 121331
Unique aggregates announced from the ARIN address blocks: 50436
ARIN Region origin ASes present in the Internet Routing Table: 15053
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5724
ARIN Region transit ASes present in the Internet Routing Table: 1581
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 807268032
Equivalent to 48 /8s, 29 /16s and 238 /24s
Percentage of available ARIN address space announced: 64.4

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 101788
Total RIPE prefixes after maximum aggregation: 53879
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 93665
Unique aggregates announced from the RIPE address blocks: 58385
RIPE Region origin ASes present in the Internet Routing Table: 16520
RIPE Prefixes per ASN: 5.67
RIPE Region origin ASes announcing only one prefix: 8040
RIPE Region transit ASes present in the Internet Routing Table: 2627
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1528
Number of RIPE addresses announced to Internet: 510941832
Equivalent to 30 /8s, 116 /16s and 90 /24s
Percentage of available RIPE address space announced: 82.3

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 40893
Total LACNIC prefixes after maximum aggregation: 8250
LACNIC Deaggregation factor: 4.96
Prefixes being announced from the LACNIC address blocks: 40763
Unique aggregates announced from the LACNIC address blocks: 20273
LACNIC Region origin ASes present in the Internet Routing Table: 1592
LACNIC Prefixes per ASN: 25.60
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 300
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 529
Number of LACNIC addresses announced to Internet: 99745160
Equivalent to 5 /8s, 241 /16s and 253 /24s
Percentage of available LACNIC address space announced: 66.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8894
Total AfriNIC prefixes after maximum aggregation: 2137
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6962
Unique aggregates announced from the AfriNIC address blocks: 2224
AfriNIC Region origin ASes present in the Internet Routing Table: 534
AfriNIC Prefixes per ASN: 13.04
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 120
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31785728
Equivalent to 1 /8s, 229 /16s and 3 /24s
Percentage of available AfriNIC address space announced: 47.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2485 11112 1010 Korea Telecom (KIX)
17974 1822 509 71 PT TELEKOMUNIKASI INDONESIA
7545 1679 301 88 TPG Internet Pty Ltd
4755 1584 386 158 TATA Communications formerly
9829 1261 1069 30 BSNL National Internet Backbo
7552 1169 1062 11 Vietel Corporation
9583 1145 84 490 Sify Limited
4808 1111 2050 319 CNCGROUP IP network: China169
24560 1027 385 167 Bharti Airtel Ltd., Telemedia
9498 954 291 65 BHARTI Airtel Ltd.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3425 3807 194 bellsouth.net, inc.
7029 3368 986 158 Windstream Communications Inc
18566 2091 382 179 Covad Communications
1785 1906 680 131 PaeTec Communications, Inc.
20115 1639 1566 619 Charter Communications
4323 1599 1044 383 Time Warner Telecom
22773 1580 2910 114 Cox Communications, Inc.
30036 1420 261 768 Mediacom Communications Corp
7018 1249 9774 818 AT&T WorldNet Services
11492 1186 216 364 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1679 544 16 Corbina telecom
2118 1304 97 14 EUnet/RELCOM Autonomous Syste
31148 681 37 9 FreeNet ISP
34984 681 188 173 BILISIM TELEKOM
6830 655 2215 426 UPC Distribution Services
12479 650 668 66 Uni2 Autonomous System
20940 636 206 498 Akamai Technologies European
8551 571 360 80 Bezeq International
3320 531 8441 397 Deutsche Telekom AG
2578 501 33 7 Demos, Moscow, Russia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1832 329 171 TVCABLE BOGOTA
28573 1804 1114 62 NET Servicos de Comunicao S.A
6503 1533 418 65 AVANTEL, S.A.
8151 1486 3000 345 UniNet S.A. de C.V.
7303 1362 829 187 Telecom Argentina Stet-France
26615 903 761 33 Tim Brasil S.A.
27947 685 74 98 Telconet S.A
11172 639 91 73 Servicios Alestra S.A de C.V
22047 582 326 15 VTR PUNTO NET S.A.
3816 572 242 100 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1305 958 13 TEDATA
24863 840 274 35 LINKdotNET AS number
6713 493 649 18 Itissalat Al-MAGHRIB
3741 265 921 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
33776 195 12 24 Starcomms Nigeria Limited
24835 179 80 8 RAYA Telecom - Egypt
16637 174 666 83 MTN Network Solutions
15706 169 32 6 Sudatel Internet Exchange Aut
29571 157 15 16 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3425 3807 194 bellsouth.net, inc.
7029 3368 986 158 Windstream Communications Inc
4766 2485 11112 1010 Korea Telecom (KIX)
18566 2091 382 179 Covad Communications
1785 1906 680 131 PaeTec Communications, Inc.
10620 1832 329 171 TVCABLE BOGOTA
17974 1822 509 71 PT TELEKOMUNIKASI INDONESIA
28573 1804 1114 62 NET Servicos de Comunicao S.A
7545 1679 301 88 TPG Internet Pty Ltd
8402 1679 544 16 Corbina telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3368 3210 Windstream Communications Inc
18566 2091 1912 Covad Communications
1785 1906 1775 PaeTec Communications, Inc.
17974 1822 1751 PT TELEKOMUNIKASI INDONESIA
28573 1804 1742 NET Servicos de Comunicao S.A
8402 1679 1663 Corbina telecom
10620 1832 1661 TVCABLE BOGOTA
7545 1679 1591 TPG Internet Pty Ltd
4766 2485 1475 Korea Telecom (KIX)
6503 1533 1468 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.3.0.0/16 41733 JSC "Z-Telecom"
5.8.184.0/21 29286 Skylogic Italia Autonomous Sy
5.16.0.0/14 41733 JSC "Z-Telecom"
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:81 /12:235
/13:460 /14:832 /15:1489 /16:12244 /17:6243 /18:10539
/19:20613 /20:29018 /21:30083 /22:40581 /23:38021 /24:213032
/25:1196 /26:1429 /27:784 /28:166 /29:67 /30:17
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3026 3368 Windstream Communications Inc
6389 2143 3425 bellsouth.net, inc.
18566 2040 2091 Covad Communications
10620 1709 1832 TVCABLE BOGOTA
8402 1657 1679 Corbina telecom
30036 1364 1420 Mediacom Communications Corp
6503 1291 1533 AVANTEL, S.A.
11492 1149 1186 Cable One
8452 1105 1305 TEDATA
1785 1072 1906 PaeTec Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:539 2:550 4:14 6:3 8:406 12:1999
13:1 14:611 15:12 16:3 17:5 20:23
23:167 24:1761 27:1273 31:952 32:57 33:2
34:2 36:8 37:421 38:800 40:120 41:3112
42:135 44:3 46:1481 47:3 49:404 50:538
52:13 54:8 55:11 56:3 57:31 58:965
59:520 60:254 61:1277 62:976 63:1990 64:4173
65:2255 66:4486 67:2021 68:1166 69:3189 70:903
71:466 72:1825 74:2602 75:494 76:318 77:941
78:1012 79:487 80:1209 81:902 82:673 83:550
84:482 85:1210 86:412 87:929 88:340 89:1630
90:291 91:4769 92:520 93:1507 94:1510 95:894
96:358 97:315 98:895 99:37 100:7 101:181
103:1030 106:102 107:191 108:268 109:1306 110:746
111:923 112:454 113:600 114:642 115:807 116:929
117:719 118:909 119:1230 120:354 121:692 122:1676
123:1104 124:1364 125:1243 128:562 129:196 130:255
131:626 132:180 133:22 134:242 135:62 136:214
137:177 138:355 139:163 140:492 141:242 142:407
143:392 144:523 145:74 146:495 147:279 148:768
149:306 150:159 151:181 152:464 153:172 154:12
155:399 156:215 157:375 158:179 159:539 160:338
161:262 162:348 163:191 164:580 165:399 166:573
167:468 168:820 169:128 170:859 171:127 172:2
173:1756 174:570 175:437 176:686 177:654 178:1349
180:1192 181:79 182:826 183:289 184:462 185:1
186:2247 187:1056 188:1239 189:1791 190:5513 192:6010
193:5539 194:4658 195:3600 196:1271 197:129 198:3660
199:4543 200:5806 201:1934 202:8518 203:8599 204:4327
205:2498 206:2746 207:2796 208:4057 209:3621 210:2736
211:1478 212:1983 213:1927 214:848 215:104 216:5131
217:1533 218:545 219:318 220:1230 221:558 222:323
223:336

