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cscora at apnic

Sep 4, 2009, 11:12 AM

Post #126 of 149 (2596 views)
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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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 05 Sep, 2009

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

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

BGP routing table entries examined: 294331
Prefixes after maximum aggregation: 139398
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 147041
Total ASes present in the Internet Routing Table: 32126
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 27940
Origin ASes announcing only one prefix: 13641
Transit ASes present in the Internet Routing Table: 4186
Transit-only ASes present in the Internet Routing Table: 104
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 407
Unregistered ASNs in the Routing Table: 114
Number of 32-bit ASNs allocated by the RIRs: 260
Prefixes from 32-bit ASNs in the Routing Table: 105
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 319
Number of addresses announced to Internet: 2101706432
Equivalent to 125 /8s, 69 /16s and 126 /24s
Percentage of available address space announced: 56.7
Percentage of allocated address space announced: 64.9
Percentage of available address space allocated: 87.3
Percentage of address space in use by end-sites: 78.8
Total number of prefixes smaller than registry allocations: 140659

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

Prefixes being announced by APNIC Region ASes: 70157
Total APNIC prefixes after maximum aggregation: 24968
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69597
Unique aggregates announced from the APNIC address blocks: 31670
APNIC Region origin ASes present in the Internet Routing Table: 3774
APNIC Prefixes per ASN: 18.44
APNIC Region origin ASes announcing only one prefix: 1035
APNIC Region transit ASes present in the Internet Routing Table: 580
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 493030848
Equivalent to 29 /8s, 99 /16s and 13 /24s
Percentage of available APNIC address space announced: 84.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 124764
Total ARIN prefixes after maximum aggregation: 66482
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 125341
Unique aggregates announced from the ARIN address blocks: 52721
ARIN Region origin ASes present in the Internet Routing Table: 13211
ARIN Prefixes per ASN: 9.49
ARIN Region origin ASes announcing only one prefix: 5107
ARIN Region transit ASes present in the Internet Routing Table: 1297
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1013346368
Equivalent to 60 /8s, 102 /16s and 112 /24s
Percentage of available ARIN address space announced: 88.8

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
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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 67698
Total RIPE prefixes after maximum aggregation: 39917
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 67311
Unique aggregates announced from the RIPE address blocks: 45605
RIPE Region origin ASes present in the Internet Routing Table: 13456
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 7031
RIPE Region transit ASes present in the Internet Routing Table: 2002
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 499964864
Equivalent to 29 /8s, 204 /16s and 219 /24s
Percentage of available RIPE address space announced: 99.3

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
RIPE Address Blocks 25/8, 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, 178/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 25342
Total LACNIC prefixes after maximum aggregation: 6213
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 25334
Unique aggregates announced from the LACNIC address blocks: 14125
LACNIC Region origin ASes present in the Internet Routing Table: 1174
LACNIC Prefixes per ASN: 21.58
LACNIC Region origin ASes announcing only one prefix: 380
LACNIC Region transit ASes present in the Internet Routing Table: 192
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 73761280
Equivalent to 4 /8s, 101 /16s and 130 /24s
Percentage of available LACNIC address space announced: 73.3

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

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

Prefixes being announced by AfriNIC Region ASes: 6028
Total AfriNIC prefixes after maximum aggregation: 1570
AfriNIC Deaggregation factor: 3.84
Prefixes being announced from the AfriNIC address blocks: 6429
Unique aggregates announced from the AfriNIC address blocks: 2659
AfriNIC Region origin ASes present in the Internet Routing Table: 313
AfriNIC Prefixes per ASN: 20.54
AfriNIC Region origin ASes announcing only one prefix: 88
AfriNIC Region transit ASes present in the Internet Routing Table: 67
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 20185600
Equivalent to 1 /8s, 52 /16s and 2 /24s
Percentage of available AfriNIC address space announced: 60.2

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,

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

ASN No of nets /20 equiv MaxAgg Description
4766 1723 6982 427 Korea Telecom (KIX)
17488 1553 140 103 Hathway IP Over Cable Interne
4755 1231 292 141 TATA Communications formerly
9583 1095 87 534 Sify Limited
4134 1001 18165 390 CHINANET-BACKBONE
18101 952 201 31 Reliance Infocom Ltd Internet
7545 822 198 102 TPG Internet Pty Ltd
9829 798 625 18 BSNL National Internet Backbo
23577 770 33 654 Korea Telecom (ATM-MPLS)
4808 767 1531 182 CNCGROUP IP network: China169

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4178 3610 312 bellsouth.net, inc.
4323 1924 1049 387 Time Warner Telecom
1785 1736 714 137 PaeTec Communications, Inc.
7018 1495 5908 1059 AT&T WorldNet Services
20115 1472 1475 683 Charter Communications
6478 1396 281 260 AT&T Worldnet Services
2386 1289 655 936 AT&T Data Communications Serv
3356 1218 10980 440 Level 3 Communications, LLC
22773 1095 2604 66 Cox Communications, Inc.
11492 1092 208 12 Cable One

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 487 92 197 Evolva Telecom
12479 477 578 6 Uni2 Autonomous System
3292 458 1904 395 TDC Tele Danmark
702 426 1821 344 UUNET - Commercial IP service
35805 385 40 5 United Telecom of Georgia
9198 368 138 12 Kazakhtelecom Data Network Ad
8866 358 109 22 Bulgarian Telecommunication C
3320 353 7067 303 Deutsche Telekom AG
3301 347 1412 308 TeliaNet Sweden
3215 344 3081 109 France Telecom Transpac

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1477 2898 242 UniNet S.A. de C.V.
10620 1009 226 99 TVCABLE BOGOTA
28573 697 607 61 NET Servicos de Comunicao S.A
7303 635 336 93 Telecom Argentina Stet-France
22047 542 302 14 VTR PUNTO NET S.A.
11830 476 310 58 Instituto Costarricense de El
11172 441 99 70 Servicios Alestra S.A de C.V
14117 435 29 11 Telefonica del Sur S.A.
6471 421 96 31 ENTEL CHILE S.A.
7738 419 858 29 Telecomunicacoes da Bahia S.A

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 989 188 7 TEDATA
24863 884 94 60 LINKdotNET AS number
20858 296 34 6 EgyNet
3741 274 856 235 The Internet Solution
2018 202 180 142 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
29571 139 14 6 Ci Telecom Autonomous system
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
33776 115 7 11 Starcomms Nigeria Limited

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4178 3610 312 bellsouth.net, inc.
4323 1924 1049 387 Time Warner Telecom
1785 1736 714 137 PaeTec Communications, Inc.
4766 1723 6982 427 Korea Telecom (KIX)
17488 1553 140 103 Hathway IP Over Cable Interne
7018 1495 5908 1059 AT&T WorldNet Services
8151 1477 2898 242 UniNet S.A. de C.V.
20115 1472 1475 683 Charter Communications
6478 1396 281 260 AT&T Worldnet Services
2386 1289 655 936 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
1785 1736 1599 PaeTec Communications, Inc.
4323 1924 1537 Time Warner Telecom
17488 1553 1450 Hathway IP Over Cable Interne
4766 1723 1296 Korea Telecom (KIX)
8151 1477 1235 UniNet S.A. de C.V.
6478 1396 1136 AT&T Worldnet Services
4755 1231 1090 TATA Communications formerly
11492 1092 1080 Cable One
18566 1062 1052 Covad Communications
22773 1095 1029 Cox Communications, Inc.

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
43.245.96.0/20 7502 Internetwork Kyoto
43.245.112.0/20 7502 Internetwork Kyoto
43.245.192.0/20 7502 Internetwork Kyoto
43.245.208.0/20 7502 Internetwork Kyoto
43.245.224.0/20 7502 Internetwork Kyoto
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /9:10 /10:25 /11:62 /12:168
/13:351 /14:624 /15:1181 /16:10644 /17:4824 /18:8362
/19:17349 /20:20714 /21:20551 /22:26629 /23:26406 /24:153628
/25:946 /26:1077 /27:583 /28:153 /29:8 /30:9
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2708 4178 bellsouth.net, inc.
4766 1408 1723 Korea Telecom (KIX)
17488 1299 1553 Hathway IP Over Cable Interne
1785 1206 1736 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1021 1092 Cable One
4323 968 1924 Time Warner Telecom
9583 947 1095 Sify Limited
10620 915 1009 TVCABLE BOGOTA
8452 913 989 TEDATA

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

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

4:14 8:213 12:2137 13:7 15:21 16:3
17:5 20:35 24:1117 32:52 34:2 38:598
40:97 41:1730 43:1 44:2 47:20 52:6
55:2 56:2 57:25 58:595 59:607 60:461
61:958 62:1074 63:2013 64:3631 65:2392 66:3438
67:1773 68:946 69:2733 70:557 71:163 72:1682
73:2 74:1732 75:179 76:322 77:861 78:577
79:375 80:913 81:819 82:528 83:426 84:638
85:1042 86:378 87:674 88:369 89:1472 90:52
91:2520 92:397 93:1134 94:1155 95:912 96:166
97:268 98:271 99:30 109:1 110:184 111:398
112:128 113:151 114:243 115:306 116:1135 117:565
118:322 119:774 120:122 121:652 122:1247 123:761
124:1067 125:1356 128:223 129:219 130:129 131:420
132:75 133:9 134:174 135:42 136:225 137:161
138:171 139:84 140:442 141:125 142:385 143:332
144:385 145:49 146:390 147:157 148:530 149:213
150:205 151:186 152:210 153:153 154:2 155:279
156:167 157:305 158:112 159:349 160:291 161:164
162:270 163:159 164:276 165:526 166:474 167:365
168:708 169:167 170:481 171:42 172:2 173:407
174:332 175:1 178:1 180:17 182:1 186:141
187:150 188:761 189:580 190:3026 192:5766 193:4251
194:3284 195:2742 196:1126 198:3543 199:3356 200:5178
201:1306 202:7783 203:8285 204:3890 205:2195 206:2391
207:2739 208:3948 209:3406 210:2543 211:1107 212:1602
213:1649 214:174 215:32 216:4292 217:1334 218:411
219:414 220:1110 221:462 222:323

End of report

cscora at apnic

Sep 11, 2009, 11:11 AM

Post #127 of 149 (2564 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 12 Sep, 2009

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

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

BGP routing table entries examined: 295211
Prefixes after maximum aggregation: 139476
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 147649
Total ASes present in the Internet Routing Table: 32157
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 27945
Origin ASes announcing only one prefix: 13653
Transit ASes present in the Internet Routing Table: 4212
Transit-only ASes present in the Internet Routing Table: 101
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 422
Unregistered ASNs in the Routing Table: 115
Number of 32-bit ASNs allocated by the RIRs: 266
Prefixes from 32-bit ASNs in the Routing Table: 120
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 231
Number of addresses announced to Internet: 2104209216
Equivalent to 125 /8s, 107 /16s and 175 /24s
Percentage of available address space announced: 56.8
Percentage of allocated address space announced: 65.0
Percentage of available address space allocated: 87.3
Percentage of address space in use by end-sites: 78.8
Total number of prefixes smaller than registry allocations: 141055

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

Prefixes being announced by APNIC Region ASes: 70468
Total APNIC prefixes after maximum aggregation: 24950
APNIC Deaggregation factor: 2.82
Prefixes being announced from the APNIC address blocks: 66937
Unique aggregates announced from the APNIC address blocks: 30456
APNIC Region origin ASes present in the Internet Routing Table: 3784
APNIC Prefixes per ASN: 17.69
APNIC Region origin ASes announcing only one prefix: 1037
APNIC Region transit ASes present in the Internet Routing Table: 588
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 458005344
Equivalent to 27 /8s, 76 /16s and 155 /24s
Percentage of available APNIC address space announced: 78.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 124876
Total ARIN prefixes after maximum aggregation: 66495
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 99443
Unique aggregates announced from the ARIN address blocks: 38338
ARIN Region origin ASes present in the Internet Routing Table: 13222
ARIN Prefixes per ASN: 7.52
ARIN Region origin ASes announcing only one prefix: 5117
ARIN Region transit ASes present in the Internet Routing Table: 1294
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 707359360
Equivalent to 42 /8s, 41 /16s and 114 /24s
Percentage of available ARIN address space announced: 62.0

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 68016
Total RIPE prefixes after maximum aggregation: 39994
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 61886
Unique aggregates announced from the RIPE address blocks: 41336
RIPE Region origin ASes present in the Internet Routing Table: 13459
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7025
RIPE Region transit ASes present in the Internet Routing Table: 2027
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 397595456
Equivalent to 23 /8s, 178 /16s and 211 /24s
Percentage of available RIPE address space announced: 79.0

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, 196608-197631
RIPE Address Blocks 25/8, 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, 178/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 25363
Total LACNIC prefixes after maximum aggregation: 6220
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 23699
Unique aggregates announced from the LACNIC address blocks: 13207
LACNIC Region origin ASes present in the Internet Routing Table: 1177
LACNIC Prefixes per ASN: 20.14
LACNIC Region origin ASes announcing only one prefix: 379
LACNIC Region transit ASes present in the Internet Routing Table: 191
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 66365952
Equivalent to 3 /8s, 244 /16s and 170 /24s
Percentage of available LACNIC address space announced: 65.9

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

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

Prefixes being announced by AfriNIC Region ASes: 6131
Total AfriNIC prefixes after maximum aggregation: 1561
AfriNIC Deaggregation factor: 3.93
Prefixes being announced from the AfriNIC address blocks: 4483
Unique aggregates announced from the AfriNIC address blocks: 1517
AfriNIC Region origin ASes present in the Internet Routing Table: 320
AfriNIC Prefixes per ASN: 14.01
AfriNIC Region origin ASes announcing only one prefix: 95
AfriNIC Region transit ASes present in the Internet Routing Table: 68
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12306688
Equivalent to 0 /8s, 187 /16s and 201 /24s
Percentage of available AfriNIC address space announced: 36.7

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1729 6982 427 Korea Telecom (KIX)
17488 1542 137 102 Hathway IP Over Cable Interne
4755 1258 292 143 TATA Communications formerly
9583 1097 87 533 Sify Limited
4134 1006 18167 389 CHINANET-BACKBONE
18101 959 201 32 Reliance Infocom Ltd Internet
7545 842 198 99 TPG Internet Pty Ltd
9829 811 625 18 BSNL National Internet Backbo
4808 766 1534 183 CNCGROUP IP network: China169
23577 763 33 648 Korea Telecom (ATM-MPLS)

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4173 3626 313 bellsouth.net, inc.
4323 1927 1049 389 Time Warner Telecom
1785 1739 714 138 PaeTec Communications, Inc.
7018 1526 5909 1059 AT&T WorldNet Services
20115 1479 1477 674 Charter Communications
6478 1405 282 249 AT&T Worldnet Services
2386 1292 654 939 AT&T Data Communications Serv
3356 1226 10980 439 Level 3 Communications, LLC
11492 1120 208 12 Cable One
22773 1099 2604 66 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 489 92 199 Evolva Telecom
3292 448 1901 395 TDC Tele Danmark
12479 426 578 6 Uni2 Autonomous System
702 425 1821 343 UUNET - Commercial IP service
35805 386 40 5 United Telecom of Georgia
9198 375 138 12 Kazakhtelecom Data Network Ad
8866 358 110 23 Bulgarian Telecommunication C
3320 354 7067 303 Deutsche Telekom AG
3301 350 1412 309 TeliaNet Sweden
3215 347 3121 111 France Telecom Transpac

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1495 2899 243 UniNet S.A. de C.V.
10620 1013 226 97 TVCABLE BOGOTA
28573 707 620 61 NET Servicos de Comunicao S.A
7303 635 336 93 Telecom Argentina Stet-France
22047 542 302 14 VTR PUNTO NET S.A.
11830 476 310 58 Instituto Costarricense de El
11172 441 99 69 Servicios Alestra S.A de C.V
7738 424 858 29 Telecomunicacoes da Bahia S.A
6471 421 96 31 ENTEL CHILE S.A.
3816 401 191 79 Empresa Nacional de Telecomun

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 992 188 7 TEDATA
24863 947 96 57 LINKdotNET AS number
20858 296 34 6 EgyNet
3741 275 856 236 The Internet Solution
2018 207 180 142 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
29571 139 14 6 Ci Telecom Autonomous system
24835 131 46 9 RAYA Telecom - Egypt
33776 123 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4173 3626 313 bellsouth.net, inc.
4323 1927 1049 389 Time Warner Telecom
1785 1739 714 138 PaeTec Communications, Inc.
4766 1729 6982 427 Korea Telecom (KIX)
17488 1542 137 102 Hathway IP Over Cable Interne
7018 1526 5909 1059 AT&T WorldNet Services
8151 1495 2899 243 UniNet S.A. de C.V.
20115 1479 1477 674 Charter Communications
6478 1405 282 249 AT&T Worldnet Services
2386 1292 654 939 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
1785 1739 1601 PaeTec Communications, Inc.
4323 1927 1538 Time Warner Telecom
17488 1542 1440 Hathway IP Over Cable Interne
4766 1729 1302 Korea Telecom (KIX)
8151 1495 1252 UniNet S.A. de C.V.
6478 1405 1156 AT&T Worldnet Services
4755 1258 1115 TATA Communications formerly
11492 1120 1108 Cable One
18566 1062 1052 Covad Communications
22773 1099 1033 Cox Communications, Inc.

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
43.245.96.0/20 7502 Internetwork Kyoto
43.245.112.0/20 7502 Internetwork Kyoto
43.245.192.0/20 7502 Internetwork Kyoto
43.245.208.0/20 7502 Internetwork Kyoto
43.245.224.0/20 7502 Internetwork Kyoto
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /9:10 /10:25 /11:62 /12:174
/13:350 /14:627 /15:1192 /16:10662 /17:4823 /18:8391
/19:17402 /20:20778 /21:20625 /22:26667 /23:26514 /24:154117
/25:942 /26:1080 /27:575 /28:151 /29:8 /30:9
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2705 4173 bellsouth.net, inc.
4766 1408 1729 Korea Telecom (KIX)
17488 1291 1542 Hathway IP Over Cable Interne
1785 1206 1739 PaeTec Communications, Inc.
11492 1047 1120 Cable One
18566 1043 1062 Covad Communications
4323 969 1927 Time Warner Telecom
9583 949 1097 Sify Limited
10620 919 1013 TVCABLE BOGOTA
8452 914 992 TEDATA

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

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

4:13 8:214 12:2143 13:7 15:21 16:3
17:5 20:36 24:1129 32:52 34:2 38:603
40:97 41:1719 43:1 44:2 47:24 52:6
55:2 56:2 57:25 58:606 59:610 60:458
61:962 62:1081 63:2009 64:3623 65:2392 66:3414
67:1761 68:980 69:2749 70:569 71:154 72:1682
73:2 74:1734 75:179 76:321 77:873 78:582
79:380 80:918 81:807 82:525 83:435 84:641
85:1028 86:379 87:680 88:383 89:1469 90:49
91:2536 92:399 93:1149 94:1168 95:1087 96:167
97:268 98:262 99:30 109:3 110:191 111:430
112:131 113:154 114:246 115:312 116:1135 117:572
118:329 119:772 120:122 121:652 122:1259 123:767
124:1050 125:1355 128:222 129:214 130:129 131:420
132:75 133:9 134:173 135:42 136:224 137:164
138:172 139:84 140:432 141:125 142:382 143:335
144:380 145:49 146:390 147:162 148:533 149:212
150:206 151:187 152:210 153:155 154:2 155:282
156:168 157:306 158:112 159:350 160:291 161:164
162:270 163:164 164:276 165:528 166:474 167:368
168:708 169:167 170:475 171:42 172:2 173:408
174:310 175:1 178:1 180:22 182:1 186:147
187:150 188:940 189:604 190:2973 192:5773 193:4251
194:3286 195:2756 196:1145 198:3548 199:3353 200:5188
201:1297 202:7833 203:8278 204:3894 205:2195 206:2391
207:2721 208:3942 209:3396 210:2542 211:1108 212:1582
213:1655 214:170 215:33 216:4281 217:1308 218:411
219:427 220:1110 221:442 222:322

End of report

cscora at apnic

Sep 18, 2009, 11:14 AM

Post #128 of 149 (2510 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 19 Sep, 2009

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

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

BGP routing table entries examined: 296617
Prefixes after maximum aggregation: 139697
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 147808
Total ASes present in the Internet Routing Table: 32213
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 27997
Origin ASes announcing only one prefix: 13673
Transit ASes present in the Internet Routing Table: 4216
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 432
Unregistered ASNs in the Routing Table: 121
Number of 32-bit ASNs allocated by the RIRs: 275
Prefixes from 32-bit ASNs in the Routing Table: 126
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 229
Number of addresses announced to Internet: 2107111040
Equivalent to 125 /8s, 151 /16s and 246 /24s
Percentage of available address space announced: 56.8
Percentage of allocated address space announced: 65.1
Percentage of available address space allocated: 87.3
Percentage of address space in use by end-sites: 78.9
Total number of prefixes smaller than registry allocations: 142159

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

Prefixes being announced by APNIC Region ASes: 71434
Total APNIC prefixes after maximum aggregation: 25020
APNIC Deaggregation factor: 2.86
Prefixes being announced from the APNIC address blocks: 67830
Unique aggregates announced from the APNIC address blocks: 30301
APNIC Region origin ASes present in the Internet Routing Table: 3792
APNIC Prefixes per ASN: 17.89
APNIC Region origin ASes announcing only one prefix: 1036
APNIC Region transit ASes present in the Internet Routing Table: 583
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 460221984
Equivalent to 27 /8s, 110 /16s and 110 /24s
Percentage of available APNIC address space announced: 78.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 125111
Total ARIN prefixes after maximum aggregation: 66615
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 99638
Unique aggregates announced from the ARIN address blocks: 38372
ARIN Region origin ASes present in the Internet Routing Table: 13244
ARIN Prefixes per ASN: 7.52
ARIN Region origin ASes announcing only one prefix: 5129
ARIN Region transit ASes present in the Internet Routing Table: 1300
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 705394816
Equivalent to 42 /8s, 11 /16s and 120 /24s
Percentage of available ARIN address space announced: 61.8

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 68436
Total RIPE prefixes after maximum aggregation: 40022
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62149
Unique aggregates announced from the RIPE address blocks: 41489
RIPE Region origin ASes present in the Internet Routing Table: 13484
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7037
RIPE Region transit ASes present in the Internet Routing Table: 2031
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 399639232
Equivalent to 23 /8s, 210 /16s and 2 /24s
Percentage of available RIPE address space announced: 79.4

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, 196608-197631
RIPE Address Blocks 25/8, 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, 178/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 25376
Total LACNIC prefixes after maximum aggregation: 6231
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 23706
Unique aggregates announced from the LACNIC address blocks: 13257
LACNIC Region origin ASes present in the Internet Routing Table: 1177
LACNIC Prefixes per ASN: 20.14
LACNIC Region origin ASes announcing only one prefix: 381
LACNIC Region transit ASes present in the Internet Routing Table: 189
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 66558464
Equivalent to 3 /8s, 247 /16s and 154 /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 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 5892
Total AfriNIC prefixes after maximum aggregation: 1545
AfriNIC Deaggregation factor: 3.81
Prefixes being announced from the AfriNIC address blocks: 4268
Unique aggregates announced from the AfriNIC address blocks: 1495
AfriNIC Region origin ASes present in the Internet Routing Table: 319
AfriNIC Prefixes per ASN: 13.38
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 68
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12382208
Equivalent to 0 /8s, 188 /16s and 240 /24s
Percentage of available AfriNIC address space announced: 36.9

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1761 6995 453 Korea Telecom (KIX)
17488 1547 138 105 Hathway IP Over Cable Interne
4755 1263 292 143 TATA Communications formerly
9583 1098 87 533 Sify Limited
4134 1008 18168 391 CHINANET-BACKBONE
18101 976 203 33 Reliance Infocom Ltd Internet
7545 857 198 100 TPG Internet Pty Ltd
9829 812 625 18 BSNL National Internet Backbo
24560 766 284 166 Bharti Airtel Ltd., Telemedia
4808 764 1518 182 CNCGROUP IP network: China169

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4170 3627 313 bellsouth.net, inc.
4323 1927 1049 386 Time Warner Telecom
1785 1742 714 138 PaeTec Communications, Inc.
20115 1641 1478 673 Charter Communications
7018 1488 5875 1053 AT&T WorldNet Services
6478 1427 284 259 AT&T Worldnet Services
2386 1313 656 951 AT&T Data Communications Serv
3356 1227 10980 439 Level 3 Communications, LLC
11492 1123 208 12 Cable One
22773 1102 2604 66 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 491 93 200 Evolva Telecom
3292 447 1900 394 TDC Tele Danmark
12479 424 578 6 Uni2 Autonomous System
702 423 1821 341 UUNET - Commercial IP service
35805 392 40 5 United Telecom of Georgia
9198 376 138 12 Kazakhtelecom Data Network Ad
8866 358 110 23 Bulgarian Telecommunication C
3320 354 7067 303 Deutsche Telekom AG
3301 349 1412 309 TeliaNet Sweden
3215 347 3121 111 France Telecom Transpac

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1476 2899 246 UniNet S.A. de C.V.
10620 1010 226 99 TVCABLE BOGOTA
28573 710 622 62 NET Servicos de Comunicao S.A
7303 640 339 90 Telecom Argentina Stet-France
22047 542 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 439 99 70 Servicios Alestra S.A de C.V
7738 424 858 29 Telecomunicacoes da Bahia S.A
6471 423 96 31 ENTEL CHILE S.A.
14117 418 29 11 Telefonica del Sur S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 978 188 7 TEDATA
24863 935 96 61 LINKdotNET AS number
3741 272 856 234 The Internet Solution
2018 197 187 116 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
29571 139 14 6 Ci Telecom Autonomous system
24835 123 46 9 RAYA Telecom - Egypt
33776 123 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4170 3627 313 bellsouth.net, inc.
4323 1927 1049 386 Time Warner Telecom
4766 1761 6995 453 Korea Telecom (KIX)
1785 1742 714 138 PaeTec Communications, Inc.
20115 1641 1478 673 Charter Communications
17488 1547 138 105 Hathway IP Over Cable Interne
7018 1488 5875 1053 AT&T WorldNet Services
8151 1476 2899 246 UniNet S.A. de C.V.
6478 1427 284 259 AT&T Worldnet Services
2386 1313 656 951 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
1785 1742 1604 PaeTec Communications, Inc.
4323 1927 1541 Time Warner Telecom
17488 1547 1442 Hathway IP Over Cable Interne
4766 1761 1308 Korea Telecom (KIX)
8151 1476 1230 UniNet S.A. de C.V.
6478 1427 1168 AT&T Worldnet Services
4755 1263 1120 TATA Communications formerly
11492 1123 1111 Cable One
18566 1062 1052 Covad Communications
22773 1102 1036 Cox Communications, Inc.

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
64.72.112.0/20 19166 Allied Riser Communications,
64.247.160.0/20 10937 Island Internet Services

Complete listing at http://thyme.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 /9:10 /10:24 /11:63 /12:175
/13:355 /14:626 /15:1197 /16:10663 /17:4826 /18:8374
/19:17422 /20:20842 /21:20788 /22:27097 /23:26608 /24:154744
/25:932 /26:1056 /27:567 /28:166 /29:40 /30:15
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2701 4170 bellsouth.net, inc.
4766 1434 1761 Korea Telecom (KIX)
17488 1292 1547 Hathway IP Over Cable Interne
1785 1209 1742 PaeTec Communications, Inc.
11492 1051 1123 Cable One
18566 1043 1062 Covad Communications
4323 968 1927 Time Warner Telecom
9583 950 1098 Sify Limited
10620 916 1010 TVCABLE BOGOTA
8452 902 978 TEDATA

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

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

4:13 8:226 12:2150 13:7 15:21 16:3
17:5 20:36 24:1136 32:52 34:2 38:601
40:97 41:1717 43:1 44:2 47:13 52:6
55:2 56:2 57:25 58:608 59:635 60:461
61:1071 62:1030 63:2013 64:3632 65:2402 66:3402
67:1790 68:979 69:2749 70:569 71:157 72:1657
73:2 74:1745 75:179 76:323 77:872 78:586
79:380 80:900 81:798 82:518 83:437 84:529
85:1029 86:380 87:680 88:386 89:1473 90:55
91:2553 92:404 93:1230 94:1180 95:1098 96:165
97:266 98:287 99:30 109:3 110:201 111:438
112:131 113:150 114:256 115:350 116:1134 117:562
118:329 119:785 120:122 121:772 122:1278 123:768
124:1054 125:1367 128:222 129:217 130:129 131:423
132:75 133:10 134:174 135:42 136:241 137:164
138:173 139:84 140:433 141:121 142:382 143:343
144:377 145:49 146:391 147:163 148:531 149:213
150:208 151:187 152:215 153:155 154:2 155:279
156:165 157:304 158:113 159:352 160:291 161:164
162:271 163:165 164:276 165:522 166:475 167:371
168:685 169:166 170:473 171:40 172:2 173:413
174:331 175:1 178:1 180:25 182:1 186:142
187:147 188:1018 189:571 190:3016 192:5768 193:4269
194:3286 195:2757 196:1141 198:3554 199:3349 200:5188
201:1309 202:7844 203:8269 204:3896 205:2194 206:2391
207:2725 208:3955 209:3394 210:2563 211:1127 212:1603
213:1636 214:178 215:33 216:4282 217:1313 218:410
219:450 220:1132 221:442 222:325

End of report

cscora at apnic

Sep 25, 2009, 11:28 AM

Post #129 of 149 (2477 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 26 Sep, 2009

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

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

BGP routing table entries examined: 298894
Prefixes after maximum aggregation: 140069
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 148203
Total ASes present in the Internet Routing Table: 32275
Prefixes per ASN: 9.26
Origin-only ASes present in the Internet Routing Table: 28043
Origin ASes announcing only one prefix: 13693
Transit ASes present in the Internet Routing Table: 4232
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 31
Max AS path prepend of ASN (45127) 27
Prefixes from unregistered ASNs in the Routing Table: 456
Unregistered ASNs in the Routing Table: 122
Number of 32-bit ASNs allocated by the RIRs: 283
Prefixes from 32-bit ASNs in the Routing Table: 145
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 204
Number of addresses announced to Internet: 2108932864
Equivalent to 125 /8s, 179 /16s and 195 /24s
Percentage of available address space announced: 56.9
Percentage of allocated address space announced: 64.5
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.0
Total number of prefixes smaller than registry allocations: 143732

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

Prefixes being announced by APNIC Region ASes: 71419
Total APNIC prefixes after maximum aggregation: 25067
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 67834
Unique aggregates announced from the APNIC address blocks: 30294
APNIC Region origin ASes present in the Internet Routing Table: 3806
APNIC Prefixes per ASN: 17.82
APNIC Region origin ASes announcing only one prefix: 1047
APNIC Region transit ASes present in the Internet Routing Table: 585
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 31
Number of APNIC addresses announced to Internet: 460581408
Equivalent to 27 /8s, 115 /16s and 234 /24s
Percentage of available APNIC address space announced: 78.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 126988
Total ARIN prefixes after maximum aggregation: 66741
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101421
Unique aggregates announced from the ARIN address blocks: 38445
ARIN Region origin ASes present in the Internet Routing Table: 13258
ARIN Prefixes per ASN: 7.65
ARIN Region origin ASes announcing only one prefix: 5136
ARIN Region transit ASes present in the Internet Routing Table: 1295
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 706192256
Equivalent to 42 /8s, 23 /16s and 163 /24s
Percentage of available ARIN address space announced: 61.9

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 68650
Total RIPE prefixes after maximum aggregation: 40175
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62346
Unique aggregates announced from the RIPE address blocks: 41701
RIPE Region origin ASes present in the Internet Routing Table: 13513
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7037
RIPE Region transit ASes present in the Internet Routing Table: 2041
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 399869888
Equivalent to 23 /8s, 213 /16s and 135 /24s
Percentage of available RIPE address space announced: 74.5

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 25598
Total LACNIC prefixes after maximum aggregation: 6262
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 23876
Unique aggregates announced from the LACNIC address blocks: 13335
LACNIC Region origin ASes present in the Internet Routing Table: 1184
LACNIC Prefixes per ASN: 20.17
LACNIC Region origin ASes announcing only one prefix: 380
LACNIC Region transit ASes present in the Internet Routing Table: 193
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 66545152
Equivalent to 3 /8s, 247 /16s and 102 /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 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 5853
Total AfriNIC prefixes after maximum aggregation: 1554
AfriNIC Deaggregation factor: 3.77
Prefixes being announced from the AfriNIC address blocks: 4236
Unique aggregates announced from the AfriNIC address blocks: 1535
AfriNIC Region origin ASes present in the Internet Routing Table: 319
AfriNIC Prefixes per ASN: 13.28
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 66
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12467968
Equivalent to 0 /8s, 190 /16s and 63 /24s
Percentage of available AfriNIC address space announced: 37.2

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1762 6995 453 Korea Telecom (KIX)
17488 1505 137 104 Hathway IP Over Cable Interne
4755 1260 292 144 TATA Communications formerly
9583 1101 87 530 Sify Limited
4134 1009 18168 391 CHINANET-BACKBONE
18101 975 204 33 Reliance Infocom Ltd Internet
7545 869 198 97 TPG Internet Pty Ltd
9829 813 626 19 BSNL National Internet Backbo
4808 788 1518 181 CNCGROUP IP network: China169
24560 774 285 164 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4168 3627 312 bellsouth.net, inc.
4323 3700 1045 384 Time Warner Telecom
1785 1751 714 138 PaeTec Communications, Inc.
7018 1507 5875 1056 AT&T WorldNet Services
20115 1479 1477 668 Charter Communications
6478 1411 279 301 AT&T Worldnet Services
2386 1321 657 951 AT&T Data Communications Serv
3356 1234 10964 441 Level 3 Communications, LLC
11492 1128 208 12 Cable One
22773 1111 2604 67 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 493 93 202 Evolva Telecom
3292 446 1900 393 TDC Tele Danmark
702 425 1822 343 UUNET - Commercial IP service
12479 425 578 6 Uni2 Autonomous System
35805 415 40 5 United Telecom of Georgia
9198 376 138 12 Kazakhtelecom Data Network Ad
8866 358 110 23 Bulgarian Telecommunication C
3320 353 7068 304 Deutsche Telekom AG
3301 351 1412 308 TeliaNet Sweden
3215 348 3128 110 France Telecom Transpac

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1478 2899 246 UniNet S.A. de C.V.
10620 1015 227 95 TVCABLE BOGOTA
28573 709 622 62 NET Servicos de Comunicao S.A
7303 640 338 94 Telecom Argentina Stet-France
22047 544 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 440 99 70 Servicios Alestra S.A de C.V
14117 435 29 11 Telefonica del Sur S.A.
7738 424 858 29 Telecomunicacoes da Bahia S.A
6471 423 96 31 ENTEL CHILE S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 954 188 7 TEDATA
24863 939 97 62 LINKdotNET AS number
3741 272 856 234 The Internet Solution
2018 197 187 116 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
29571 139 14 6 Ci Telecom Autonomous system
24835 123 46 9 RAYA Telecom - Egypt
5536 122 8 13 Internet Egypt Network
5713 118 520 69 Telkom SA Ltd
20858 106 34 6 EgyNet

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4168 3627 312 bellsouth.net, inc.
4323 3700 1045 384 Time Warner Telecom
4766 1762 6995 453 Korea Telecom (KIX)
1785 1751 714 138 PaeTec Communications, Inc.
7018 1507 5875 1056 AT&T WorldNet Services
17488 1505 137 104 Hathway IP Over Cable Interne
20115 1479 1477 668 Charter Communications
8151 1478 2899 246 UniNet S.A. de C.V.
6478 1411 279 301 AT&T Worldnet Services
2386 1321 657 951 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
4323 3700 3316 Time Warner Telecom
1785 1751 1613 PaeTec Communications, Inc.
17488 1505 1401 Hathway IP Over Cable Interne
4766 1762 1309 Korea Telecom (KIX)
8151 1478 1232 UniNet S.A. de C.V.
4755 1260 1116 TATA Communications formerly
11492 1128 1116 Cable One
6478 1411 1110 AT&T Worldnet Services
18566 1062 1052 Covad Communications
22773 1111 1044 Cox Communications, Inc.