End of report


cscora at apnic

May 4, 2012, 11:45 AM

Post #72 of 93 (2075 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 05 May, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 406993
Prefixes after maximum aggregation: 173163
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 198390
Total ASes present in the Internet Routing Table: 40878
Prefixes per ASN: 9.96
Origin-only ASes present in the Internet Routing Table: 33126
Origin ASes announcing only one prefix: 15619
Transit ASes present in the Internet Routing Table: 5471
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 64
Max AS path prepend of ASN ( 9902) 56
Prefixes from unregistered ASNs in the Routing Table: 402
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 2663
Number of 32-bit ASNs visible in the Routing Table: 2281
Prefixes from 32-bit ASNs in the Routing Table: 5694
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 114
Number of addresses announced to Internet: 2544196464
Equivalent to 151 /8s, 165 /16s and 91 /24s
Percentage of available address space announced: 68.6
Percentage of allocated address space announced: 68.7
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 92.5
Total number of prefixes smaller than registry allocations: 174082

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 99714
Total APNIC prefixes after maximum aggregation: 32251
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 96165
Unique aggregates announced from the APNIC address blocks: 39795
APNIC Region origin ASes present in the Internet Routing Table: 4682
APNIC Prefixes per ASN: 20.54
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 728
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 197
Number of APNIC addresses announced to Internet: 644332128
Equivalent to 38 /8s, 103 /16s and 186 /24s
Percentage of available APNIC address space announced: 81.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 150460
Total ARIN prefixes after maximum aggregation: 76455
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 121468
Unique aggregates announced from the ARIN address blocks: 50615
ARIN Region origin ASes present in the Internet Routing Table: 15067
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5733
ARIN Region transit ASes present in the Internet Routing Table: 1593
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 810105536
Equivalent to 48 /8s, 73 /16s and 58 /24s
Percentage of available ARIN address space announced: 64.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 100875
Total RIPE prefixes after maximum aggregation: 53982
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 92742
Unique aggregates announced from the RIPE address blocks: 58472
RIPE Region origin ASes present in the Internet Routing Table: 16538
RIPE Prefixes per ASN: 5.61
RIPE Region origin ASes announcing only one prefix: 8041
RIPE Region transit ASes present in the Internet Routing Table: 2638
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1535
Number of RIPE addresses announced to Internet: 511625288
Equivalent to 30 /8s, 126 /16s and 200 /24s
Percentage of available RIPE address space announced: 82.4

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 41119
Total LACNIC prefixes after maximum aggregation: 8257
LACNIC Deaggregation factor: 4.98
Prefixes being announced from the LACNIC address blocks: 41000
Unique aggregates announced from the LACNIC address blocks: 20353
LACNIC Region origin ASes present in the Internet Routing Table: 1595
LACNIC Prefixes per ASN: 25.71
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 301
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 527
Number of LACNIC addresses announced to Internet: 100055944
Equivalent to 5 /8s, 246 /16s and 187 /24s
Percentage of available LACNIC address space announced: 66.3