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /9:10 /10:24 /11:63 /12:176
/13:354 /14:625 /15:1199 /16:10676 /17:4832 /18:8367
/19:17456 /20:20856 /21:20870 /22:27113 /23:26778 /24:156686
/25:933 /26:1063 /27:562 /28:169 /29:40 /30:15
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2700 4168 bellsouth.net, inc.
4323 2360 3700 Time Warner Telecom
4766 1435 1762 Korea Telecom (KIX)
17488 1259 1505 Hathway IP Over Cable Interne
1785 1217 1751 PaeTec Communications, Inc.
11492 1054 1128 Cable One
18566 1043 1062 Covad Communications
9583 953 1101 Sify Limited
10620 921 1015 TVCABLE BOGOTA
8452 878 954 TEDATA

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

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

2:1 4:14 8:227 12:2145 13:7 15:22
16:3 17:5 20:36 24:1169 32:52 34:2
38:604 40:97 41:1670 43:1 44:2 46:1
47:16 52:6 55:2 56:2 57:25 58:569
59:648 60:454 61:1075 62:1029 63:2018 64:3740
65:2398 66:4086 67:1776 68:964 69:2768 70:578
71:156 72:1680 73:2 74:1944 75:179 76:319
77:882 78:584 79:395 80:908 81:802 82:505
83:432 84:531 85:1028 86:382 87:683 88:388
89:1485 90:61 91:2563 92:404 93:1246 94:1207
95:1100 96:168 97:267 98:308 99:30 109:42
110:206 111:440 112:138 113:145 114:260 115:350
116:1126 117:571 118:325 119:782 120:132 121:775
122:1289 123:777 124:1048 125:1345 128:222 129:216
130:129 131:424 132:75 133:10 134:173 135:42
136:240 137:164 138:177 139:85 140:441 141:121
142:383 143:336 144:350 145:49 146:390 147:170
148:549 149:213 150:209 151:183 152:215 153:155
154:2 155:270 156:165 157:307 158:113 159:354
160:291 161:164 162:270 163:171 164:280 165:521
166:474 167:375 168:789 169:166 170:473 171:43
172:2 173:417 174:359 175:1 178:1 180:28
182:1 186:143 187:157 188:1011 189:581 190:3063
192:5775 193:4260 194:3290 195:2757 196:1150 198:3557
199:3350 200:5218 201:1320 202:7848 203:8263 204:3932
205:2201 206:2439 207:2988 208:3955 209:3488 210:2555
211:1123 212:1611 213:1621 214:176 215:40 216:4396
217:1311 218:412 219:450 220:1127 221:441 222:317

End of report

cscora at apnic

Oct 2, 2009, 11:45 AM

Post #130 of 149 (2452 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 03 Oct, 2009

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

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

BGP routing table entries examined: 299282
Prefixes after maximum aggregation: 140261
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 148558
Total ASes present in the Internet Routing Table: 32294
Prefixes per ASN: 9.27
Origin-only ASes present in the Internet Routing Table: 28065
Origin ASes announcing only one prefix: 13702
Transit ASes present in the Internet Routing Table: 4229
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 31
Max AS path prepend of ASN (45127) 27
Prefixes from unregistered ASNs in the Routing Table: 529
Unregistered ASNs in the Routing Table: 123
Number of 32-bit ASNs allocated by the RIRs: 289
Prefixes from 32-bit ASNs in the Routing Table: 205
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 2109742304
Equivalent to 125 /8s, 192 /16s and 28 /24s
Percentage of available address space announced: 56.9
Percentage of allocated address space announced: 64.5
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.1
Total number of prefixes smaller than registry allocations: 144036

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

Prefixes being announced by APNIC Region ASes: 71662
Total APNIC prefixes after maximum aggregation: 25237
APNIC Deaggregation factor: 2.84
Prefixes being announced from the APNIC address blocks: 68081
Unique aggregates announced from the APNIC address blocks: 30363
APNIC Region origin ASes present in the Internet Routing Table: 3810
APNIC Prefixes per ASN: 17.87
APNIC Region origin ASes announcing only one prefix: 1047
APNIC Region transit ASes present in the Internet Routing Table: 590
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 31
Number of APNIC addresses announced to Internet: 461477152
Equivalent to 27 /8s, 129 /16s and 149 /24s
Percentage of available APNIC address space announced: 78.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 126890
Total ARIN prefixes after maximum aggregation: 66668
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101368
Unique aggregates announced from the ARIN address blocks: 38486
ARIN Region origin ASes present in the Internet Routing Table: 13250
ARIN Prefixes per ASN: 7.65
ARIN Region origin ASes announcing only one prefix: 5126
ARIN Region transit ASes present in the Internet Routing Table: 1295
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 706349696
Equivalent to 42 /8s, 26 /16s and 10 /24s
Percentage of available ARIN address space announced: 61.9

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 68650
Total RIPE prefixes after maximum aggregation: 40215
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62331
Unique aggregates announced from the RIPE address blocks: 41788
RIPE Region origin ASes present in the Internet Routing Table: 13533
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7052
RIPE Region transit ASes present in the Internet Routing Table: 2037
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 399867584
Equivalent to 23 /8s, 213 /16s and 126 /24s
Percentage of available RIPE address space announced: 74.5

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 25750
Total LACNIC prefixes after maximum aggregation: 6325
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24046
Unique aggregates announced from the LACNIC address blocks: 13497
LACNIC Region origin ASes present in the Internet Routing Table: 1187
LACNIC Prefixes per ASN: 20.26
LACNIC Region origin ASes announcing only one prefix: 382
LACNIC Region transit ASes present in the Internet Routing Table: 193
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 30
Number of LACNIC addresses announced to Internet: 66579712
Equivalent to 3 /8s, 247 /16s and 237 /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 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 5885
Total AfriNIC prefixes after maximum aggregation: 1548
AfriNIC Deaggregation factor: 3.80
Prefixes being announced from the AfriNIC address blocks: 4279
Unique aggregates announced from the AfriNIC address blocks: 1536
AfriNIC Region origin ASes present in the Internet Routing Table: 322
AfriNIC Prefixes per ASN: 13.29
AfriNIC Region origin ASes announcing only one prefix: 95
AfriNIC Region transit ASes present in the Internet Routing Table: 65
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12557312
Equivalent to 0 /8s, 191 /16s and 156 /24s
Percentage of available AfriNIC address space announced: 37.4

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1766 6995 456 Korea Telecom (KIX)
17488 1475 135 142 Hathway IP Over Cable Interne
4755 1256 292 144 TATA Communications formerly
9583 1102 87 531 Sify Limited
4134 1010 18168 391 CHINANET-BACKBONE
18101 979 204 33 Reliance Infocom Ltd Internet
7545 885 198 100 TPG Internet Pty Ltd
9829 805 625 20 BSNL National Internet Backbo
24560 774 285 164 Bharti Airtel Ltd., Telemedia
4808 762 1518 181 CNCGROUP IP network: China169

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4163 3626 313 bellsouth.net, inc.
4323 3692 1037 384 Time Warner Telecom
1785 1758 714 138 PaeTec Communications, Inc.
7018 1522 5859 1054 AT&T WorldNet Services
20115 1475 1475 669 Charter Communications
6478 1413 279 301 AT&T Worldnet Services
2386 1320 656 950 AT&T Data Communications Serv
3356 1227 10963 435 Level 3 Communications, LLC
11492 1130 208 12 Cable One
22773 1111 2604 70 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 494 93 203 Evolva Telecom
3292 446 1900 393 TDC Tele Danmark
35805 442 40 5 United Telecom of Georgia
12479 426 578 6 Uni2 Autonomous System
702 423 1822 341 UUNET - Commercial IP service
9198 381 138 12 Kazakhtelecom Data Network Ad
8866 356 110 21 Bulgarian Telecommunication C
3301 352 1428 309 TeliaNet Sweden
3320 352 7067 303 Deutsche Telekom AG
3215 348 3128 110 France Telecom Transpac

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1480 2899 245 UniNet S.A. de C.V.
10620 1007 227 98 TVCABLE BOGOTA
28573 758 639 86 NET Servicos de Comunicao S.A
7303 650 343 99 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 440 99 70 Servicios Alestra S.A de C.V
14117 436 29 11 Telefonica del Sur S.A.
7738 427 858 29 Telecomunicacoes da Bahia S.A
6471 421 96 31 ENTEL CHILE S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 981 188 7 TEDATA
24863 935 96 65 LINKdotNET AS number
3741 272 856 234 The Internet Solution
2018 192 187 118 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 139 14 6 Ci Telecom Autonomous system
33776 125 7 11 Starcomms Nigeria Limited
24835 123 46 9 RAYA Telecom - Egypt
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4163 3626 313 bellsouth.net, inc.
4323 3692 1037 384 Time Warner Telecom
4766 1766 6995 456 Korea Telecom (KIX)
1785 1758 714 138 PaeTec Communications, Inc.
7018 1522 5859 1054 AT&T WorldNet Services
8151 1480 2899 245 UniNet S.A. de C.V.
17488 1475 135 142 Hathway IP Over Cable Interne
20115 1475 1475 669 Charter Communications
6478 1413 279 301 AT&T Worldnet Services
2386 1320 656 950 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
4323 3692 3308 Time Warner Telecom
1785 1758 1620 PaeTec Communications, Inc.
17488 1475 1333 Hathway IP Over Cable Interne
4766 1766 1310 Korea Telecom (KIX)
8151 1480 1235 UniNet S.A. de C.V.
11492 1130 1118 Cable One
6478 1413 1112 AT&T Worldnet Services
4755 1256 1112 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1111 1041 Cox Communications, Inc.

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:20 /9:10 /10:24 /11:63 /12:176
/13:354 /14:628 /15:1199 /16:10668 /17:4847 /18:8372
/19:17493 /20:20889 /21:20988 /22:27160 /23:26806 /24:156790
/25:924 /26:1078 /27:558 /28:172 /29:40 /30:15
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2696 4163 bellsouth.net, inc.
4323 2351 3692 Time Warner Telecom
4766 1439 1766 Korea Telecom (KIX)
17488 1237 1475 Hathway IP Over Cable Interne
1785 1224 1758 PaeTec Communications, Inc.
11492 1056 1130 Cable One
18566 1043 1062 Covad Communications
9583 954 1102 Sify Limited
10620 913 1007 TVCABLE BOGOTA
8452 909 981 TEDATA

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

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

2:1 4:14 8:227 12:2148 13:7 15:22
16:3 17:5 20:36 24:1168 32:52 34:2
38:601 40:97 41:1707 43:1 44:2 46:1
47:16 52:6 55:2 56:2 57:25 58:613
59:642 60:450 61:1077 62:1015 63:2008 64:3708
65:2400 66:4109 67:1791 68:964 69:2765 70:576
71:154 72:1658 73:2 74:1954 75:181 76:349
77:873 78:581 79:394 80:898 81:808 82:505
83:429 84:522 85:1003 86:382 87:666 88:387
89:1495 90:62 91:2578 92:408 93:1235 94:1184
95:1106 96:170 97:270 98:310 99:30 109:44
110:212 111:445 112:139 113:146 114:262 115:354
116:1111 117:549 118:328 119:773 120:136 121:780
122:1287 123:787 124:1047 125:1350 128:221 129:216
130:129 131:425 132:75 133:10 134:181 135:42
136:241 137:166 138:177 139:85 140:442 141:121
142:381 143:333 144:349 145:48 146:387 147:168
148:549 149:209 150:149 151:181 152:215 153:156
154:2 155:271 156:167 157:307 158:101 159:354
160:291 161:168 162:270 163:172 164:279 165:520
166:475 167:377 168:792 169:168 170:474 171:43
172:2 173:420 174:359 175:1 178:1 180:39
182:1 186:138 187:156 188:1055 189:601 190:3114
192:5776 193:4260 194:3285 195:2746 196:1142 198:3555
199:3354 200:5209 201:1343 202:7851 203:8247 204:3936
205:2199 206:2428 207:2970 208:3983 209:3487 210:2564
211:1130 212:1615 213:1623 214:157 215:39 216:4423
217:1332 218:413 219:449 220:1132 221:443 222:318

End of report

cscora at apnic

Oct 9, 2009, 11:27 AM

Post #131 of 149 (2398 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 10 Oct, 2009

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

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

BGP routing table entries examined: 299909
Prefixes after maximum aggregation: 140664
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 148721
Total ASes present in the Internet Routing Table: 32379
Prefixes per ASN: 9.26
Origin-only ASes present in the Internet Routing Table: 28138
Origin ASes announcing only one prefix: 13738
Transit ASes present in the Internet Routing Table: 4241
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 560
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 292
Prefixes from 32-bit ASNs in the Routing Table: 213
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 190
Number of addresses announced to Internet: 2112370016
Equivalent to 125 /8s, 232 /16s and 53 /24s
Percentage of available address space announced: 57.0
Percentage of allocated address space announced: 64.6
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.3
Total number of prefixes smaller than registry allocations: 144194

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

Prefixes being announced by APNIC Region ASes: 71884
Total APNIC prefixes after maximum aggregation: 25318
APNIC Deaggregation factor: 2.84
Prefixes being announced from the APNIC address blocks: 68393
Unique aggregates announced from the APNIC address blocks: 30300
APNIC Region origin ASes present in the Internet Routing Table: 3816
APNIC Prefixes per ASN: 17.92
APNIC Region origin ASes announcing only one prefix: 1047
APNIC Region transit ASes present in the Internet Routing Table: 587
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 461684000
Equivalent to 27 /8s, 132 /16s and 189 /24s
Percentage of available APNIC address space announced: 78.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 126884
Total ARIN prefixes after maximum aggregation: 66823
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101398
Unique aggregates announced from the ARIN address blocks: 38471
ARIN Region origin ASes present in the Internet Routing Table: 13278
ARIN Prefixes per ASN: 7.64
ARIN Region origin ASes announcing only one prefix: 5135
ARIN Region transit ASes present in the Internet Routing Table: 1301
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 706797568
Equivalent to 42 /8s, 32 /16s and 224 /24s
Percentage of available ARIN address space announced: 62.0

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 68963
Total RIPE prefixes after maximum aggregation: 40347
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62540
Unique aggregates announced from the RIPE address blocks: 41940
RIPE Region origin ASes present in the Internet Routing Table: 13579
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7080
RIPE Region transit ASes present in the Internet Routing Table: 2043
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 401178048
Equivalent to 23 /8s, 233 /16s and 125 /24s
Percentage of available RIPE address space announced: 74.7

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 25802
Total LACNIC prefixes after maximum aggregation: 6344
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24098
Unique aggregates announced from the LACNIC address blocks: 13510
LACNIC Region origin ASes present in the Internet Routing Table: 1190
LACNIC Prefixes per ASN: 20.25
LACNIC Region origin ASes announcing only one prefix: 380
LACNIC Region transit ASes present in the Internet Routing Table: 192
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 67013376
Equivalent to 3 /8s, 254 /16s and 139 /24s
Percentage of available LACNIC address space announced: 66.6

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

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

Prefixes being announced by AfriNIC Region ASes: 5925
Total AfriNIC prefixes after maximum aggregation: 1561
AfriNIC Deaggregation factor: 3.80
Prefixes being announced from the AfriNIC address blocks: 4303
Unique aggregates announced from the AfriNIC address blocks: 1546
AfriNIC Region origin ASes present in the Internet Routing Table: 325
AfriNIC Prefixes per ASN: 13.24
AfriNIC Region origin ASes announcing only one prefix: 96
AfriNIC Region transit ASes present in the Internet Routing Table: 67
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12557568
Equivalent to 0 /8s, 191 /16s and 157 /24s
Percentage of available AfriNIC address space announced: 37.4

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1766 6996 458 Korea Telecom (KIX)
17488 1460 137 144 Hathway IP Over Cable Interne
4755 1261 292 145 TATA Communications formerly
9583 1101 87 530 Sify Limited
4134 1010 18168 391 CHINANET-BACKBONE
18101 979 204 33 Reliance Infocom Ltd Internet
7545 893 199 102 TPG Internet Pty Ltd
9829 816 629 21 BSNL National Internet Backbo
17974 790 248 93 PT TELEKOMUNIKASI INDONESIA
24560 775 285 164 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4161 3626 313 bellsouth.net, inc.
4323 3697 1037 385 Time Warner Telecom
1785 1762 714 138 PaeTec Communications, Inc.
7018 1543 5860 1057 AT&T WorldNet Services
20115 1484 1480 673 Charter Communications
6478 1405 280 340 AT&T Worldnet Services
2386 1308 641 947 AT&T Data Communications Serv
3356 1221 10963 433 Level 3 Communications, LLC
11492 1133 208 12 Cable One
22773 1111 2604 67 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 509 94 207 Evolva Telecom
3292 450 1908 394 TDC Tele Danmark
35805 445 40 5 United Telecom of Georgia
12479 427 578 6 Uni2 Autonomous System
702 422 1822 340 UUNET - Commercial IP service
9198 390 138 12 Kazakhtelecom Data Network Ad
8866 356 110 21 Bulgarian Telecommunication C
3320 352 7067 303 Deutsche Telekom AG
3301 351 1412 308 TeliaNet Sweden
3215 349 3144 111 France Telecom Transpac

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1482 2899 243 UniNet S.A. de C.V.
10620 1020 227 95 TVCABLE BOGOTA
28573 762 651 87 NET Servicos de Comunicao S.A
7303 656 346 97 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 440 99 70 Servicios Alestra S.A de C.V
14117 436 29 11 Telefonica del Sur S.A.
7738 428 858 29 Telecomunicacoes da Bahia S.A
6471 421 96 31 ENTEL CHILE S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 984 188 7 TEDATA
24863 926 95 68 LINKdotNET AS number
3741 278 857 239 The Internet Solution
2018 192 187 118 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 140 14 6 Ci Telecom Autonomous system
33776 125 7 11 Starcomms Nigeria Limited
24835 123 46 9 RAYA Telecom - Egypt
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4161 3626 313 bellsouth.net, inc.
4323 3697 1037 385 Time Warner Telecom
4766 1766 6996 458 Korea Telecom (KIX)
1785 1762 714 138 PaeTec Communications, Inc.
7018 1543 5860 1057 AT&T WorldNet Services
20115 1484 1480 673 Charter Communications
8151 1482 2899 243 UniNet S.A. de C.V.
17488 1460 137 144 Hathway IP Over Cable Interne
6478 1405 280 340 AT&T Worldnet Services
2386 1308 641 947 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
4323 3697 3312 Time Warner Telecom
1785 1762 1624 PaeTec Communications, Inc.
17488 1460 1316 Hathway IP Over Cable Interne
4766 1766 1308 Korea Telecom (KIX)
8151 1482 1239 UniNet S.A. de C.V.
11492 1133 1121 Cable One
4755 1261 1116 TATA Communications formerly
6478 1405 1065 AT&T Worldnet Services
18566 1062 1052 Covad Communications
22773 1111 1044 Cox Communications, Inc.

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:20 /9:10 /10:24 /11:63 /12:176
/13:354 /14:628 /15:1202 /16:10682 /17:4892 /18:8410
/19:17500 /20:21007 /21:21008 /22:27238 /23:26831 /24:157108
/25:932 /26:1091 /27:554 /28:154 /29:8 /30:9
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2694 4161 bellsouth.net, inc.
4323 2353 3697 Time Warner Telecom
4766 1438 1766 Korea Telecom (KIX)
1785 1228 1762 PaeTec Communications, Inc.
17488 1220 1460 Hathway IP Over Cable Interne
11492 1058 1133 Cable One
18566 1043 1062 Covad Communications
9583 953 1101 Sify Limited
10620 926 1020 TVCABLE BOGOTA
8452 912 984 TEDATA

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

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

2:1 4:14 8:226 12:2147 13:7 15:22
16:3 17:5 20:36 24:1168 32:52 34:2
38:601 40:97 41:1735 43:1 44:2 45:1
46:1 47:21 52:6 55:2 56:2 57:25
58:606 59:642 60:443 61:1078 62:1011 63:2012
64:3638 65:2382 66:4094 67:1795 68:985 69:2777
70:573 71:154 72:1668 73:2 74:1934 75:182
76:350 77:871 78:583 79:390 80:910 81:814
82:504 83:431 84:527 85:1003 86:381 87:688
88:386 89:1498 90:62 91:2590 92:412 93:1217
94:1258 95:1132 96:171 97:271 98:326 99:30
109:51 110:222 111:451 112:143 113:152 114:265
115:428 116:1097 117:552 118:350 119:778 120:135
121:784 122:1287 123:788 124:1044 125:1360 128:220
129:211 130:131 131:415 132:77 133:10 134:182
135:42 136:224 137:168 138:173 139:84 140:440
141:123 142:381 143:336 144:364 145:48 146:393
147:168 148:550 149:204 150:151 151:176 152:215
153:156 154:2 155:271 156:166 157:309 158:100
159:356 160:292 161:168 162:279 163:170 164:279
165:517 166:472 167:390 168:799 169:168 170:469
171:43 172:2 173:414 174:364 175:1 178:1
180:57 182:1 186:143 187:154 188:1134 189:603
190:3101 192:5756 193:4267 194:3295 195:2753 196:1159
198:3550 199:3346 200:5205 201:1351 202:7868 203:8227
204:3926 205:2190 206:2416 207:2976 208:3958 209:3491
210:2561 211:1127 212:1592 213:1620 214:189 215:40
216:4429 217:1336 218:411 219:457 220:1135 221:449
222:316

End of report

cscora at apnic

Oct 16, 2009, 11:27 AM

Post #132 of 149 (2354 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 17 Oct, 2009

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

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

BGP routing table entries examined: 300381
Prefixes after maximum aggregation: 140850
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 148722
Total ASes present in the Internet Routing Table: 32446
Prefixes per ASN: 9.26
Origin-only ASes present in the Internet Routing Table: 28188
Origin ASes announcing only one prefix: 13763
Transit ASes present in the Internet Routing Table: 4258
Transit-only ASes present in the Internet Routing Table: 104
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 565
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 292
Prefixes from 32-bit ASNs in the Routing Table: 217
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 192
Number of addresses announced to Internet: 2114870368
Equivalent to 126 /8s, 14 /16s and 92 /24s
Percentage of available address space announced: 57.1
Percentage of allocated address space announced: 64.7
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.4
Total number of prefixes smaller than registry allocations: 144438

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

Prefixes being announced by APNIC Region ASes: 72024
Total APNIC prefixes after maximum aggregation: 25287
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 68525
Unique aggregates announced from the APNIC address blocks: 30332
APNIC Region origin ASes present in the Internet Routing Table: 3821
APNIC Prefixes per ASN: 17.93
APNIC Region origin ASes announcing only one prefix: 1041
APNIC Region transit ASes present in the Internet Routing Table: 586
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 462426016
Equivalent to 27 /8s, 144 /16s and 15 /24s
Percentage of available APNIC address space announced: 78.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 126924
Total ARIN prefixes after maximum aggregation: 66963
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101444
Unique aggregates announced from the ARIN address blocks: 38562
ARIN Region origin ASes present in the Internet Routing Table: 13302
ARIN Prefixes per ASN: 7.63
ARIN Region origin ASes announcing only one prefix: 5154
ARIN Region transit ASes present in the Internet Routing Table: 1309
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 707408384
Equivalent to 42 /8s, 42 /16s and 50 /24s
Percentage of available ARIN address space announced: 62.0

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 69231
Total RIPE prefixes after maximum aggregation: 40421
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62717
Unique aggregates announced from the RIPE address blocks: 41918
RIPE Region origin ASes present in the Internet Routing Table: 13610
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7088
RIPE Region transit ASes present in the Internet Routing Table: 2058
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 402187968
Equivalent to 23 /8s, 248 /16s and 230 /24s
Percentage of available RIPE address space announced: 74.9

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 25837
Total LACNIC prefixes after maximum aggregation: 6363
LACNIC Deaggregation factor: 4.06
Prefixes being announced from the LACNIC address blocks: 24132
Unique aggregates announced from the LACNIC address blocks: 13313
LACNIC Region origin ASes present in the Internet Routing Table: 1192
LACNIC Prefixes per ASN: 20.24
LACNIC Region origin ASes announcing only one prefix: 381
LACNIC Region transit ASes present in the Internet Routing Table: 193
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 67348480
Equivalent to 4 /8s, 3 /16s and 168 /24s
Percentage of available LACNIC address space announced: 66.9

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

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

Prefixes being announced by AfriNIC Region ASes: 5911
Total AfriNIC prefixes after maximum aggregation: 1540
AfriNIC Deaggregation factor: 3.84
Prefixes being announced from the AfriNIC address blocks: 4303
Unique aggregates announced from the AfriNIC address blocks: 1571
AfriNIC Region origin ASes present in the Internet Routing Table: 328
AfriNIC Prefixes per ASN: 13.12
AfriNIC Region origin ASes announcing only one prefix: 99
AfriNIC Region transit ASes present in the Internet Routing Table: 67
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12591360
Equivalent to 0 /8s, 192 /16s and 33 /24s
Percentage of available AfriNIC address space announced: 37.5

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1764 6996 458 Korea Telecom (KIX)
17488 1466 138 143 Hathway IP Over Cable Interne
4755 1266 292 145 TATA Communications formerly
9583 1102 87 531 Sify Limited
4134 1012 18169 392 CHINANET-BACKBONE
18101 980 204 33 Reliance Infocom Ltd Internet
7545 892 199 101 TPG Internet Pty Ltd
9829 849 661 20 BSNL National Internet Backbo
17974 789 248 93 PT TELEKOMUNIKASI INDONESIA
24560 778 286 165 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4161 3626 312 bellsouth.net, inc.
4323 3704 1037 385 Time Warner Telecom
1785 1770 714 139 PaeTec Communications, Inc.
7018 1567 5846 1061 AT&T WorldNet Services
20115 1487 1481 676 Charter Communications
6478 1368 276 419 AT&T Worldnet Services
2386 1304 637 943 AT&T Data Communications Serv
3356 1229 10964 439 Level 3 Communications, LLC
11492 1135 208 12 Cable One
22773 1114 2604 67 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 512 94 207 Evolva Telecom
35805 458 40 5 United Telecom of Georgia
3292 450 1908 394 TDC Tele Danmark
12479 429 578 6 Uni2 Autonomous System
702 420 1822 338 UUNET - Commercial IP service
9198 393 138 12 Kazakhtelecom Data Network Ad
8866 358 110 23 Bulgarian Telecommunication C
3320 356 7068 304 Deutsche Telekom AG
3301 351 1412 308 TeliaNet Sweden
3215 349 3144 111 France Telecom Transpac

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1513 2899 244 UniNet S.A. de C.V.
10620 1018 227 100 TVCABLE BOGOTA
28573 767 651 87 NET Servicos de Comunicao S.A
7303 654 346 100 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 442 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 428 858 29 Telecomunicacoes da Bahia S.A
6471 421 96 31 ENTEL CHILE S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 989 188 7 TEDATA
24863 932 96 67 LINKdotNET AS number
3741 273 857 234 The Internet Solution
2018 191 183 117 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 140 14 6 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
24835 108 46 9 RAYA Telecom - Egypt

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4161 3626 312 bellsouth.net, inc.
4323 3704 1037 385 Time Warner Telecom
1785 1770 714 139 PaeTec Communications, Inc.
4766 1764 6996 458 Korea Telecom (KIX)
7018 1567 5846 1061 AT&T WorldNet Services
8151 1513 2899 244 UniNet S.A. de C.V.
20115 1487 1481 676 Charter Communications
17488 1466 138 143 Hathway IP Over Cable Interne
6478 1368 276 419 AT&T Worldnet Services
2386 1304 637 943 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
4323 3704 3319 Time Warner Telecom
1785 1770 1631 PaeTec Communications, Inc.
17488 1466 1323 Hathway IP Over Cable Interne
4766 1764 1306 Korea Telecom (KIX)
8151 1513 1269 UniNet S.A. de C.V.
11492 1135 1123 Cable One
4755 1266 1121 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1114 1047 Cox Communications, Inc.
8452 989 982 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:20 /9:10 /10:24 /11:63 /12:176
/13:357 /14:630 /15:1207 /16:10697 /17:4881 /18:8438
/19:17490 /20:21039 /21:21018 /22:27426 /23:26869 /24:157288
/25:923 /26:1096 /27:553 /28:153 /29:8 /30:7
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2693 4161 bellsouth.net, inc.
4323 2354 3704 Time Warner Telecom
4766 1437 1764 Korea Telecom (KIX)
1785 1235 1770 PaeTec Communications, Inc.
17488 1227 1466 Hathway IP Over Cable Interne
11492 1058 1135 Cable One
18566 1043 1062 Covad Communications
9583 954 1102 Sify Limited
10620 924 1018 TVCABLE BOGOTA
7018 923 1567 AT&T WorldNet Services

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

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

2:1 4:14 8:223 12:2142 13:7 15:22
16:3 17:5 20:36 24:1184 32:52 34:2
38:603 40:97 41:1749 43:1 44:2 46:1
47:20 52:6 55:2 56:2 57:25 58:604
59:640 60:440 61:1078 62:1017 63:2006 64:3632
65:2383 66:4091 67:1811 68:984 69:2758 70:568
71:154 72:1689 73:2 74:1946 75:182 76:358
77:863 78:579 79:388 80:905 81:809 82:488
83:434 84:525 85:1001 86:377 87:695 88:389
89:1516 90:70 91:2602 92:414 93:1228 94:1260
95:1130 96:174 97:271 98:346 99:30 109:58
110:232 111:455 112:145 113:152 114:265 115:422
116:1076 117:550 118:355 119:776 120:131 121:789
122:1291 123:780 124:1039 125:1364 128:220 129:220
130:131 131:421 132:76 133:10 134:186 135:42
136:224 137:170 138:174 139:82 140:437 141:123
142:385 143:340 144:368 145:48 146:391 147:172
148:548 149:203 150:151 151:176 152:216 153:156
154:2 155:271 156:166 157:310 158:90 159:357
160:292 161:171 162:279 163:172 164:279 165:512
166:476 167:389 168:752 169:163 170:463 171:42
172:2 173:397 174:372 175:1 178:1 180:84
182:1 186:145 187:175 188:1185 189:604 190:3102
192:5763 193:4274 194:3324 195:2755 196:1158 198:3555
199:3357 200:5199 201:1364 202:7868 203:8229 204:3921
205:2194 206:2403 207:2977 208:3963 209:3484 210:2565
211:1135 212:1603 213:1623 214:195 215:39 216:4406
217:1327 218:415 219:457 220:1133 221:449 222:312

End of report

cscora at apnic

Oct 23, 2009, 11:31 AM

Post #133 of 149 (2316 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 24 Oct, 2009

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

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

BGP routing table entries examined: 301090
Prefixes after maximum aggregation: 141242
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 149275
Total ASes present in the Internet Routing Table: 32521
Prefixes per ASN: 9.26
Origin-only ASes present in the Internet Routing Table: 28255
Origin ASes announcing only one prefix: 13771
Transit ASes present in the Internet Routing Table: 4266
Transit-only ASes present in the Internet Routing Table: 105
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 604
Unregistered ASNs in the Routing Table: 123
Number of 32-bit ASNs allocated by the RIRs: 300
Prefixes from 32-bit ASNs in the Routing Table: 242
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2116891488
Equivalent to 126 /8s, 45 /16s and 51 /24s
Percentage of available address space announced: 57.1
Percentage of allocated address space announced: 64.7
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.4
Total number of prefixes smaller than registry allocations: 144872

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

Prefixes being announced by APNIC Region ASes: 72260
Total APNIC prefixes after maximum aggregation: 25358
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 68831
Unique aggregates announced from the APNIC address blocks: 30562
APNIC Region origin ASes present in the Internet Routing Table: 3842
APNIC Prefixes per ASN: 17.92
APNIC Region origin ASes announcing only one prefix: 1047
APNIC Region transit ASes present in the Internet Routing Table: 589
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 462803232
Equivalent to 27 /8s, 149 /16s and 209 /24s
Percentage of available APNIC address space announced: 78.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 127136
Total ARIN prefixes after maximum aggregation: 67099
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 101658
Unique aggregates announced from the ARIN address blocks: 38678
ARIN Region origin ASes present in the Internet Routing Table: 13315
ARIN Prefixes per ASN: 7.63
ARIN Region origin ASes announcing only one prefix: 5144
ARIN Region transit ASes present in the Internet Routing Table: 1313
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 708690432
Equivalent to 42 /8s, 61 /16s and 194 /24s
Percentage of available ARIN address space announced: 62.1

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 69365
Total RIPE prefixes after maximum aggregation: 40565
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62853
Unique aggregates announced from the RIPE address blocks: 42173
RIPE Region origin ASes present in the Internet Routing Table: 13646
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7107
RIPE Region transit ASes present in the Internet Routing Table: 2053
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 402504512
Equivalent to 23 /8s, 253 /16s and 187 /24s
Percentage of available RIPE address space announced: 75.0

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 25911
Total LACNIC prefixes after maximum aggregation: 6365
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24217
Unique aggregates announced from the LACNIC address blocks: 13306
LACNIC Region origin ASes present in the Internet Routing Table: 1195
LACNIC Prefixes per ASN: 20.27
LACNIC Region origin ASes announcing only one prefix: 375
LACNIC Region transit ASes present in the Internet Routing Table: 196
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 30
Number of LACNIC addresses announced to Internet: 67503616
Equivalent to 4 /8s, 6 /16s and 6 /24s
Percentage of available LACNIC address space announced: 67.1

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

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

Prefixes being announced by AfriNIC Region ASes: 5949
Total AfriNIC prefixes after maximum aggregation: 1574
AfriNIC Deaggregation factor: 3.78
Prefixes being announced from the AfriNIC address blocks: 4309
Unique aggregates announced from the AfriNIC address blocks: 1581
AfriNIC Region origin ASes present in the Internet Routing Table: 331
AfriNIC Prefixes per ASN: 13.02
AfriNIC Region origin ASes announcing only one prefix: 98
AfriNIC Region transit ASes present in the Internet Routing Table: 68
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12602112
Equivalent to 0 /8s, 192 /16s and 75 /24s
Percentage of available AfriNIC address space announced: 37.6

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1763 6991 454 Korea Telecom (KIX)
17488 1470 138 142 Hathway IP Over Cable Interne
4755 1266 292 145 TATA Communications formerly
9583 1103 87 532 Sify Limited
4134 1005 18177 392 CHINANET-BACKBONE
18101 980 204 32 Reliance Infocom Ltd Internet
7545 901 199 101 TPG Internet Pty Ltd
9829 849 661 20 BSNL National Internet Backbo
17974 797 249 94 PT TELEKOMUNIKASI INDONESIA
24560 781 290 164 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4164 3882 312 bellsouth.net, inc.
4323 3711 1037 384 Time Warner Telecom
1785 1776 714 139 PaeTec Communications, Inc.
7018 1574 5844 1059 AT&T WorldNet Services
20115 1488 1481 670 Charter Communications
6478 1347 275 437 AT&T Worldnet Services
2386 1306 637 945 AT&T Data Communications Serv
3356 1224 10964 439 Level 3 Communications, LLC
11492 1134 206 13 Cable One
22773 1113 2604 67 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 514 94 208 Evolva Telecom
35805 465 40 5 United Telecom of Georgia
3292 451 1908 394 TDC Tele Danmark
702 415 1822 334 UUNET - Commercial IP service
9198 387 138 12 Kazakhtelecom Data Network Ad
8866 360 110 23 Bulgarian Telecommunication C
3320 356 7068 304 Deutsche Telekom AG
3301 350 1428 307 TeliaNet Sweden
3215 349 3144 111 France Telecom Transpac
8551 316 294 40 Bezeq International