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8955
Total AfriNIC prefixes after maximum aggregation: 2151
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6977
Unique aggregates announced from the AfriNIC address blocks: 2233
AfriNIC Region origin ASes present in the Internet Routing Table: 536
AfriNIC Prefixes per ASN: 13.02
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31795968
Equivalent to 1 /8s, 229 /16s and 43 /24s
Percentage of available AfriNIC address space announced: 47.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2506 11113 1012 Korea Telecom (KIX)
17974 1866 510 73 PT TELEKOMUNIKASI INDONESIA
7545 1678 301 86 TPG Internet Pty Ltd
4755 1575 385 155 TATA Communications formerly
9829 1281 1069 30 BSNL National Internet Backbo
7552 1178 1062 11 Vietel Corporation
9583 1149 85 494 Sify Limited
4808 1110 2050 318 CNCGROUP IP network: China169
24560 1027 385 167 Bharti Airtel Ltd., Telemedia
9498 962 291 65 BHARTI Airtel Ltd.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3425 3807 194 bellsouth.net, inc.
7029 3373 986 159 Windstream Communications Inc
18566 2092 382 179 Covad Communications
1785 1895 680 130 PaeTec Communications, Inc.
20115 1640 1566 619 Charter Communications
4323 1606 1044 383 Time Warner Telecom
22773 1591 2911 115 Cox Communications, Inc.
30036 1423 261 761 Mediacom Communications Corp
7018 1247 10038 817 AT&T WorldNet Services
11492 1186 216 364 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1719 544 16 Corbina telecom
34984 687 188 172 BILISIM TELEKOM
31148 683 37 9 FreeNet ISP
12479 672 669 68 Uni2 Autonomous System
6830 655 2215 426 UPC Distribution Services
20940 642 208 502 Akamai Technologies European
8551 573 360 80 Bezeq International
3320 534 8442 399 Deutsche Telekom AG
2578 500 33 7 Demos, Moscow, Russia
3292 472 2108 406 TDC Tele Danmark

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1854 332 179 TVCABLE BOGOTA
28573 1825 1130 59 NET Servicos de Comunicao S.A
6503 1525 418 65 AVANTEL, S.A.
8151 1476 2999 340 UniNet S.A. de C.V.
7303 1371 837 188 Telecom Argentina Stet-France
26615 904 761 33 Tim Brasil S.A.
27947 685 74 98 Telconet S.A
11172 643 91 73 Servicios Alestra S.A de C.V
22047 582 326 15 VTR PUNTO NET S.A.
3816 572 242 100 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1309 958 13 TEDATA
24863 843 274 35 LINKdotNET AS number
6713 493 649 18 Itissalat Al-MAGHRIB
3741 263 921 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
33776 186 12 21 Starcomms Nigeria Limited
24835 179 80 8 RAYA Telecom - Egypt
15706 169 32 6 Sudatel Internet Exchange Aut
16637 158 666 83 MTN Network Solutions
29571 157 15 16 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3425 3807 194 bellsouth.net, inc.
7029 3373 986 159 Windstream Communications Inc
4766 2506 11113 1012 Korea Telecom (KIX)
18566 2092 382 179 Covad Communications
1785 1895 680 130 PaeTec Communications, Inc.
17974 1866 510 73 PT TELEKOMUNIKASI INDONESIA
10620 1854 332 179 TVCABLE BOGOTA
28573 1825 1130 59 NET Servicos de Comunicao S.A
8402 1719 544 16 Corbina telecom
7545 1678 301 86 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3373 3214 Windstream Communications Inc
18566 2092 1913 Covad Communications
17974 1866 1793 PT TELEKOMUNIKASI INDONESIA
28573 1825 1766 NET Servicos de Comunicao S.A
1785 1895 1765 PaeTec Communications, Inc.
8402 1719 1703 Corbina telecom
10620 1854 1675 TVCABLE BOGOTA
7545 1678 1592 TPG Internet Pty Ltd
4766 2506 1494 Korea Telecom (KIX)
22773 1591 1476 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.22.160.0/19 31042 Serbia Broadband Autonomous s
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
24.135.0.0/16 31042 Serbia Broadband Autonomous s

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:28 /11:82 /12:235
/13:460 /14:831 /15:1494 /16:12241 /17:6244 /18:10575
/19:20631 /20:29133 /21:30148 /22:40724 /23:38145 /24:212321
/25:1192 /26:1428 /27:782 /28:165 /29:67 /30:17
/31:0 /32:19

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3030 3373 Windstream Communications Inc
6389 2143 3425 bellsouth.net, inc.
18566 2041 2092 Covad Communications
10620 1712 1854 TVCABLE BOGOTA
8402 1697 1719 Corbina telecom
30036 1367 1423 Mediacom Communications Corp
6503 1284 1525 AVANTEL, S.A.
11492 1149 1186 Cable One
8452 1110 1309 TEDATA
7011 1069 1184 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:537 2:651 4:14 6:3 8:406 12:1994
13:1 14:610 15:12 16:3 17:5 20:23
23:164 24:1762 27:1292 31:950 32:57 33:2
34:2 36:8 37:426 38:803 40:120 41:3083
42:135 44:3 46:1419 47:3 49:414 50:548
52:13 54:10 55:12 56:3 57:31 58:958
59:488 60:254 61:1208 62:986 63:2036 64:4166
65:2252 66:4477 67:2037 68:1160 69:3173 70:905
71:485 72:1829 74:2612 75:494 76:317 77:941
78:981 79:490 80:1213 81:907 82:680 83:546
84:483 85:1210 86:417 87:919 88:338 89:1666
90:291 91:4779 92:521 93:1489 94:1507 95:892
96:367 97:316 98:864 99:37 100:7 101:185
103:1037 106:101 107:191 108:276 109:1331 110:759
111:919 112:453 113:601 114:630 115:807 116:925
117:722 118:906 119:1232 120:354 121:691 122:1656
123:1105 124:1383 125:1247 128:560 129:194 130:252
131:623 132:179 133:22 134:245 135:62 136:215
137:173 138:356 139:183 140:494 141:242 142:409
143:429 144:521 145:70 146:500 147:282 148:770
149:306 150:157 151:179 152:466 153:172 154:12
155:400 156:217 157:376 158:175 159:544 160:338
161:260 162:347 163:191 164:581 165:397 166:573
167:465 168:822 169:128 170:860 171:127 172:2
173:1763 174:578 175:431 176:649 177:682 178:1356
180:1213 181:82 182:962 183:292 184:476 185:1
186:2249 187:1070 188:1232 189:1780 190:5536 192:6013
193:5292 194:3959 195:3408 196:1274 197:133 198:3655
199:4583 200:5835 201:1933 202:8549 203:8611 204:4343
205:2504 206:2749 207:2796 208:4045 209:3621 210:2732
211:1479 212:1993 213:1932 214:858 215:103 216:5112
217:1542 218:543 219:319 220:1232 221:557 222:323
223:337