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1520 2899 237 UniNet S.A. de C.V.
10620 1020 227 100 TVCABLE BOGOTA
28573 779 652 90 NET Servicos de Comunicao S.A
7303 658 347 98 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 443 99 71 Servicios Alestra S.A de C.V
14117 438 29 11 Telefonica del Sur S.A.
7738 428 858 29 Telecomunicacoes da Bahia S.A
6471 421 96 31 ENTEL CHILE S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 990 188 7 TEDATA
24863 874 96 73 LINKdotNET AS number
3741 272 856 233 The Internet Solution
2018 195 188 118 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 142 14 6 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4164 3882 312 bellsouth.net, inc.
4323 3711 1037 384 Time Warner Telecom
1785 1776 714 139 PaeTec Communications, Inc.
4766 1763 6991 454 Korea Telecom (KIX)
7018 1574 5844 1059 AT&T WorldNet Services
8151 1520 2899 237 UniNet S.A. de C.V.
20115 1488 1481 670 Charter Communications
17488 1470 138 142 Hathway IP Over Cable Interne
6478 1347 275 437 AT&T Worldnet Services
2386 1306 637 945 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
4323 3711 3327 Time Warner Telecom
1785 1776 1637 PaeTec Communications, Inc.
17488 1470 1328 Hathway IP Over Cable Interne
4766 1763 1309 Korea Telecom (KIX)
8151 1520 1283 UniNet S.A. de C.V.
4755 1266 1121 TATA Communications formerly
11492 1134 1121 Cable One
18566 1062 1052 Covad Communications
22773 1113 1046 Cox Communications, Inc.
8452 990 983 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.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 /8:20 /9:10 /10:24 /11:63 /12:177
/13:355 /14:629 /15:1210 /16:10692 /17:4886 /18:8472
/19:17517 /20:21113 /21:21075 /22:27386 /23:26945 /24:157743
/25:926 /26:1113 /27:557 /28:154 /29:8 /30:7
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2691 4164 bellsouth.net, inc.
4323 2350 3711 Time Warner Telecom
4766 1436 1763 Korea Telecom (KIX)
1785 1241 1776 PaeTec Communications, Inc.
17488 1231 1470 Hathway IP Over Cable Interne
11492 1058 1134 Cable One
18566 1043 1062 Covad Communications
9583 955 1103 Sify Limited
7018 932 1574 AT&T WorldNet Services
10620 926 1020 TVCABLE BOGOTA

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

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

2:1 4:14 8:225 12:2147 13:7 15:22
16:3 17:5 20:36 24:1199 32:52 34:2
38:605 40:97 41:1767 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:25 58:607
59:640 60:441 61:1088 62:973 63:2005 64:3661
65:2374 66:4090 67:1758 68:984 69:2761 70:572
71:154 72:1725 73:2 74:1989 75:183 76:357
77:866 78:566 79:390 80:913 81:814 82:479
83:436 84:533 85:1006 86:372 87:692 88:422
89:1517 90:53 91:2616 92:417 93:1279 94:1317
95:1145 96:190 97:271 98:371 99:30 109:86
110:246 111:456 112:142 113:155 114:274 115:446
116:1096 117:592 118:358 119:790 120:132 121:797
122:1293 123:778 124:1043 125:1373 128:219 129:220
130:130 131:421 132:76 133:10 134:186 135:42
136:224 137:171 138:174 139:82 140:440 141:123
142:385 143:348 144:365 145:49 146:391 147:170
148:551 149:202 150:151 151:176 152:212 153:158
154:2 155:273 156:168 157:310 158:91 159:358
160:292 161:171 162:279 163:171 164:278 165:467
166:478 167:391 168:754 169:163 170:466 171:42
172:2 173:386 174:382 175:1 178:1 180:96
182:1 186:148 187:167 188:1179 189:610 190:3168
192:5745 193:4270 194:3326 195:2736 196:1170 198:3551
199:3352 200:5202 201:1360 202:7891 203:8237 204:3915
205:2180 206:2400 207:2987 208:3972 209:3456 210:2570
211:1142 212:1603 213:1619 214:172 215:39 216:4425
217:1335 218:415 219:456 220:1135 221:449 222:304

End of report

cscora at apnic

Oct 30, 2009, 11:26 AM

Post #134 of 149 (2258 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 31 Oct, 2009

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

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

BGP routing table entries examined: 301627
Prefixes after maximum aggregation: 141194
Deaggregation factor: 2.14
Unique aggregates announced to Internet: 149168
Total ASes present in the Internet Routing Table: 32545
Prefixes per ASN: 9.27
Origin-only ASes present in the Internet Routing Table: 28267
Origin ASes announcing only one prefix: 13775
Transit ASes present in the Internet Routing Table: 4278
Transit-only ASes present in the Internet Routing Table: 104
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 615
Unregistered ASNs in the Routing Table: 126
Number of 32-bit ASNs allocated by the RIRs: 308
Prefixes from 32-bit ASNs in the Routing Table: 249
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 188
Number of addresses announced to Internet: 2123904864
Equivalent to 126 /8s, 152 /16s and 55 /24s
Percentage of available address space announced: 57.3
Percentage of allocated address space announced: 64.9
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.5
Total number of prefixes smaller than registry allocations: 145034

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

Prefixes being announced by APNIC Region ASes: 72646
Total APNIC prefixes after maximum aggregation: 25150
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 69165
Unique aggregates announced from the APNIC address blocks: 30414
APNIC Region origin ASes present in the Internet Routing Table: 3836
APNIC Prefixes per ASN: 18.03
APNIC Region origin ASes announcing only one prefix: 1038
APNIC Region transit ASes present in the Internet Routing Table: 595
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 467982112
Equivalent to 27 /8s, 228 /16s and 215 /24s
Percentage of available APNIC address space announced: 79.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 127251
Total ARIN prefixes after maximum aggregation: 67119
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101807
Unique aggregates announced from the ARIN address blocks: 38735
ARIN Region origin ASes present in the Internet Routing Table: 13307
ARIN Prefixes per ASN: 7.65
ARIN Region origin ASes announcing only one prefix: 5143
ARIN Region transit ASes present in the Internet Routing Table: 1315
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 709214976
Equivalent to 42 /8s, 69 /16s and 195 /24s
Percentage of available ARIN address space announced: 62.2

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 69252
Total RIPE prefixes after maximum aggregation: 40685
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 62623
Unique aggregates announced from the RIPE address blocks: 41975
RIPE Region origin ASes present in the Internet Routing Table: 13681
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 7116
RIPE Region transit ASes present in the Internet Routing Table: 2053
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 402977216
Equivalent to 24 /8s, 4 /16s and 241 /24s
Percentage of available RIPE address space announced: 75.1

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 25963
Total LACNIC prefixes after maximum aggregation: 6374
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24280
Unique aggregates announced from the LACNIC address blocks: 13431
LACNIC Region origin ASes present in the Internet Routing Table: 1201
LACNIC Prefixes per ASN: 20.22
LACNIC Region origin ASes announcing only one prefix: 382
LACNIC Region transit ASes present in the Internet Routing Table: 199
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 30
Number of LACNIC addresses announced to Internet: 68065280
Equivalent to 4 /8s, 14 /16s and 152 /24s
Percentage of available LACNIC address space announced: 67.6

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

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

Prefixes being announced by AfriNIC Region ASes: 6039
Total AfriNIC prefixes after maximum aggregation: 1579
AfriNIC Deaggregation factor: 3.82
Prefixes being announced from the AfriNIC address blocks: 4404
Unique aggregates announced from the AfriNIC address blocks: 1607
AfriNIC Region origin ASes present in the Internet Routing Table: 329
AfriNIC Prefixes per ASN: 13.39
AfriNIC Region origin ASes announcing only one prefix: 96
AfriNIC Region transit ASes present in the Internet Routing Table: 67
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12883712
Equivalent to 0 /8s, 196 /16s and 151 /24s
Percentage of available AfriNIC address space announced: 38.4

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1765 6991 454 Korea Telecom (KIX)
17488 1473 139 140 Hathway IP Over Cable Interne
4755 1270 293 147 TATA Communications formerly
9583 1107 98 469 Sify Limited
4134 1006 19185 393 CHINANET-BACKBONE
18101 974 204 32 Reliance Infocom Ltd Internet
7545 905 199 101 TPG Internet Pty Ltd
9829 849 661 20 BSNL National Internet Backbo
17974 814 252 104 PT TELEKOMUNIKASI INDONESIA
24560 792 291 168 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4166 3883 313 bellsouth.net, inc.
4323 3723 1036 396 Time Warner Telecom
1785 1778 715 140 PaeTec Communications, Inc.
7018 1571 5843 1047 AT&T WorldNet Services
20115 1487 1481 670 Charter Communications
6478 1316 270 438 AT&T Worldnet Services
2386 1302 637 942 AT&T Data Communications Serv
3356 1221 10964 437 Level 3 Communications, LLC
11492 1137 206 13 Cable One
22773 1106 2600 66 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 516 95 210 Evolva Telecom
3292 448 1908 393 TDC Tele Danmark
702 414 1822 333 UUNET - Commercial IP service
9198 387 138 12 Kazakhtelecom Data Network Ad
35805 372 40 5 United Telecom of Georgia
8866 362 110 23 Bulgarian Telecommunication C
3320 354 7068 302 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 348 1412 305 TeliaNet Sweden
9121 317 1698 26 TTnet Autonomous System

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1490 2899 236 UniNet S.A. de C.V.
10620 1024 228 102 TVCABLE BOGOTA
28573 790 661 89 NET Servicos de Comunicao S.A
7303 660 349 97 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
14117 438 29 11 Telefonica del Sur S.A.
7738 429 858 29 Telecomunicacoes da Bahia S.A
6471 422 96 31 ENTEL CHILE S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 989 188 7 TEDATA
24863 938 98 72 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 194 188 117 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 145 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4166 3883 313 bellsouth.net, inc.
4323 3723 1036 396 Time Warner Telecom
1785 1778 715 140 PaeTec Communications, Inc.
4766 1765 6991 454 Korea Telecom (KIX)
7018 1571 5843 1047 AT&T WorldNet Services
8151 1490 2899 236 UniNet S.A. de C.V.
20115 1487 1481 670 Charter Communications
17488 1473 139 140 Hathway IP Over Cable Interne
6478 1316 270 438 AT&T Worldnet Services
2386 1302 637 942 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
4323 3723 3327 Time Warner Telecom
1785 1778 1638 PaeTec Communications, Inc.
17488 1473 1333 Hathway IP Over Cable Interne
4766 1765 1311 Korea Telecom (KIX)
8151 1490 1254 UniNet S.A. de C.V.
11492 1137 1124 Cable One
4755 1270 1123 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1106 1040 Cox Communications, Inc.
8452 989 982 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:20 /9:10 /10:25 /11:63 /12:176
/13:356 /14:636 /15:1211 /16:10718 /17:4910 /18:8486
/19:17531 /20:21126 /21:21141 /22:27474 /23:27088 /24:157858
/25:937 /26:1109 /27:562 /28:164 /29:10 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2692 4166 bellsouth.net, inc.
4323 2353 3723 Time Warner Telecom
4766 1436 1765 Korea Telecom (KIX)
17488 1250 1473 Hathway IP Over Cable Interne
1785 1242 1778 PaeTec Communications, Inc.
11492 1061 1137 Cable One
18566 1043 1062 Covad Communications
9583 958 1107 Sify Limited
7018 938 1571 AT&T WorldNet Services
10620 929 1024 TVCABLE BOGOTA

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

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

2:1 4:14 8:228 12:2139 13:7 15:22
16:3 17:5 20:36 24:1227 32:52 34:2
38:605 40:99 41:1802 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:613
59:640 60:441 61:1090 62:960 63:2001 64:3665
65:2367 66:4087 67:1764 68:989 69:2785 70:589
71:153 72:1728 73:2 74:1995 75:183 76:359
77:866 78:559 79:374 80:924 81:818 82:477
83:443 84:538 85:1003 86:374 87:692 88:423
89:1489 90:54 91:2628 92:416 93:1221 94:1233
95:934 96:182 97:270 98:380 99:30 109:82
110:260 111:465 112:144 113:161 114:278 115:434
116:1118 117:590 118:359 119:792 120:128 121:797
122:1297 123:780 124:1053 125:1372 128:222 129:216
130:138 131:424 132:76 133:16 134:186 135:42
136:232 137:167 138:180 139:82 140:443 141:123
142:387 143:352 144:362 145:49 146:395 147:170
148:552 149:201 150:149 151:173 152:212 153:159
154:2 155:272 156:167 157:310 158:92 159:359
160:292 161:171 162:279 163:172 164:276 165:468
166:483 167:390 168:750 169:162 170:465 171:42
172:2 173:385 174:384 175:1 178:1 180:150
182:1 184:1 186:155 187:183 188:1206 189:621
190:3183 192:5736 193:4273 194:3320 195:2750 196:1168
198:3552 199:3354 200:5208 201:1352 202:7908 203:8223
204:3930 205:2168 206:2406 207:3010 208:3985 209:3428
210:2548 211:1147 212:1645 213:1627 214:177 215:40
216:4447 217:1343 218:474 219:459 220:1138 221:457
222:303

End of report

cscora at apnic

Nov 6, 2009, 10:32 AM

Post #135 of 149 (2203 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 07 Nov, 2009

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

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

BGP routing table entries examined: 301614
Prefixes after maximum aggregation: 141503
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 149533
Total ASes present in the Internet Routing Table: 32604
Prefixes per ASN: 9.25
Origin-only ASes present in the Internet Routing Table: 28347
Origin ASes announcing only one prefix: 13795
Transit ASes present in the Internet Routing Table: 4257
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 620
Unregistered ASNs in the Routing Table: 126
Number of 32-bit ASNs allocated by the RIRs: 312
Prefixes from 32-bit ASNs in the Routing Table: 256
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 202
Number of addresses announced to Internet: 2132041952
Equivalent to 127 /8s, 20 /16s and 96 /24s
Percentage of available address space announced: 57.5
Percentage of allocated address space announced: 65.2
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.8
Total number of prefixes smaller than registry allocations: 144805

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

Prefixes being announced by APNIC Region ASes: 72077
Total APNIC prefixes after maximum aggregation: 25252
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 68602
Unique aggregates announced from the APNIC address blocks: 30421
APNIC Region origin ASes present in the Internet Routing Table: 3847
APNIC Prefixes per ASN: 17.83
APNIC Region origin ASes announcing only one prefix: 1043
APNIC Region transit ASes present in the Internet Routing Table: 587
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 470541600
Equivalent to 28 /8s, 11 /16s and 229 /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, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 127441
Total ARIN prefixes after maximum aggregation: 67221
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101848
Unique aggregates announced from the ARIN address blocks: 38884
ARIN Region origin ASes present in the Internet Routing Table: 13330
ARIN Prefixes per ASN: 7.64
ARIN Region origin ASes announcing only one prefix: 5159
ARIN Region transit ASes present in the Internet Routing Table: 1314
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 714201088
Equivalent to 42 /8s, 145 /16s and 216 /24s
Percentage of available ARIN address space announced: 62.6

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 69537
Total RIPE prefixes after maximum aggregation: 40772
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62836
Unique aggregates announced from the RIPE address blocks: 42111
RIPE Region origin ASes present in the Internet Routing Table: 13706
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 7114
RIPE Region transit ASes present in the Internet Routing Table: 2051
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 403252160
Equivalent to 24 /8s, 9 /16s and 35 /24s
Percentage of available RIPE address space announced: 75.1

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 26058
Total LACNIC prefixes after maximum aggregation: 6385
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 24373
Unique aggregates announced from the LACNIC address blocks: 13436
LACNIC Region origin ASes present in the Internet Routing Table: 1202
LACNIC Prefixes per ASN: 20.28
LACNIC Region origin ASes announcing only one prefix: 382
LACNIC Region transit ASes present in the Internet Routing Table: 200
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 30
Number of LACNIC addresses announced to Internet: 68123136
Equivalent to 4 /8s, 15 /16s and 122 /24s
Percentage of available LACNIC address space announced: 67.7

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

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

Prefixes being announced by AfriNIC Region ASes: 6017
Total AfriNIC prefixes after maximum aggregation: 1577
AfriNIC Deaggregation factor: 3.82
Prefixes being announced from the AfriNIC address blocks: 4374
Unique aggregates announced from the AfriNIC address blocks: 1588
AfriNIC Region origin ASes present in the Internet Routing Table: 330
AfriNIC Prefixes per ASN: 13.25
AfriNIC Region origin ASes announcing only one prefix: 97
AfriNIC Region transit ASes present in the Internet Routing Table: 66
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 12886016
Equivalent to 0 /8s, 196 /16s and 160 /24s
Percentage of available AfriNIC address space announced: 38.4

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1771 7505 456 Korea Telecom (KIX)
17488 1360 140 125 Hathway IP Over Cable Interne
4755 1271 293 147 TATA Communications formerly
9583 1096 86 530 Sify Limited
4134 1010 19185 393 CHINANET-BACKBONE
18101 975 204 33 Reliance Infocom Ltd Internet
7545 901 198 99 TPG Internet Pty Ltd
9829 852 664 24 BSNL National Internet Backbo
17974 822 252 104 PT TELEKOMUNIKASI INDONESIA
24560 793 291 171 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4262 3883 313 bellsouth.net, inc.
4323 3723 1054 399 Time Warner Telecom
1785 1785 715 140 PaeTec Communications, Inc.
7018 1572 5837 1042 AT&T WorldNet Services
20115 1486 1481 669 Charter Communications
6478 1321 270 433 AT&T Worldnet Services
2386 1304 638 942 AT&T Data Communications Serv
3356 1219 10964 440 Level 3 Communications, LLC
11492 1137 206 13 Cable One
22773 1101 2600 66 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 515 98 209 Evolva Telecom
3292 448 1906 393 TDC Tele Danmark
702 415 1822 334 UUNET - Commercial IP service
9198 397 138 12 Kazakhtelecom Data Network Ad
35805 384 40 5 United Telecom of Georgia
8866 364 110 23 Bulgarian Telecommunication C
3320 354 7067 302 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 348 1412 305 TeliaNet Sweden
9121 319 1698 26 TTnet Autonomous System