End of report


cscora at apnic

May 11, 2012, 11:44 AM

Post #73 of 93 (2065 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 12 May, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 407563
Prefixes after maximum aggregation: 173478
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 199037
Total ASes present in the Internet Routing Table: 40961
Prefixes per ASN: 9.95
Origin-only ASes present in the Internet Routing Table: 33155
Origin ASes announcing only one prefix: 15644
Transit ASes present in the Internet Routing Table: 5484
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 64
Max AS path prepend of ASN ( 9902) 56
Prefixes from unregistered ASNs in the Routing Table: 374
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 2687
Number of 32-bit ASNs visible in the Routing Table: 2322
Prefixes from 32-bit ASNs in the Routing Table: 5860
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 108
Number of addresses announced to Internet: 2547853104
Equivalent to 151 /8s, 221 /16s and 39 /24s
Percentage of available address space announced: 68.7
Percentage of allocated address space announced: 68.8
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 92.6
Total number of prefixes smaller than registry allocations: 173961

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 100290
Total APNIC prefixes after maximum aggregation: 32360
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 96740
Unique aggregates announced from the APNIC address blocks: 39871
APNIC Region origin ASes present in the Internet Routing Table: 4683
APNIC Prefixes per ASN: 20.66
APNIC Region origin ASes announcing only one prefix: 1234
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 203
Number of APNIC addresses announced to Internet: 644595328
Equivalent to 38 /8s, 107 /16s and 190 /24s
Percentage of available APNIC address space announced: 81.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 150584
Total ARIN prefixes after maximum aggregation: 76455
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 121585
Unique aggregates announced from the ARIN address blocks: 50780
ARIN Region origin ASes present in the Internet Routing Table: 15088
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5739
ARIN Region transit ASes present in the Internet Routing Table: 1596
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 812031680
Equivalent to 48 /8s, 102 /16s and 158 /24s
Percentage of available ARIN address space announced: 64.8

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 100227
Total RIPE prefixes after maximum aggregation: 54165
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 92408
Unique aggregates announced from the RIPE address blocks: 58733
RIPE Region origin ASes present in the Internet Routing Table: 16564
RIPE Prefixes per ASN: 5.58
RIPE Region origin ASes announcing only one prefix: 8064
RIPE Region transit ASes present in the Internet Routing Table: 2649
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1551
Number of RIPE addresses announced to Internet: 512885448
Equivalent to 30 /8s, 146 /16s and 2 /24s
Percentage of available RIPE address space announced: 82.6

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 41419
Total LACNIC prefixes after maximum aggregation: 8278
LACNIC Deaggregation factor: 5.00
Prefixes being announced from the LACNIC address blocks: 41394
Unique aggregates announced from the LACNIC address blocks: 20500
LACNIC Region origin ASes present in the Internet Routing Table: 1598
LACNIC Prefixes per ASN: 25.90
LACNIC Region origin ASes announcing only one prefix: 441
LACNIC Region transit ASes present in the Internet Routing Table: 300
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 546
Number of LACNIC addresses announced to Internet: 100238984
Equivalent to 5 /8s, 249 /16s and 134 /24s
Percentage of available LACNIC address space announced: 66.4

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8993
Total AfriNIC prefixes after maximum aggregation: 2154
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 7041
Unique aggregates announced from the AfriNIC address blocks: 2219
AfriNIC Region origin ASes present in the Internet Routing Table: 532
AfriNIC Prefixes per ASN: 13.23
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 122
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31782656
Equivalent to 1 /8s, 228 /16s and 247 /24s
Percentage of available AfriNIC address space announced: 47.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2540 11114 1040 Korea Telecom (KIX)
17974 1869 510 73 PT TELEKOMUNIKASI INDONESIA
7545 1678 301 85 TPG Internet Pty Ltd
4755 1593 388 162 TATA Communications formerly
9829 1283 1069 30 BSNL National Internet Backbo
7552 1164 1062 11 Vietel Corporation
9583 1156 86 500 Sify Limited
4808 1104 2049 315 CNCGROUP IP network: China169
24560 1027 385 167 Bharti Airtel Ltd., Telemedia
9498 965 291 64 BHARTI Airtel Ltd.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3415 3807 193 bellsouth.net, inc.
7029 3376 986 159 Windstream Communications Inc
18566 2093 382 179 Covad Communications
1785 1903 681 131 PaeTec Communications, Inc.
20115 1638 1566 620 Charter Communications
4323 1606 1044 383 Time Warner Telecom
22773 1597 2911 115 Cox Communications, Inc.
30036 1407 262 752 Mediacom Communications Corp
7018 1251 10038 820 AT&T WorldNet Services
11492 1186 216 364 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1728 544 16 Corbina telecom
34984 693 188 172 BILISIM TELEKOM
31148 685 37 9 FreeNet ISP
12479 679 671 69 Uni2 Autonomous System
20940 657 216 511 Akamai Technologies European
6830 656 2215 426 UPC Distribution Services
8551 573 360 80 Bezeq International
3320 485 8442 401 Deutsche Telekom AG
3292 473 2108 407 TDC Tele Danmark
8866 436 134 27 Bulgarian Telecommunication C

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1869 334 175 TVCABLE BOGOTA
28573 1849 1137 58 NET Servicos de Comunicao S.A
6503 1524 418 66 AVANTEL, S.A.
8151 1480 3003 342 UniNet S.A. de C.V.
7303 1371 837 188 Telecom Argentina Stet-France
26615 903 761 33 Tim Brasil S.A.
27947 693 74 98 Telconet S.A
11172 642 91 73 Servicios Alestra S.A de C.V
22047 582 326 15 VTR PUNTO NET S.A.
3816 576 243 98 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1307 958 13 TEDATA
24863 845 274 35 LINKdotNET AS number
6713 496 649 18 Itissalat Al-MAGHRIB
3741 263 921 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
33776 197 12 21 Starcomms Nigeria Limited
24835 179 80 8 RAYA Telecom - Egypt
16637 170 666 83 MTN Network Solutions
15706 169 32 6 Sudatel Internet Exchange Aut
29571 158 15 16 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3415 3807 193 bellsouth.net, inc.
7029 3376 986 159 Windstream Communications Inc
4766 2540 11114 1040 Korea Telecom (KIX)
18566 2093 382 179 Covad Communications
1785 1903 681 131 PaeTec Communications, Inc.
10620 1869 334 175 TVCABLE BOGOTA
17974 1869 510 73 PT TELEKOMUNIKASI INDONESIA
28573 1849 1137 58 NET Servicos de Comunicao S.A
8402 1728 544 16 Corbina telecom
7545 1678 301 85 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3376 3217 Windstream Communications Inc
18566 2093 1914 Covad Communications
17974 1869 1796 PT TELEKOMUNIKASI INDONESIA
28573 1849 1791 NET Servicos de Comunicao S.A
1785 1903 1772 PaeTec Communications, Inc.
8402 1728 1712 Corbina telecom
10620 1869 1694 TVCABLE BOGOTA
7545 1678 1593 TPG Internet Pty Ltd
4766 2540 1500 Korea Telecom (KIX)
22773 1597 1482 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.32.168.0/21 15836 ARAX Autonomous System
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:29 /11:81 /12:235
/13:460 /14:831 /15:1496 /16:12241 /17:6253 /18:10573
/19:20706 /20:29319 /21:30533 /22:39962 /23:38226 /24:212903
/25:1197 /26:1433 /27:787 /28:164 /29:66 /30:17
/31:0 /32:20

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3033 3376 Windstream Communications Inc
6389 2134 3415 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1715 1869 TVCABLE BOGOTA
8402 1706 1728 Corbina telecom
30036 1348 1407 Mediacom Communications Corp
6503 1282 1524 AVANTEL, S.A.
11492 1149 1186 Cable One
8452 1108 1307 TEDATA
7011 1069 1184 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:543 2:704 4:14 5:2 6:3 8:411
12:2001 13:1 14:610 15:12 16:3 17:5
20:23 23:166 24:1769 27:1298 31:953 32:57
33:2 34:2 36:8 37:440 38:808 40:120
41:3115 42:136 44:3 46:1417 47:3 49:402
50:546 52:13 54:10 55:13 56:3 57:32
58:961 59:509 60:255 61:1280 62:986 63:2056
64:4181 65:2241 66:4468 67:2019 68:1166 69:3209
70:905 71:484 72:1818 74:2592 75:492 76:319
77:948 78:985 79:489 80:1215 81:909 82:667
83:554 84:487 85:1224 86:438 87:918 88:334
89:1694 90:292 91:4810 92:539 93:1469 94:1519
95:903 96:369 97:316 98:873 99:38 100:7
101:186 103:1059 106:103 107:187 108:284 109:1337
110:769 111:915 112:409 113:605 114:631 115:898
116:938 117:715 118:911 119:1236 120:352 121:805
122:1668 123:1102 124:1382 125:1246 128:561 129:197
130:252 131:629 132:179 133:22 134:247 135:62
136:214 137:178 138:334 139:183 140:493 141:243
142:413 143:432 144:526 145:70 146:497 147:282
148:772 149:306 150:157 151:176 152:466 153:172
154:12 155:400 156:219 157:381 158:179 159:545
160:338 161:260 162:347 163:191 164:588 165:386
166:572 167:467 168:859 169:126 170:770 171:131
172:2 173:1738 174:583 175:432 176:696 177:735
178:1361 180:1208 181:82 182:974 183:290 184:486
185:1 186:2282 187:1074 188:1264 189:1791 190:5572
192:6002 193:5288 194:3807 195:3217 196:1283 197:135
198:3640 199:4605 200:5855 201:1936 202:8565 203:8595
204:4327 205:2526 206:2763 207:2798 208:4078 209:3616
210:2752 211:1489 212:2026 213:1935 214:851 215:103
216:5104 217:1546 218:544 219:338 220:1231 221:558
222:322 223:339

End of report


cscora at apnic

May 18, 2012, 12:03 PM

Post #74 of 93 (2026 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 19 May, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 409230
Prefixes after maximum aggregation: 173889
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 199573
Total ASes present in the Internet Routing Table: 41033
Prefixes per ASN: 9.97
Origin-only ASes present in the Internet Routing Table: 33202
Origin ASes announcing only one prefix: 15654
Transit ASes present in the Internet Routing Table: 5481
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 30
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 365
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 2716
Number of 32-bit ASNs visible in the Routing Table: 2350
Prefixes from 32-bit ASNs in the Routing Table: 5960
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 106
Number of addresses announced to Internet: 2550061936
Equivalent to 151 /8s, 254 /16s and 219 /24s
Percentage of available address space announced: 68.8
Percentage of allocated address space announced: 68.9
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 92.7
Total number of prefixes smaller than registry allocations: 174827

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 100170
Total APNIC prefixes after maximum aggregation: 32430
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 96619
Unique aggregates announced from the APNIC address blocks: 39919
APNIC Region origin ASes present in the Internet Routing Table: 4690
APNIC Prefixes per ASN: 20.60
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 728
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 22
Number of APNIC region 32-bit ASNs visible in the Routing Table: 212
Number of APNIC addresses announced to Internet: 644826304
Equivalent to 38 /8s, 111 /16s and 68 /24s
Percentage of available APNIC address space announced: 81.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 151240
Total ARIN prefixes after maximum aggregation: 76711
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 121762
Unique aggregates announced from the ARIN address blocks: 50992
ARIN Region origin ASes present in the Internet Routing Table: 15113
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5744
ARIN Region transit ASes present in the Internet Routing Table: 1595
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 16
Number of ARIN addresses announced to Internet: 812257216
Equivalent to 48 /8s, 106 /16s and 15 /24s
Percentage of available ARIN address space announced: 64.8