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1556 2898 236 UniNet S.A. de C.V.
10620 1032 228 102 TVCABLE BOGOTA
28573 797 661 90 NET Servicos de Comunicao S.A
7303 661 349 97 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 444 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 430 858 29 Telecomunicacoes da Bahia S.A
6471 422 96 31 ENTEL CHILE S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 949 188 7 TEDATA
24863 940 98 71 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 194 188 117 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 145 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4262 3883 313 bellsouth.net, inc.
4323 3723 1054 399 Time Warner Telecom
1785 1785 715 140 PaeTec Communications, Inc.
4766 1771 7505 456 Korea Telecom (KIX)
7018 1572 5837 1042 AT&T WorldNet Services
8151 1556 2898 236 UniNet S.A. de C.V.
20115 1486 1481 669 Charter Communications
17488 1360 140 125 Hathway IP Over Cable Interne
6478 1321 270 433 AT&T Worldnet Services
2386 1304 638 942 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
4323 3723 3324 Time Warner Telecom
1785 1785 1645 PaeTec Communications, Inc.
8151 1556 1320 UniNet S.A. de C.V.
4766 1771 1315 Korea Telecom (KIX)
17488 1360 1235 Hathway IP Over Cable Interne
4755 1271 1124 TATA Communications formerly
11492 1137 1124 Cable One
18566 1062 1052 Covad Communications
22773 1101 1035 Cox Communications, Inc.
18101 975 942 Reliance Infocom Ltd Internet

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.64.0.0/15 15475 Nile Online
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.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 /8:20 /9:10 /10:25 /11:65 /12:177
/13:360 /14:639 /15:1217 /16:10738 /17:4943 /18:8503
/19:17557 /20:21191 /21:21157 /22:27429 /23:27278 /24:157443
/25:945 /26:1125 /27:563 /28:203 /29:10 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2788 4262 bellsouth.net, inc.
4323 2351 3723 Time Warner Telecom
4766 1436 1771 Korea Telecom (KIX)
1785 1249 1785 PaeTec Communications, Inc.
17488 1136 1360 Hathway IP Over Cable Interne
11492 1061 1137 Cable One
18566 1043 1062 Covad Communications
9583 948 1096 Sify Limited
7018 944 1572 AT&T WorldNet Services
10620 937 1032 TVCABLE BOGOTA

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

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

2:1 4:14 8:232 12:2137 13:7 15:22
16:3 17:5 20:36 24:1242 32:49 34:2
38:609 40:99 41:1737 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:622
59:611 60:443 61:987 62:966 63:1998 64:3669
65:2367 66:4088 67:1769 68:991 69:2781 70:590
71:153 72:1730 73:2 74:1981 75:184 76:362
77:859 78:581 79:376 80:939 81:818 82:480
83:440 84:542 85:1011 86:375 87:695 88:425
89:1499 90:52 91:2635 92:420 93:1180 94:1269
95:810 96:191 97:273 98:386 99:30 109:114
110:267 111:454 112:145 113:162 114:282 115:420
116:1005 117:589 118:346 119:786 120:127 121:702
122:1301 123:782 124:1054 125:1347 128:221 129:218
130:130 131:426 132:76 133:16 134:186 135:43
136:232 137:167 138:179 139:83 140:439 141:122
142:391 143:348 144:360 145:50 146:393 147:170
148:553 149:200 150:150 151:172 152:212 153:159
154:2 155:273 156:168 157:308 158:93 159:358
160:293 161:173 162:279 163:157 164:278 165:466
166:487 167:392 168:750 169:162 170:552 171:42
172:1 173:387 174:390 175:1 178:1 180:166
182:1 184:1 186:157 187:187 188:1259 189:622
190:3188 192:5746 193:4269 194:3321 195:2756 196:1167
198:3567 199:3356 200:5182 201:1351 202:7883 203:8231
204:3929 205:2144 206:2403 207:2998 208:3980 209:3428
210:2541 211:1145 212:1646 213:1629 214:164 215:39
216:4427 217:1335 218:471 219:436 220:1138 221:452
222:303

End of report

cscora at apnic

Nov 13, 2009, 10:34 AM

Post #136 of 149 (2153 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 14 Nov, 2009

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

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

BGP routing table entries examined: 302501
Prefixes after maximum aggregation: 141653
Deaggregation factor: 2.14
Unique aggregates announced to Internet: 149678
Total ASes present in the Internet Routing Table: 32670
Prefixes per ASN: 9.26
Origin-only ASes present in the Internet Routing Table: 28386
Origin ASes announcing only one prefix: 13852
Transit ASes present in the Internet Routing Table: 4284
Transit-only ASes present in the Internet Routing Table: 99
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 635
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 317
Prefixes from 32-bit ASNs in the Routing Table: 263
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 177
Number of addresses announced to Internet: 2116745984
Equivalent to 126 /8s, 42 /16s and 251 /24s
Percentage of available address space announced: 57.1
Percentage of allocated address space announced: 64.7
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.0
Total number of prefixes smaller than registry allocations: 145338

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

Prefixes being announced by APNIC Region ASes: 72284
Total APNIC prefixes after maximum aggregation: 25310
APNIC Deaggregation factor: 2.86
Prefixes being announced from the APNIC address blocks: 68830
Unique aggregates announced from the APNIC address blocks: 30438
APNIC Region origin ASes present in the Internet Routing Table: 3858
APNIC Prefixes per ASN: 17.84
APNIC Region origin ASes announcing only one prefix: 1046
APNIC Region transit ASes present in the Internet Routing Table: 597
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 470486048
Equivalent to 28 /8s, 11 /16s and 12 /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, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 127674
Total ARIN prefixes after maximum aggregation: 67188
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 102073
Unique aggregates announced from the ARIN address blocks: 38770
ARIN Region origin ASes present in the Internet Routing Table: 13337
ARIN Prefixes per ASN: 7.65
ARIN Region origin ASes announcing only one prefix: 5169
ARIN Region transit ASes present in the Internet Routing Table: 1313
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 714745632
Equivalent to 42 /8s, 154 /16s and 39 /24s
Percentage of available ARIN address space announced: 62.7

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 69750
Total RIPE prefixes after maximum aggregation: 40882
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 63032
Unique aggregates announced from the RIPE address blocks: 42158
RIPE Region origin ASes present in the Internet Routing Table: 13751
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 7150
RIPE Region transit ASes present in the Internet Routing Table: 2064
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 404254144
Equivalent to 24 /8s, 24 /16s and 109 /24s
Percentage of available RIPE address space announced: 75.3

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 26248
Total LACNIC prefixes after maximum aggregation: 6386
LACNIC Deaggregation factor: 4.11
Prefixes being announced from the LACNIC address blocks: 24557
Unique aggregates announced from the LACNIC address blocks: 13594
LACNIC Region origin ASes present in the Internet Routing Table: 1205
LACNIC Prefixes per ASN: 20.38
LACNIC Region origin ASes announcing only one prefix: 387
LACNIC Region transit ASes present in the Internet Routing Table: 200
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 30
Number of LACNIC addresses announced to Internet: 68200192
Equivalent to 4 /8s, 16 /16s and 167 /24s
Percentage of available LACNIC address space announced: 67.8

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

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

Prefixes being announced by AfriNIC Region ASes: 6052
Total AfriNIC prefixes after maximum aggregation: 1588
AfriNIC Deaggregation factor: 3.81
Prefixes being announced from the AfriNIC address blocks: 4414
Unique aggregates announced from the AfriNIC address blocks: 1583
AfriNIC Region origin ASes present in the Internet Routing Table: 333
AfriNIC Prefixes per ASN: 13.26
AfriNIC Region origin ASes announcing only one prefix: 100
AfriNIC Region transit ASes present in the Internet Routing Table: 69
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13027584
Equivalent to 0 /8s, 198 /16s and 201 /24s
Percentage of available AfriNIC address space announced: 38.8

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1770 7505 456 Korea Telecom (KIX)
17488 1477 142 125 Hathway IP Over Cable Interne
4755 1277 292 148 TATA Communications formerly
9583 1045 81 515 Sify Limited
4134 1007 19185 393 CHINANET-BACKBONE
18101 982 204 33 Reliance Infocom Ltd Internet
7545 900 199 100 TPG Internet Pty Ltd
9829 853 665 21 BSNL National Internet Backbo
17974 836 252 103 PT TELEKOMUNIKASI INDONESIA
24560 797 292 172 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4257 3883 315 bellsouth.net, inc.
4323 3733 1054 399 Time Warner Telecom
1785 1787 715 140 PaeTec Communications, Inc.
7018 1586 5839 1039 AT&T WorldNet Services
20115 1515 1481 675 Charter Communications
6478 1312 270 415 AT&T Worldnet Services
2386 1307 638 943 AT&T Data Communications Serv
3356 1218 10966 442 Level 3 Communications, LLC
11492 1145 222 14 Cable One
22773 1118 2600 66 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 515 98 208 Evolva Telecom
3292 445 1905 390 TDC Tele Danmark
35805 436 40 5 United Telecom of Georgia
702 416 1822 335 UUNET - Commercial IP service
9198 404 138 12 Kazakhtelecom Data Network Ad
8866 364 110 23 Bulgarian Telecommunication C
3320 358 7068 305 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 347 1412 302 TeliaNet Sweden
8551 316 294 40 Bezeq International

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1569 2899 230 UniNet S.A. de C.V.
10620 1030 228 102 TVCABLE BOGOTA
28573 803 664 89 NET Servicos de Comunicao S.A
7303 663 349 95 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 473 308 59 Instituto Costarricense de El
11172 444 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 430 858 29 Telecomunicacoes da Bahia S.A
6471 422 96 31 ENTEL CHILE S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1044 188 7 TEDATA
24863 943 98 72 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 191 188 118 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 128 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4257 3883 315 bellsouth.net, inc.
4323 3733 1054 399 Time Warner Telecom
1785 1787 715 140 PaeTec Communications, Inc.
4766 1770 7505 456 Korea Telecom (KIX)
7018 1586 5839 1039 AT&T WorldNet Services
8151 1569 2899 230 UniNet S.A. de C.V.
20115 1515 1481 675 Charter Communications
17488 1477 142 125 Hathway IP Over Cable Interne
6478 1312 270 415 AT&T Worldnet Services
2386 1307 638 943 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
4323 3733 3334 Time Warner Telecom
1785 1787 1647 PaeTec Communications, Inc.
17488 1477 1352 Hathway IP Over Cable Interne
8151 1569 1339 UniNet S.A. de C.V.
4766 1770 1314 Korea Telecom (KIX)
11492 1145 1131 Cable One
4755 1277 1129 TATA Communications formerly
22773 1118 1052 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1044 1037 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /9:10 /10:25 /11:65 /12:177
/13:361 /14:640 /15:1220 /16:10741 /17:4960 /18:8511
/19:17574 /20:21253 /21:21202 /22:27534 /23:27360 /24:157968
/25:944 /26:1126 /27:565 /28:219 /29:11 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2782 4257 bellsouth.net, inc.
4323 2357 3733 Time Warner Telecom
4766 1435 1770 Korea Telecom (KIX)
17488 1254 1477 Hathway IP Over Cable Interne
1785 1251 1787 PaeTec Communications, Inc.
11492 1068 1145 Cable One
18566 1040 1059 Covad Communications
7018 947 1586 AT&T WorldNet Services
8452 944 1044 TEDATA
10620 935 1030 TVCABLE BOGOTA

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

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

2:1 4:14 8:233 12:2134 13:8 15:22
16:3 17:5 20:36 24:1251 32:49 34:2
38:612 40:99 41:1795 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:628
59:610 60:443 61:992 62:948 63:1994 64:3656
65:2363 66:4091 67:1755 68:995 69:2795 70:588
71:156 72:1748 73:2 74:1989 75:183 76:352
77:842 78:569 79:376 80:940 81:814 82:472
83:441 84:529 85:1016 86:382 87:697 88:425
89:1500 90:63 91:2645 92:424 93:1158 94:1297
95:825 96:200 97:273 98:412 99:31 109:160
110:270 111:460 112:146 113:174 114:285 115:355
116:1123 117:596 118:349 119:785 120:127 121:703
122:1304 123:777 124:1059 125:1350 128:222 129:218
130:133 131:425 132:75 133:16 134:186 135:43
136:233 137:166 138:180 139:84 140:441 141:122
142:387 143:343 144:365 145:49 146:395 147:171
148:559 149:196 150:150 151:172 152:216 153:160
154:2 155:274 156:167 157:313 158:95 159:360
160:293 161:173 162:274 163:159 164:278 165:468
166:490 167:390 168:750 169:160 170:554 171:43
172:1 173:391 174:392 178:1 180:174 184:1
186:157 187:190 188:1281 189:628 190:3250 192:5738
193:4282 194:3340 195:2730 196:1154 198:3566 199:3373
200:5206 201:1390 202:7901 203:8241 204:3937 205:2159
206:2403 207:3011 208:3975 209:3436 210:2541 211:1149
212:1652 213:1621 214:189 215:40 216:4416 217:1343
218:475 219:424 220:1140 221:452 222:304

End of report

cscora at apnic

Nov 20, 2009, 11:07 AM

Post #137 of 149 (2106 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 21 Nov, 2009

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

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

BGP routing table entries examined: 303515
Prefixes after maximum aggregation: 141876
Deaggregation factor: 2.14
Unique aggregates announced to Internet: 149990
Total ASes present in the Internet Routing Table: 32755
Prefixes per ASN: 9.27
Origin-only ASes present in the Internet Routing Table: 28465
Origin ASes announcing only one prefix: 13890
Transit ASes present in the Internet Routing Table: 4290
Transit-only ASes present in the Internet Routing Table: 101
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 641
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 325
Prefixes from 32-bit ASNs in the Routing Table: 268
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2135526784
Equivalent to 127 /8s, 73 /16s and 141 /24s
Percentage of available address space announced: 57.6
Percentage of allocated address space announced: 65.3
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.1
Total number of prefixes smaller than registry allocations: 145792

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

Prefixes being announced by APNIC Region ASes: 72525
Total APNIC prefixes after maximum aggregation: 25316
APNIC Deaggregation factor: 2.86
Prefixes being announced from the APNIC address blocks: 69057
Unique aggregates announced from the APNIC address blocks: 30639
APNIC Region origin ASes present in the Internet Routing Table: 3873
APNIC Prefixes per ASN: 17.83
APNIC Region origin ASes announcing only one prefix: 1056
APNIC Region transit ASes present in the Internet Routing Table: 595
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 471116320
Equivalent to 28 /8s, 20 /16s and 170 /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, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,

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

Prefixes being announced by ARIN Region ASes: 128091
Total ARIN prefixes after maximum aggregation: 67322
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 102319
Unique aggregates announced from the ARIN address blocks: 38824
ARIN Region origin ASes present in the Internet Routing Table: 13364
ARIN Prefixes per ASN: 7.66
ARIN Region origin ASes announcing only one prefix: 5178
ARIN Region transit ASes present in the Internet Routing Table: 1320
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 731512352
Equivalent to 43 /8s, 153 /16s and 254 /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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 70128
Total RIPE prefixes after maximum aggregation: 40973
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 63332
Unique aggregates announced from the RIPE address blocks: 42329
RIPE Region origin ASes present in the Internet Routing Table: 13789
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 7170
RIPE Region transit ASes present in the Internet Routing Table: 2068
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 405095104
Equivalent to 24 /8s, 37 /16s and 66 /24s
Percentage of available RIPE address space announced: 75.5

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 26381
Total LACNIC prefixes after maximum aggregation: 6416
LACNIC Deaggregation factor: 4.11
Prefixes being announced from the LACNIC address blocks: 24694
Unique aggregates announced from the LACNIC address blocks: 13655
LACNIC Region origin ASes present in the Internet Routing Table: 1209
LACNIC Prefixes per ASN: 20.43
LACNIC Region origin ASes announcing only one prefix: 389
LACNIC Region transit ASes present in the Internet Routing Table: 200
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 68308480
Equivalent to 4 /8s, 18 /16s and 78 /24s
Percentage of available LACNIC address space announced: 67.9

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

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

Prefixes being announced by AfriNIC Region ASes: 5891
Total AfriNIC prefixes after maximum aggregation: 1545
AfriNIC Deaggregation factor: 3.81
Prefixes being announced from the AfriNIC address blocks: 4280
Unique aggregates announced from the AfriNIC address blocks: 1382
AfriNIC Region origin ASes present in the Internet Routing Table: 332
AfriNIC Prefixes per ASN: 12.89
AfriNIC Region origin ASes announcing only one prefix: 97
AfriNIC Region transit ASes present in the Internet Routing Table: 69
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 13490176
Equivalent to 0 /8s, 205 /16s and 216 /24s
Percentage of available AfriNIC address space announced: 40.2

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1775 7507 461 Korea Telecom (KIX)
17488 1443 143 134 Hathway IP Over Cable Interne
4755 1277 292 148 TATA Communications formerly
4134 1011 19183 392 CHINANET-BACKBONE
9583 994 73 491 Sify Limited
18101 983 204 34 Reliance Infocom Ltd Internet
7545 905 199 100 TPG Internet Pty Ltd
17974 866 265 61 PT TELEKOMUNIKASI INDONESIA
9829 846 663 23 BSNL National Internet Backbo
24560 802 293 174 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4248 3879 312 bellsouth.net, inc.
4323 3739 1054 399 Time Warner Telecom
1785 1778 714 136 PaeTec Communications, Inc.
7018 1582 5838 1034 AT&T WorldNet Services
20115 1518 1483 665 Charter Communications
2386 1296 632 932 AT&T Data Communications Serv
6478 1280 267 368 AT&T Worldnet Services
3356 1227 10967 448 Level 3 Communications, LLC
11492 1142 222 14 Cable One
22773 1121 2600 66 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 514 98 207 Evolva Telecom
3292 446 1906 391 TDC Tele Danmark
35805 445 40 5 United Telecom of Georgia
702 418 1822 336 UUNET - Commercial IP service
9198 417 138 12 Kazakhtelecom Data Network Ad
8551 377 354 41 Bezeq International
8866 367 110 23 Bulgarian Telecommunication C
3320 357 7067 304 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 348 1412 303 TeliaNet Sweden