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 101103
Total RIPE prefixes after maximum aggregation: 54239
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 93267
Unique aggregates announced from the RIPE address blocks: 58890
RIPE Region origin ASes present in the Internet Routing Table: 16571
RIPE Prefixes per ASN: 5.63
RIPE Region origin ASes announcing only one prefix: 8060
RIPE Region transit ASes present in the Internet Routing Table: 2649
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1563
Number of RIPE addresses announced to Internet: 513346312
Equivalent to 30 /8s, 153 /16s and 11 /24s
Percentage of available RIPE address space announced: 82.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 41527
Total LACNIC prefixes after maximum aggregation: 8282
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 41554
Unique aggregates announced from the LACNIC address blocks: 20491
LACNIC Region origin ASes present in the Internet Routing Table: 1596
LACNIC Prefixes per ASN: 26.04
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 300
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 554
Number of LACNIC addresses announced to Internet: 101104712
Equivalent to 6 /8s, 6 /16s and 188 /24s
Percentage of available LACNIC address space announced: 67.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 9047
Total AfriNIC prefixes after maximum aggregation: 2163
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 7073
Unique aggregates announced from the AfriNIC address blocks: 2216
AfriNIC Region origin ASes present in the Internet Routing Table: 540
AfriNIC Prefixes per ASN: 13.10
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 120
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 31790080
Equivalent to 1 /8s, 229 /16s and 20 /24s
Percentage of available AfriNIC address space announced: 47.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2608 11113 1101 Korea Telecom (KIX)
17974 1924 530 80 PT TELEKOMUNIKASI INDONESIA
7545 1679 301 86 TPG Internet Pty Ltd
4755 1577 385 155 TATA Communications formerly
9829 1296 1085 28 BSNL National Internet Backbo
7552 1173 1062 11 Vietel Corporation
9583 1157 87 500 Sify Limited
4808 1109 2051 318 CNCGROUP IP network: China169
24560 1027 385 167 Bharti Airtel Ltd., Telemedia
9498 964 291 64 BHARTI Airtel Ltd.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3414 3807 193 bellsouth.net, inc.
7029 3366 985 158 Windstream Communications Inc
18566 2094 382 177 Covad Communications
1785 1905 681 131 PaeTec Communications, Inc.
20115 1637 1566 619 Charter Communications
22773 1607 2911 121 Cox Communications, Inc.
4323 1584 1042 383 Time Warner Telecom
30036 1417 263 754 Mediacom Communications Corp
7018 1223 10024 821 AT&T WorldNet Services
11492 1186 216 364 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1673 544 16 Corbina telecom
34984 696 188 172 BILISIM TELEKOM
31148 685 37 9 FreeNet ISP
12479 681 671 67 Uni2 Autonomous System
2118 658 97 14 EUnet/RELCOM Autonomous Syste
20940 658 216 512 Akamai Technologies European
6830 655 2215 426 UPC Distribution Services
8551 568 360 80 Bezeq International
3320 486 8442 402 Deutsche Telekom AG
3292 472 2108 407 TDC Tele Danmark

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1909 339 180 TVCABLE BOGOTA
28573 1866 1153 59 NET Servicos de Comunicao S.A
6503 1527 418 65 AVANTEL, S.A.
8151 1484 3027 342 UniNet S.A. de C.V.
7303 1435 901 191 Telecom Argentina Stet-France
26615 902 760 32 Tim Brasil S.A.
27947 690 73 95 Telconet S.A
11172 642 91 73 Servicios Alestra S.A de C.V
22047 582 326 15 VTR PUNTO NET S.A.
3816 578 244 98 Empresa Nacional de Telecomun

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1196 957 12 TEDATA
24863 845 274 35 LINKdotNET AS number
6713 497 649 18 Itissalat Al-MAGHRIB
3741 262 905 223 The Internet Solution
33776 203 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 179 80 8 RAYA Telecom - Egypt
16637 170 666 82 MTN Network Solutions
15706 164 32 6 Sudatel Internet Exchange Aut
29571 157 15 16 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3414 3807 193 bellsouth.net, inc.
7029 3366 985 158 Windstream Communications Inc
4766 2608 11113 1101 Korea Telecom (KIX)
18566 2094 382 177 Covad Communications
17974 1924 530 80 PT TELEKOMUNIKASI INDONESIA
10620 1909 339 180 TVCABLE BOGOTA
1785 1905 681 131 PaeTec Communications, Inc.
28573 1866 1153 59 NET Servicos de Comunicao S.A
7545 1679 301 86 TPG Internet Pty Ltd
8402 1673 544 16 Corbina telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3366 3208 Windstream Communications Inc
18566 2094 1917 Covad Communications
17974 1924 1844 PT TELEKOMUNIKASI INDONESIA
28573 1866 1807 NET Servicos de Comunicao S.A
1785 1905 1774 PaeTec Communications, Inc.
10620 1909 1729 TVCABLE BOGOTA
8402 1673 1657 Corbina telecom
7545 1679 1593 TPG Internet Pty Ltd
4766 2608 1507 Korea Telecom (KIX)
22773 1607 1486 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
32873 UNALLOCATED 12.46.102.0/24 10912 InterNAP Network Ser
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.79.0/24 36938 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:29 /11:81 /12:235
/13:460 /14:832 /15:1495 /16:12258 /17:6266 /18:10598
/19:20694 /20:29440 /21:30649 /22:40198 /23:38324 /24:213890
/25:1218 /26:1450 /27:809 /28:168 /29:68 /30:17
/31:0 /32:20