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1580 2899 232 UniNet S.A. de C.V.
10620 1017 226 110 TVCABLE BOGOTA
28573 811 665 87 NET Servicos de Comunicao S.A
7303 663 349 95 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 473 308 59 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 429 858 29 Telecomunicacoes da Bahia S.A
6471 423 96 31 ENTEL CHILE S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1045 188 7 TEDATA
24863 756 130 46 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 190 188 118 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 132 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
29975 122 506 15 Vodacom
5536 121 8 18 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4248 3879 312 bellsouth.net, inc.
4323 3739 1054 399 Time Warner Telecom
1785 1778 714 136 PaeTec Communications, Inc.
4766 1775 7507 461 Korea Telecom (KIX)
7018 1582 5838 1034 AT&T WorldNet Services
8151 1580 2899 232 UniNet S.A. de C.V.
20115 1518 1483 665 Charter Communications
17488 1443 143 134 Hathway IP Over Cable Interne
2386 1296 632 932 AT&T Data Communications Serv
6478 1280 267 368 AT&T Worldnet Services

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

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

ASN No of nets Net Savings Description
4323 3739 3340 Time Warner Telecom
1785 1778 1642 PaeTec Communications, Inc.
8151 1580 1348 UniNet S.A. de C.V.
4766 1775 1314 Korea Telecom (KIX)
17488 1443 1309 Hathway IP Over Cable Interne
4755 1277 1129 TATA Communications formerly
11492 1142 1128 Cable One
22773 1121 1055 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1045 1038 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:20 /9:10 /10:25 /11:65 /12:178
/13:361 /14:640 /15:1224 /16:10751 /17:4981 /18:8536
/19:17597 /20:21414 /21:21258 /22:27471 /23:27405 /24:158697
/25:934 /26:1126 /27:566 /28:229 /29:11 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2779 4248 bellsouth.net, inc.
4323 2359 3739 Time Warner Telecom
4766 1440 1775 Korea Telecom (KIX)
1785 1245 1778 PaeTec Communications, Inc.
17488 1219 1443 Hathway IP Over Cable Interne
11492 1064 1142 Cable One
18566 1040 1059 Covad Communications
7018 946 1582 AT&T WorldNet Services
8452 945 1045 TEDATA
10620 922 1017 TVCABLE BOGOTA

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

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

2:1 4:14 8:233 12:2104 13:8 15:22
16:3 17:5 20:36 24:1266 32:49 34:2
38:619 40:99 41:1803 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:632
59:610 60:444 61:978 62:949 63:1999 64:3686
65:2365 66:4077 67:1767 68:1001 69:2799 70:615
71:156 72:1752 73:2 74:2000 75:188 76:353
77:840 78:576 79:383 80:943 81:813 82:472
83:440 84:542 85:1023 86:382 87:693 88:424
89:1506 90:56 91:2644 92:427 93:1163 94:1300
95:822 96:201 97:273 98:417 99:30 109:164
110:285 111:456 112:147 113:174 114:291 115:357
116:1085 117:589 118:361 119:800 120:133 121:700
122:1302 123:780 124:1056 125:1352 128:222 129:204
130:135 131:442 132:82 133:16 134:187 135:43
136:232 137:166 138:236 139:84 140:458 141:122
142:385 143:343 144:383 145:52 146:394 147:173
148:557 149:193 150:148 151:171 152:219 153:160
154:2 155:274 156:166 157:313 158:95 159:361
160:294 161:174 162:276 163:163 164:278 165:468
166:490 167:392 168:751 169:160 170:555 171:43
172:1 173:397 174:397 180:184 183:134 184:1
186:176 187:179 188:1340 189:647 190:3244 192:5739
193:4305 194:3351 195:2749 196:1171 198:3575 199:3380
200:5221 201:1396 202:7913 203:8287 204:3960 205:2154
206:2407 207:3027 208:3979 209:3430 210:2529 211:1149
212:1635 213:1619 214:244 215:57 216:4432 217:1348
218:474 219:419 220:1137 221:451 222:300

End of report

cscora at apnic

Nov 27, 2009, 10:36 AM

Post #138 of 149 (2081 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 28 Nov, 2009

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

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

BGP routing table entries examined: 304342
Prefixes after maximum aggregation: 142008
Deaggregation factor: 2.14
Unique aggregates announced to Internet: 150155
Total ASes present in the Internet Routing Table: 32808
Prefixes per ASN: 9.28
Origin-only ASes present in the Internet Routing Table: 28489
Origin ASes announcing only one prefix: 13901
Transit ASes present in the Internet Routing Table: 4319
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 690
Unregistered ASNs in the Routing Table: 150
Number of 32-bit ASNs allocated by the RIRs: 338
Prefixes from 32-bit ASNs in the Routing Table: 278
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 206
Number of addresses announced to Internet: 2137469824
Equivalent to 127 /8s, 103 /16s and 51 /24s
Percentage of available address space announced: 57.7
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.2
Total number of prefixes smaller than registry allocations: 146251

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

Prefixes being announced by APNIC Region ASes: 72689
Total APNIC prefixes after maximum aggregation: 25380
APNIC Deaggregation factor: 2.86
Prefixes being announced from the APNIC address blocks: 69408
Unique aggregates announced from the APNIC address blocks: 30885
APNIC Region origin ASes present in the Internet Routing Table: 3882
APNIC Prefixes per ASN: 17.88
APNIC Region origin ASes announcing only one prefix: 1062
APNIC Region transit ASes present in the Internet Routing Table: 595
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 482336544
Equivalent to 28 /8s, 191 /16s and 223 /24s
Percentage of available APNIC address space announced: 79.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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,

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

Prefixes being announced by ARIN Region ASes: 128214
Total ARIN prefixes after maximum aggregation: 67287
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 102380
Unique aggregates announced from the ARIN address blocks: 38817
ARIN Region origin ASes present in the Internet Routing Table: 13369
ARIN Prefixes per ASN: 7.66
ARIN Region origin ASes announcing only one prefix: 5172
ARIN Region transit ASes present in the Internet Routing Table: 1330
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 731696160
Equivalent to 43 /8s, 156 /16s and 204 /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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 70605
Total RIPE prefixes after maximum aggregation: 41017
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 63782
Unique aggregates announced from the RIPE address blocks: 42335
RIPE Region origin ASes present in the Internet Routing Table: 13820
RIPE Prefixes per ASN: 4.62
RIPE Region origin ASes announcing only one prefix: 7179
RIPE Region transit ASes present in the Internet Routing Table: 2082
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 405627328
Equivalent to 24 /8s, 45 /16s and 97 /24s
Percentage of available RIPE address space announced: 75.6

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 26457
Total LACNIC prefixes after maximum aggregation: 6452
LACNIC Deaggregation factor: 4.10
Prefixes being announced from the LACNIC address blocks: 24770
Unique aggregates announced from the LACNIC address blocks: 13634
LACNIC Region origin ASes present in the Internet Routing Table: 1214
LACNIC Prefixes per ASN: 20.40
LACNIC Region origin ASes announcing only one prefix: 394
LACNIC Region transit ASes present in the Internet Routing Table: 201
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 68329472
Equivalent to 4 /8s, 18 /16s and 160 /24s
Percentage of available LACNIC address space announced: 67.9

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

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

Prefixes being announced by AfriNIC Region ASes: 5868
Total AfriNIC prefixes after maximum aggregation: 1557
AfriNIC Deaggregation factor: 3.77
Prefixes being announced from the AfriNIC address blocks: 4252
Unique aggregates announced from the AfriNIC address blocks: 1436
AfriNIC Region origin ASes present in the Internet Routing Table: 333
AfriNIC Prefixes per ASN: 12.77
AfriNIC Region origin ASes announcing only one prefix: 94
AfriNIC Region transit ASes present in the Internet Routing Table: 70
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13325568
Equivalent to 0 /8s, 203 /16s and 85 /24s
Percentage of available AfriNIC address space announced: 39.7

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1767 7507 461 Korea Telecom (KIX)
17488 1447 143 133 Hathway IP Over Cable Interne
4755 1278 296 148 TATA Communications formerly
4134 1013 19459 395 CHINANET-BACKBONE
9583 1007 75 495 Sify Limited
18101 984 204 35 Reliance Infocom Ltd Internet
7545 911 198 98 TPG Internet Pty Ltd
17974 861 265 60 PT TELEKOMUNIKASI INDONESIA
9829 848 664 24 BSNL National Internet Backbo
24560 806 293 175 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4244 3879 311 bellsouth.net, inc.
4323 3751 1069 399 Time Warner Telecom
1785 1780 714 136 PaeTec Communications, Inc.
7018 1589 5808 1034 AT&T WorldNet Services
20115 1520 1483 666 Charter Communications
2386 1297 632 933 AT&T Data Communications Serv
3356 1229 10966 447 Level 3 Communications, LLC
6478 1188 251 315 AT&T Worldnet Services
11492 1142 222 14 Cable One
22773 1123 2600 66 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 514 98 207 Evolva Telecom
9198 471 138 12 Kazakhtelecom Data Network Ad
35805 467 40 5 United Telecom of Georgia
3292 448 1906 393 TDC Tele Danmark
702 417 1837 335 UUNET - Commercial IP service
8551 377 354 41 Bezeq International
8866 371 110 23 Bulgarian Telecommunication C
3320 358 7067 304 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 347 1427 303 TeliaNet Sweden

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1567 2899 233 UniNet S.A. de C.V.
10620 1004 224 138 TVCABLE BOGOTA
28573 814 666 82 NET Servicos de Comunicao S.A
7303 664 350 95 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 474 308 59 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia S.A
6503 424 162 184 AVANTEL, S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1022 188 7 TEDATA
24863 753 130 46 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 190 188 118 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29975 134 506 15 Vodacom
29571 133 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4244 3879 311 bellsouth.net, inc.
4323 3751 1069 399 Time Warner Telecom
1785 1780 714 136 PaeTec Communications, Inc.
4766 1767 7507 461 Korea Telecom (KIX)
7018 1589 5808 1034 AT&T WorldNet Services
8151 1567 2899 233 UniNet S.A. de C.V.
20115 1520 1483 666 Charter Communications
17488 1447 143 133 Hathway IP Over Cable Interne
2386 1297 632 933 AT&T Data Communications Serv
4755 1278 296 148 TATA Communications formerly

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

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

ASN No of nets Net Savings Description
4323 3751 3352 Time Warner Telecom
1785 1780 1644 PaeTec Communications, Inc.
8151 1567 1334 UniNet S.A. de C.V.
17488 1447 1314 Hathway IP Over Cable Interne
4766 1767 1306 Korea Telecom (KIX)
4755 1278 1130 TATA Communications formerly
11492 1142 1128 Cable One
22773 1123 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1022 1015 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:20 /9:10 /10:25 /11:65 /12:178
/13:363 /14:642 /15:1224 /16:10738 /17:4984 /18:8576
/19:17619 /20:21420 /21:21367 /22:27577 /23:27485 /24:159184
/25:923 /26:1129 /27:569 /28:217 /29:11 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2776 4244 bellsouth.net, inc.
4323 2367 3751 Time Warner Telecom
4766 1435 1767 Korea Telecom (KIX)
1785 1247 1780 PaeTec Communications, Inc.
17488 1220 1447 Hathway IP Over Cable Interne
11492 1064 1142 Cable One
18566 1040 1059 Covad Communications
7018 954 1589 AT&T WorldNet Services
8452 920 1022 TEDATA
10620 909 1004 TVCABLE BOGOTA

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

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

2:1 4:14 8:236 12:2056 13:8 15:22
16:3 17:5 20:36 24:1269 32:49 34:2
38:621 40:99 41:1783 43:1 44:2 46:1
47:20 52:6 55:2 56:2 57:23 58:640
59:611 60:445 61:977 62:958 63:2005 64:3696
65:2365 66:4076 67:1782 68:1002 69:2817 70:630
71:156 72:1755 73:2 74:2014 75:188 76:355
77:849 78:601 79:388 80:944 81:815 82:475
83:439 84:528 85:1010 86:381 87:687 88:443
89:1576 90:63 91:2658 92:447 93:1153 94:1332
95:833 96:201 97:276 98:425 99:27 109:171
110:274 111:466 112:151 113:180 114:277 115:382
116:1086 117:594 118:366 119:802 120:139 121:702
122:1308 123:793 124:1056 125:1353 128:214 129:203
130:134 131:453 132:82 133:16 134:187 135:41
136:232 137:166 138:236 139:84 140:461 141:122
142:381 143:339 144:384 145:52 146:392 147:171
148:558 149:192 150:149 151:172 152:219 153:161
154:2 155:273 156:166 157:314 158:98 159:360
160:294 161:175 162:277 163:163 164:316 165:469
166:490 167:391 168:753 169:159 170:559 171:42
172:1 173:394 174:401 180:202 183:134 184:1
186:185 187:172 188:1354 189:635 190:3283 192:5736
193:4311 194:3354 195:2769 196:1181 198:3568 199:3385
200:5251 201:1408 202:7921 203:8267 204:3982 205:2156
206:2413 207:3042 208:3970 209:3396 210:2531 211:1152
212:1648 213:1614 214:245 215:57 216:4438 217:1360
218:474 219:419 220:1139 221:447 222:300

End of report

cscora at apnic

Dec 4, 2009, 12:34 PM

Post #139 of 149 (2020 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 05 Dec, 2009

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

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

BGP routing table entries examined: 305390
Prefixes after maximum aggregation: 142337
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 150539
Total ASes present in the Internet Routing Table: 32849
Prefixes per ASN: 9.30
Origin-only ASes present in the Internet Routing Table: 28510
Origin ASes announcing only one prefix: 13915
Transit ASes present in the Internet Routing Table: 4339
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1081
Unregistered ASNs in the Routing Table: 172
Number of 32-bit ASNs allocated by the RIRs: 342
Prefixes from 32-bit ASNs in the Routing Table: 281
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 174
Number of addresses announced to Internet: 2139389760
Equivalent to 127 /8s, 132 /16s and 127 /24s
Percentage of available address space announced: 57.7
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.2
Total number of prefixes smaller than registry allocations: 146684

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

Prefixes being announced by APNIC Region ASes: 72874
Total APNIC prefixes after maximum aggregation: 25430
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 69560
Unique aggregates announced from the APNIC address blocks: 30973
APNIC Region origin ASes present in the Internet Routing Table: 3883
APNIC Prefixes per ASN: 17.91
APNIC Region origin ASes announcing only one prefix: 1057
APNIC Region transit ASes present in the Internet Routing Table: 601
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 483411744
Equivalent to 28 /8s, 208 /16s and 71 /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, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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,

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

Prefixes being announced by ARIN Region ASes: 128363
Total ARIN prefixes after maximum aggregation: 67377
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 102877
Unique aggregates announced from the ARIN address blocks: 38831
ARIN Region origin ASes present in the Internet Routing Table: 13385
ARIN Prefixes per ASN: 7.69
ARIN Region origin ASes announcing only one prefix: 5182
ARIN Region transit ASes present in the Internet Routing Table: 1326
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 731875872
Equivalent to 43 /8s, 159 /16s and 138 /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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 70631
Total RIPE prefixes after maximum aggregation: 41162
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 63769
Unique aggregates announced from the RIPE address blocks: 42546
RIPE Region origin ASes present in the Internet Routing Table: 13833
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7185
RIPE Region transit ASes present in the Internet Routing Table: 2094
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 405643136
Equivalent to 24 /8s, 45 /16s and 159 /24s
Percentage of available RIPE address space announced: 75.6

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 26702
Total LACNIC prefixes after maximum aggregation: 6480
LACNIC Deaggregation factor: 4.12
Prefixes being announced from the LACNIC address blocks: 25010
Unique aggregates announced from the LACNIC address blocks: 13646
LACNIC Region origin ASes present in the Internet Routing Table: 1219
LACNIC Prefixes per ASN: 20.52
LACNIC Region origin ASes announcing only one prefix: 397
LACNIC Region transit ASes present in the Internet Routing Table: 203
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 68833280
Equivalent to 4 /8s, 26 /16s and 80 /24s
Percentage of available LACNIC address space announced: 68.4

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

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

Prefixes being announced by AfriNIC Region ASes: 5972
Total AfriNIC prefixes after maximum aggregation: 1567
AfriNIC Deaggregation factor: 3.81
Prefixes being announced from the AfriNIC address blocks: 4371
Unique aggregates announced from the AfriNIC address blocks: 1513
AfriNIC Region origin ASes present in the Internet Routing Table: 336
AfriNIC Prefixes per ASN: 13.01
AfriNIC Region origin ASes announcing only one prefix: 94
AfriNIC Region transit ASes present in the Internet Routing Table: 70
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 13172992
Equivalent to 0 /8s, 201 /16s and 1 /24s
Percentage of available AfriNIC address space announced: 39.3

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1750 7507 461 Korea Telecom (KIX)
17488 1458 143 132 Hathway IP Over Cable Interne
4755 1280 296 148 TATA Communications formerly
9583 1044 79 514 Sify Limited
4134 1015 19459 395 CHINANET-BACKBONE
18101 984 204 34 Reliance Infocom Ltd Internet
7545 918 198 97 TPG Internet Pty Ltd
17974 864 270 57 PT TELEKOMUNIKASI INDONESIA
9829 850 673 24 BSNL National Internet Backbo
24560 806 293 176 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4235 3879 311 bellsouth.net, inc.
4323 3756 1068 399 Time Warner Telecom
1785 1779 715 136 PaeTec Communications, Inc.
7018 1590 5809 1032 AT&T WorldNet Services
20115 1526 1484 667 Charter Communications
2386 1292 632 933 AT&T Data Communications Serv
3356 1219 10966 439 Level 3 Communications, LLC
6478 1179 255 334 AT&T Worldnet Services
11492 1145 222 14 Cable One
22773 1125 2600 66 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 516 98 207 Evolva Telecom
35805 475 40 5 United Telecom of Georgia
9198 471 138 12 Kazakhtelecom Data Network Ad
3292 449 1906 394 TDC Tele Danmark
702 416 1837 334 UUNET - Commercial IP service
8551 377 354 41 Bezeq International
8866 375 110 23 Bulgarian Telecommunication C
3320 359 7068 305 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 347 1411 303 TeliaNet Sweden