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 3023 3366 Windstream Communications Inc
6389 2133 3414 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1735 1909 TVCABLE BOGOTA
8402 1651 1673 Corbina telecom
30036 1358 1417 Mediacom Communications Corp
6503 1285 1527 AVANTEL, S.A.
11492 1149 1186 Cable One
7011 1070 1185 Citizens Utilities
1785 1063 1905 PaeTec Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:542 2:686 4:13 5:11 6:3 8:414
12:2005 13:1 14:610 15:12 16:3 17:5
20:23 23:172 24:1772 27:1286 31:961 32:57
33:2 34:2 36:8 37:469 38:808 40:121
41:3097 42:133 44:3 46:1422 47:3 49:404
50:550 52:13 54:10 55:9 56:3 57:33
58:958 59:484 60:253 61:1228 62:995 63:2051
64:4179 65:2252 66:4473 67:2011 68:1164 69:3202
70:905 71:489 72:1823 74:2598 75:491 76:327
77:941 78:982 79:488 80:1211 81:911 82:664
83:553 84:487 85:1221 86:436 87:917 88:333
89:1708 90:290 91:4845 92:547 93:1321 94:1527
95:1181 96:367 97:313 98:878 99:38 100:7
101:190 103:1081 106:103 107:185 108:295 109:1329
110:765 111:921 112:410 113:603 114:623 115:834
116:932 117:715 118:910 119:1229 120:355 121:699
122:1658 123:1103 124:1382 125:1252 128:561 129:195
130:250 131:634 132:177 133:22 134:248 135:62
136:214 137:240 138:359 139:183 140:493 141:244
142:414 143:566 144:524 145:70 146:503 147:297
148:770 149:296 150:191 151:177 152:469 153:172
154:12 155:402 156:223 157:382 158:183 159:551
160:340 161:265 162:347 163:188 164:606 165:398
166:571 167:469 168:863 169:126 170:868 171:131
172:4 173:1743 174:580 175:431 176:586 177:754
178:1369 180:1214 181:83 182:1000 183:296 184:494
185:1 186:2302 187:1079 188:1275 189:1806 190:5511
192:5999 193:5444 194:4181 195:3219 196:1289 197:136
198:3658 199:4628 200:5840 201:1935 202:8584 203:8597
204:4335 205:2544 206:2765 207:2801 208:4062 209:3625
210:2754 211:1518 212:2030 213:1941 214:870 215:103
216:5096 217:1549 218:544 219:314 220:1238 221:557
222:324 223:337

End of report


cscora at apnic

May 25, 2012, 12:03 PM

Post #75 of 93 (1983 views)
Permalink
Weekly Routing Table Report [In reply to]

This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats [at] lists

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz [at] gmail>.

Routing Table Report 04:00 +10GMT Sat 26 May, 2012

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 411471
Prefixes after maximum aggregation: 174357
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 200214
Total ASes present in the Internet Routing Table: 41122
Prefixes per ASN: 10.01
Origin-only ASes present in the Internet Routing Table: 33227
Origin ASes announcing only one prefix: 15654
Transit ASes present in the Internet Routing Table: 5503
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 29
Max AS path prepend of ASN ( 2115) 25
Prefixes from unregistered ASNs in the Routing Table: 385
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 2738
Number of 32-bit ASNs visible in the Routing Table: 2392
Prefixes from 32-bit ASNs in the Routing Table: 6078
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 116
Number of addresses announced to Internet: 2553429168
Equivalent to 152 /8s, 50 /16s and 60 /24s
Percentage of available address space announced: 68.9
Percentage of allocated address space announced: 69.0
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 92.6
Total number of prefixes smaller than registry allocations: 175392

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 100470
Total APNIC prefixes after maximum aggregation: 32508
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 96903
Unique aggregates announced from the APNIC address blocks: 40056
APNIC Region origin ASes present in the Internet Routing Table: 4698
APNIC Prefixes per ASN: 20.63
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 732
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 217
Number of APNIC addresses announced to Internet: 646675008
Equivalent to 38 /8s, 139 /16s and 122 /24s
Percentage of available APNIC address space announced: 82.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 151368
Total ARIN prefixes after maximum aggregation: 76847
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 121901
Unique aggregates announced from the ARIN address blocks: 51066
ARIN Region origin ASes present in the Internet Routing Table: 15130
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5742
ARIN Region transit ASes present in the Internet Routing Table: 1602
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 812317120
Equivalent to 48 /8s, 106 /16s and 249 /24s
Percentage of available ARIN address space announced: 64.8

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 102332
Total RIPE prefixes after maximum aggregation: 54493
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 94402
Unique aggregates announced from the RIPE address blocks: 59288
RIPE Region origin ASes present in the Internet Routing Table: 16590
RIPE Prefixes per ASN: 5.69
RIPE Region origin ASes announcing only one prefix: 8060
RIPE Region transit ASes present in the Internet Routing Table: 2655
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1591
Number of RIPE addresses announced to Internet: 514347400
Equivalent to 30 /8s, 168 /16s and 81 /24s
Percentage of available RIPE address space announced: 82.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 41693
Total LACNIC prefixes after maximum aggregation: 8266
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 41798
Unique aggregates announced from the LACNIC address blocks: 20439
LACNIC Region origin ASes present in the Internet Routing Table: 1597
LACNIC Prefixes per ASN: 26.17
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 308
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 563
Number of LACNIC addresses announced to Internet: 101399432
Equivalent to 6 /8s, 11 /16s and 59 /24s
Percentage of available LACNIC address space announced: 67.2

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 9337
Total AfriNIC prefixes after maximum aggregation: 2175
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 7389
Unique aggregates announced from the AfriNIC address blocks: 2197
AfriNIC Region origin ASes present in the Internet Routing Table: 541
AfriNIC Prefixes per ASN: 13.66
AfriNIC Region origin ASes announcing only one prefix: 167
AfriNIC Region transit ASes present in the Internet Routing Table: 119
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 31746304
Equivalent to 1 /8s, 228 /16s and 105 /24s
Percentage of available AfriNIC address space announced: 47.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2635 11114 1120 Korea Telecom (KIX)
17974 1925 530 80 PT TELEKOMUNIKASI INDONESIA
7545 1671 301 87 TPG Internet Pty Ltd
4755 1577 385 155 TATA Communications formerly
9829 1298 1085 28 BSNL National Internet Backbo
7552 1173 1062 11 Vietel Corporation
9583 1156 87 503 Sify Limited
4808 1105 2050 317 CNCGROUP IP network: China169
24560 1027 385 167 Bharti Airtel Ltd., Telemedia
9498 965 291 64 BHARTI Airtel Ltd.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3413 3807 193 bellsouth.net, inc.
7029 3335 986 159 Windstream Communications Inc
18566 2093 382 181 Covad Communications
1785 1909 681 131 PaeTec Communications, Inc.
20115 1639 1566 616 Charter Communications
22773 1608 2911 121 Cox Communications, Inc.
4323 1566 1040 379 Time Warner Telecom
30036 1401 260 760 Mediacom Communications Corp
7018 1224 10031 821 AT&T WorldNet Services
7011 1188 317 681 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8402 1718 544 16 Corbina telecom
2118 1312 97 14 EUnet/RELCOM Autonomous Syste
34984 697 188 172 BILISIM TELEKOM
12479 692 678 70 Uni2 Autonomous System
31148 684 37 9 FreeNet ISP
20940 669 221 522 Akamai Technologies European
6830 655 2215 426 UPC Distribution Services
8551 577 362 71 Bezeq International
3320 489 8442 402 Deutsche Telekom AG
3292 471 2108 407 TDC Tele Danmark

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1917 340 202 TVCABLE BOGOTA
28573 1891 1171 59 NET Servicos de Comunicao S.A
6503 1539 418 65 AVANTEL, S.A.
8151 1483 3054 337 UniNet S.A. de C.V.
7303 1435 901 191 Telecom Argentina Stet-France
26615 902 760 32 Tim Brasil S.A.
27947 689 73 95 Telconet S.A
11172 642 91 73 Servicios Alestra S.A de C.V
3816 584 247 89 Empresa Nacional de Telecomun
22047 582 326 15 VTR PUNTO NET S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 1367 957 12 TEDATA
24863 846 274 35 LINKdotNET AS number
6713 496 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 205 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
16637 171 666 83 MTN Network Solutions
15706 164 32 6 Sudatel Internet Exchange Aut
29571 157 15 16 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3413 3807 193 bellsouth.net, inc.
7029 3335 986 159 Windstream Communications Inc
4766 2635 11114 1120 Korea Telecom (KIX)
18566 2093 382 181 Covad Communications
17974 1925 530 80 PT TELEKOMUNIKASI INDONESIA
10620 1917 340 202 TVCABLE BOGOTA
1785 1909 681 131 PaeTec Communications, Inc.
28573 1891 1171 59 NET Servicos de Comunicao S.A
8402 1718 544 16 Corbina telecom
7545 1671 301 87 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
7029 3335 3176 Windstream Communications Inc
18566 2093 1912 Covad Communications
17974 1925 1845 PT TELEKOMUNIKASI INDONESIA
28573 1891 1832 NET Servicos de Comunicao S.A
1785 1909 1778 PaeTec Communications, Inc.
10620 1917 1715 TVCABLE BOGOTA
8402 1718 1702 Corbina telecom
7545 1671 1584 TPG Internet Pty Ltd
4766 2635 1515 Korea Telecom (KIX)
22773 1608 1487 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
32873 UNALLOCATED 12.46.102.0/24 10912 InterNAP Network Ser
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.44.40.0/21 23456 32-bit ASN transition
5.44.96.0/22 31342 AS from Clanotopia IT-Service
5.44.100.0/22 31342 AS from Clanotopia IT-Service
5.44.104.0/22 29066 velia.net
5.44.184.0/21 23456 32-bit ASN transition
5.44.216.0/21 51109 CAMELHOST SIA
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:29 /11:81 /12:235
/13:462 /14:832 /15:1502 /16:12299 /17:6299 /18:10615
/19:20778 /20:29474 /21:30834 /22:40476 /23:38421 /24:215321
/25:1229 /26:1457 /27:821 /28:169 /29:67 /30:17
/31:0 /32:22

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
7029 2995 3335 Windstream Communications Inc
6389 2132 3413 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1734 1917 TVCABLE BOGOTA
8402 1696 1718 Corbina telecom
30036 1342 1401 Mediacom Communications Corp
6503 1293 1539 AVANTEL, S.A.
8452 1169 1367 TEDATA
11492 1149 1186 Cable One
7011 1073 1188 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:547 2:744 4:13 5:35 6:3 8:420
12:2006 13:1 14:618 15:12 16:3 17:5
20:23 23:173 24:1773 27:1319 31:1025 32:57
33:2 34:2 36:8 37:623 38:807 40:121
41:3203 42:137 44:3 46:1415 47:3 49:452
50:548 52:13 54:12 55:9 56:3 57:33
58:961 59:496 60:254 61:1217 62:1003 63:2036
64:4237 65:2249 66:4480 67:2008 68:1160 69:3196
70:933 71:494 72:1824 74:2599 75:493 76:328
77:952 78:984 79:492 80:1222 81:936 82:659
83:543 84:491 85:1221 86:438 87:907 88:340
89:1718 90:289 91:4854 92:550 93:1333 94:1517
95:1171 96:368 97:313 98:860 99:38 100:7
101:192 103:1105 106:104 107:185 108:307 109:1342
110:753 111:923 112:409 113:591 114:628 115:838
116:936 117:724 118:906 119:1236 120:357 121:698
122:1663 123:1103 124:1379 125:1254 128:554 129:195
130:245 131:631 132:287 133:22 134:248 135:59
136:214 137:187 138:359 139:186 140:496 141:243
142:417 143:555 144:535 145:70 146:506 147:286
148:775 149:298 150:191 151:177 152:468 153:172
154:12 155:401 156:223 157:381 158:186 159:556
160:340 161:265 162:345 163:190 164:606 165:397
166:593 167:466 168:862 169:126 170:875 171:131
172:4 173:1746 174:578 175:431 176:526 177:797
178:1380 180:1211 181:85 182:1005 183:226 184:497
185:1 186:2284 187:1098 188:1276 189:1804 190:5536
192:5996 193:5562 194:4526 195:3418 196:1208 197:148
198:3659 199:4650 200:5857 201:1940 202:8585 203:8607
204:4340 205:2550 206:2763 207:2802 208:4059 209:3629
210:2766 211:1534 212:2031 213:1934 214:863 215:103
216:5096 217:1550 218:553 219:314 220:1240 221:563
222:325 223:359

End of report

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