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1588 2899 231 UniNet S.A. de C.V.
10620 999 223 145 TVCABLE BOGOTA
28573 818 668 84 NET Servicos de Comunicao S.A
7303 665 351 96 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 474 308 59 Instituto Costarricense de El
11172 446 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia S.A
3816 425 193 71 Empresa Nacional de Telecomun

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1026 188 7 TEDATA
24863 756 128 63 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 176 195 102 Tertiary Education Network
6713 175 167 12 Itissalat Al-MAGHRIB
29571 150 15 8 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 124 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4235 3879 311 bellsouth.net, inc.
4323 3756 1068 399 Time Warner Telecom
1785 1779 715 136 PaeTec Communications, Inc.
4766 1750 7507 461 Korea Telecom (KIX)
7018 1590 5809 1032 AT&T WorldNet Services
8151 1588 2899 231 UniNet S.A. de C.V.
20115 1526 1484 667 Charter Communications
17488 1458 143 132 Hathway IP Over Cable Interne
2386 1292 632 933 AT&T Data Communications Serv
4755 1280 296 148 TATA Communications formerly

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

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

ASN No of nets Net Savings Description
4323 3756 3357 Time Warner Telecom
1785 1779 1643 PaeTec Communications, Inc.
8151 1588 1357 UniNet S.A. de C.V.
17488 1458 1326 Hathway IP Over Cable Interne
4766 1750 1289 Korea Telecom (KIX)
4755 1280 1132 TATA Communications formerly
11492 1145 1131 Cable One
22773 1125 1059 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1026 1019 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:20 /9:10 /10:25 /11:65 /12:177
/13:353 /14:644 /15:1224 /16:10779 /17:5006 /18:8561
/19:17650 /20:21503 /21:21436 /22:27640 /23:27536 /24:159858
/25:930 /26:1135 /27:577 /28:234 /29:11 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2772 4235 bellsouth.net, inc.
4323 2369 3756 Time Warner Telecom
4766 1430 1750 Korea Telecom (KIX)
1785 1244 1779 PaeTec Communications, Inc.
17488 1224 1458 Hathway IP Over Cable Interne
11492 1067 1145 Cable One
18566 1040 1059 Covad Communications
7018 955 1590 AT&T WorldNet Services
8452 924 1026 TEDATA
10620 905 999 TVCABLE BOGOTA

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

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

1:1 2:1 4:13 8:234 12:2057 13:8
15:22 16:3 17:5 20:37 24:1282 32:49
34:2 38:625 40:98 41:1838 43:1 44:3
46:1 47:21 52:6 55:2 56:2 57:23
58:647 59:612 60:445 61:974 62:960 63:2009
64:3750 65:2369 66:4099 67:1775 68:1018 69:2810
70:687 71:232 72:1889 73:2 74:2021 75:190
76:357 77:848 78:601 79:399 80:950 81:810
82:469 83:448 84:529 85:1014 86:380 87:681
88:445 89:1507 90:59 91:2644 92:441 93:1157
94:1348 95:832 96:201 97:278 98:429 99:27
109:179 110:278 111:480 112:152 113:190 114:287
115:391 116:1089 117:588 118:366 119:802 120:143
121:698 122:1304 123:797 124:1024 125:1346 128:212
129:200 130:134 131:460 132:82 133:16 134:180
135:40 136:230 137:167 138:239 139:82 140:458
141:122 142:380 143:341 144:393 145:52 146:390
147:171 148:565 149:191 150:148 151:171 152:220
153:161 154:2 155:269 156:167 157:317 158:97
159:359 160:294 161:174 162:279 163:162 164:314
165:472 166:491 167:392 168:754 169:159 170:560
171:42 172:1 173:385 174:424 180:209 183:160
184:1 186:234 187:174 188:1379 189:650 190:3363
192:5733 193:4309 194:3363 195:2779 196:1184 198:3574
199:3380 200:5241 201:1420 202:7924 203:8291 204:3981
205:2149 206:2411 207:3049 208:3967 209:3390 210:2548
211:1144 212:1632 213:1632 214:246 215:57 216:4422
217:1364 218:479 219:422 220:1138 221:448 222:301

End of report

cscora at apnic

Dec 11, 2009, 10:36 AM

Post #140 of 149 (1990 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 12 Dec, 2009

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

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

BGP routing table entries examined: 306287
Prefixes after maximum aggregation: 142533
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 150582
Total ASes present in the Internet Routing Table: 32907
Prefixes per ASN: 9.31
Origin-only ASes present in the Internet Routing Table: 28575
Origin ASes announcing only one prefix: 13946
Transit ASes present in the Internet Routing Table: 4332
Transit-only ASes present in the Internet Routing Table: 99
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 994
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 351
Prefixes from 32-bit ASNs in the Routing Table: 301
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2160649728
Equivalent to 128 /8s, 200 /16s and 230 /24s
Percentage of available address space announced: 58.3
Percentage of allocated address space announced: 66.1
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.3
Total number of prefixes smaller than registry allocations: 147120

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

Prefixes being announced by APNIC Region ASes: 73696
Total APNIC prefixes after maximum aggregation: 25498
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 70372
Unique aggregates announced from the APNIC address blocks: 31050
APNIC Region origin ASes present in the Internet Routing Table: 3895
APNIC Prefixes per ASN: 18.07
APNIC Region origin ASes announcing only one prefix: 1062
APNIC Region transit ASes present in the Internet Routing Table: 607
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 483880224
Equivalent to 28 /8s, 215 /16s and 109 /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, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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,

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

Prefixes being announced by ARIN Region ASes: 128493
Total ARIN prefixes after maximum aggregation: 67389
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103031
Unique aggregates announced from the ARIN address blocks: 38828
ARIN Region origin ASes present in the Internet Routing Table: 13397
ARIN Prefixes per ASN: 7.69
ARIN Region origin ASes announcing only one prefix: 5182
ARIN Region transit ASes present in the Internet Routing Table: 1322
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 733616416
Equivalent to 43 /8s, 186 /16s and 25 /24s
Percentage of available ARIN address space announced: 64.3

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 70531
Total RIPE prefixes after maximum aggregation: 41263
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 63953
Unique aggregates announced from the RIPE address blocks: 42662
RIPE Region origin ASes present in the Internet Routing Table: 13876
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7219
RIPE Region transit ASes present in the Internet Routing Table: 2088
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 406627904
Equivalent to 24 /8s, 60 /16s and 166 /24s
Percentage of available RIPE address space announced: 75.7

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 26775
Total LACNIC prefixes after maximum aggregation: 6482
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 25094
Unique aggregates announced from the LACNIC address blocks: 13714
LACNIC Region origin ASes present in the Internet Routing Table: 1220
LACNIC Prefixes per ASN: 20.57
LACNIC Region origin ASes announcing only one prefix: 390
LACNIC Region transit ASes present in the Internet Routing Table: 201
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69110272
Equivalent to 4 /8s, 30 /16s and 138 /24s
Percentage of available LACNIC address space announced: 68.7

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

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

Prefixes being announced by AfriNIC Region ASes: 5929
Total AfriNIC prefixes after maximum aggregation: 1581
AfriNIC Deaggregation factor: 3.75
Prefixes being announced from the AfriNIC address blocks: 4339
Unique aggregates announced from the AfriNIC address blocks: 1526
AfriNIC Region origin ASes present in the Internet Routing Table: 335
AfriNIC Prefixes per ASN: 12.95
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 72
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 14305536
Equivalent to 0 /8s, 218 /16s and 73 /24s
Percentage of available AfriNIC address space announced: 42.6

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1780 7509 461 Korea Telecom (KIX)
17488 1459 143 132 Hathway IP Over Cable Interne
4755 1278 295 147 TATA Communications formerly
4134 1012 19458 393 CHINANET-BACKBONE
9583 1007 75 500 Sify Limited
18101 992 204 34 Reliance Infocom Ltd Internet
7545 917 198 98 TPG Internet Pty Ltd
17974 849 270 58 PT TELEKOMUNIKASI INDONESIA
9829 832 674 22 BSNL National Internet Backbo
24560 810 294 176 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4232 3895 311 bellsouth.net, inc.
4323 3770 1068 401 Time Warner Telecom
1785 1791 699 135 PaeTec Communications, Inc.
7018 1588 5807 1031 AT&T WorldNet Services
20115 1525 1483 666 Charter Communications
2386 1293 632 933 AT&T Data Communications Serv
3356 1202 10945 426 Level 3 Communications, LLC
6478 1169 253 330 AT&T Worldnet Services
11492 1145 222 14 Cable One
22773 1123 2600 66 Cox Communications, Inc.

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 516 98 207 Evolva Telecom
9198 471 138 12 Kazakhtelecom Data Network Ad
35805 465 40 5 United Telecom of Georgia
3292 447 1903 392 TDC Tele Danmark
702 418 1837 336 UUNET - Commercial IP service
8551 377 354 41 Bezeq International
8866 375 110 23 Bulgarian Telecommunication C
3320 361 7068 307 Deutsche Telekom AG
3215 350 3160 112 France Telecom Transpac
3301 347 1411 303 TeliaNet Sweden

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1587 2899 231 UniNet S.A. de C.V.
10620 1002 223 136 TVCABLE BOGOTA
28573 821 669 84 NET Servicos de Comunicao S.A
7303 665 351 96 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 473 308 59 Instituto Costarricense de El
11172 446 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 432 858 29 Telecomunicacoes da Bahia S.A
6503 430 163 181 AVANTEL, S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1032 444 8 TEDATA
24863 709 143 52 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 Tertiary Education Network
6713 175 167 12 Itissalat Al-MAGHRIB
29571 152 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
5536 121 8 18 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
33776 112 6 14 Starcomms Nigeria Limited

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4232 3895 311 bellsouth.net, inc.
4323 3770 1068 401 Time Warner Telecom
1785 1791 699 135 PaeTec Communications, Inc.
4766 1780 7509 461 Korea Telecom (KIX)
7018 1588 5807 1031 AT&T WorldNet Services
8151 1587 2899 231 UniNet S.A. de C.V.
20115 1525 1483 666 Charter Communications
17488 1459 143 132 Hathway IP Over Cable Interne
2386 1293 632 933 AT&T Data Communications Serv
4755 1278 295 147 TATA Communications formerly

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

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

ASN No of nets Net Savings Description
4323 3770 3369 Time Warner Telecom
1785 1791 1656 PaeTec Communications, Inc.
8151 1587 1356 UniNet S.A. de C.V.
17488 1459 1327 Hathway IP Over Cable Interne
4766 1780 1319 Korea Telecom (KIX)
4755 1278 1131 TATA Communications formerly
11492 1145 1131 Cable One
22773 1123 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1032 1024 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:65 /12:180
/13:379 /14:645 /15:1228 /16:10813 /17:5022 /18:8568
/19:17677 /20:21536 /21:21484 /22:27765 /23:27724 /24:160197
/25:937 /26:1160 /27:589 /28:235 /29:11 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2768 4232 bellsouth.net, inc.
4323 2370 3770 Time Warner Telecom
4766 1431 1780 Korea Telecom (KIX)
1785 1256 1791 PaeTec Communications, Inc.
17488 1225 1459 Hathway IP Over Cable Interne
11492 1067 1145 Cable One
18566 1040 1059 Covad Communications
7018 954 1588 AT&T WorldNet Services
8452 928 1032 TEDATA
10620 907 1002 TVCABLE BOGOTA

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

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

1:1 2:1 4:13 8:225 12:2057 13:9
15:22 16:3 17:5 20:37 24:1283 32:49
38:629 40:99 41:1830 43:1 44:3 46:1
47:21 52:6 55:2 56:2 57:24 58:648
59:654 60:446 61:1102 62:971 63:2009 64:3769
65:2372 66:4103 67:1779 68:1026 69:2824 70:686
71:232 72:1879 73:2 74:2037 75:190 76:361
77:835 78:599 79:407 80:935 81:811 82:465
83:442 84:535 85:1021 86:381 87:677 88:420
89:1566 90:63 91:2654 92:445 93:1114 94:1343
95:834 96:183 97:285 98:403 99:24 109:186
110:278 111:499 112:157 113:205 114:288 115:478
116:1079 117:592 118:371 119:809 120:144 121:833
122:1311 123:796 124:1018 125:1341 128:212 129:201
130:134 131:460 132:83 133:16 134:183 135:41
136:229 137:168 138:239 139:81 140:456 141:121
142:375 143:340 144:390 145:53 146:390 147:173
148:568 149:192 150:148 151:173 152:219 153:161
154:2 155:270 156:171 157:326 158:97 159:357
160:298 161:174 162:281 163:163 164:308 165:471
166:490 167:392 168:753 169:159 170:563 171:42
172:1 173:391 174:442 180:205 183:162 184:3
186:194 187:166 188:1058 189:654 190:3401 192:5718
193:4321 194:3371 195:2780 196:1196 198:3565 199:3383
200:5247 201:1433 202:7978 203:8286 204:3988 205:2167
206:2407 207:3046 208:3962 209:3383 210:2562 211:1147
212:1645 213:1642 214:247 215:58 216:4423 217:1373
218:480 219:455 220:1146 221:448 222:300

End of report

cscora at apnic

Dec 18, 2009, 10:29 AM

Post #141 of 149 (1941 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 19 Dec, 2009

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

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

BGP routing table entries examined: 307389
Prefixes after maximum aggregation: 142780
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 151105
Total ASes present in the Internet Routing Table: 32965
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 28621
Origin ASes announcing only one prefix: 13977
Transit ASes present in the Internet Routing Table: 4344
Transit-only ASes present in the Internet Routing Table: 96
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 694
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 360
Prefixes from 32-bit ASNs in the Routing Table: 334
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2164856576
Equivalent to 129 /8s, 9 /16s and 23 /24s
Percentage of available address space announced: 58.4
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.5
Total number of prefixes smaller than registry allocations: 148286

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

Prefixes being announced by APNIC Region ASes: 74394
Total APNIC prefixes after maximum aggregation: 25612
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71083
Unique aggregates announced from the APNIC address blocks: 31155
APNIC Region origin ASes present in the Internet Routing Table: 3897
APNIC Prefixes per ASN: 18.24
APNIC Region origin ASes announcing only one prefix: 1056
APNIC Region transit ASes present in the Internet Routing Table: 603
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 485240352
Equivalent to 28 /8s, 236 /16s and 46 /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, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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,

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

Prefixes being announced by ARIN Region ASes: 128934
Total ARIN prefixes after maximum aggregation: 67391
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103169
Unique aggregates announced from the ARIN address blocks: 38997
ARIN Region origin ASes present in the Internet Routing Table: 13421
ARIN Prefixes per ASN: 7.69
ARIN Region origin ASes announcing only one prefix: 5191
ARIN Region transit ASes present in the Internet Routing Table: 1330
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 734074144
Equivalent to 43 /8s, 193 /16s and 21 /24s
Percentage of available ARIN address space announced: 64.3

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 70684
Total RIPE prefixes after maximum aggregation: 41371
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64090
Unique aggregates announced from the RIPE address blocks: 42777
RIPE Region origin ASes present in the Internet Routing Table: 13908
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7242
RIPE Region transit ASes present in the Internet Routing Table: 2095
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 408585280
Equivalent to 24 /8s, 90 /16s and 132 /24s
Percentage of available RIPE address space announced: 76.1

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 26860
Total LACNIC prefixes after maximum aggregation: 6489
LACNIC Deaggregation factor: 4.14
Prefixes being announced from the LACNIC address blocks: 25206
Unique aggregates announced from the LACNIC address blocks: 13774
LACNIC Region origin ASes present in the Internet Routing Table: 1223
LACNIC Prefixes per ASN: 20.61
LACNIC Region origin ASes announcing only one prefix: 396
LACNIC Region transit ASes present in the Internet Routing Table: 201
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69579776
Equivalent to 4 /8s, 37 /16s and 180 /24s
Percentage of available LACNIC address space announced: 69.1

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

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

Prefixes being announced by AfriNIC Region ASes: 5955
Total AfriNIC prefixes after maximum aggregation: 1588
AfriNIC Deaggregation factor: 3.75
Prefixes being announced from the AfriNIC address blocks: 4346
Unique aggregates announced from the AfriNIC address blocks: 1542
AfriNIC Region origin ASes present in the Internet Routing Table: 336
AfriNIC Prefixes per ASN: 12.93
AfriNIC Region origin ASes announcing only one prefix: 92
AfriNIC Region transit ASes present in the Internet Routing Table: 72
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14326784
Equivalent to 0 /8s, 218 /16s and 156 /24s
Percentage of available AfriNIC address space announced: 42.7

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1776 7509 465 Korea Telecom (KIX)
17488 1458 145 133 Hathway IP Over Cable Interne
4755 1280 291 146 TATA Communications formerly
4134 1016 19444 396 CHINANET-BACKBONE
9583 999 75 502 Sify Limited
18101 993 204 35 Reliance Infocom Ltd Internet
7545 919 198 96 TPG Internet Pty Ltd
17974 846 272 61 PT TELEKOMUNIKASI INDONESIA
9829 844 676 23 BSNL National Internet Backbo
24560 814 295 177 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4191 3892 302 bellsouth.net, inc.
4323 3773 1067 400 Time Warner Telecom
1785 1796 699 134 PaeTec Communications, Inc.
7018 1590 5807 1035 AT&T WorldNet Services
20115 1530 1484 665 Charter Communications
2386 1289 616 930 AT&T Data Communications Serv
3356 1198 10929 423 Level 3 Communications, LLC
11492 1151 222 14 Cable One
22773 1122 2600 66 Cox Communications, Inc.
6478 1109 244 291 AT&T Worldnet Services

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 516 98 207 Evolva Telecom
35805 471 40 5 United Telecom of Georgia
9198 451 202 13 Kazakhtelecom Data Network Ad
3292 446 1903 391 TDC Tele Danmark
702 419 1837 337 UUNET - Commercial IP service
8866 378 110 23 Bulgarian Telecommunication C
8551 376 354 41 Bezeq International
3320 361 7068 307 Deutsche Telekom AG
3301 351 1412 307 TeliaNet Sweden
3215 349 3160 112 France Telecom Transpac

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1582 2899 230 UniNet S.A. de C.V.
10620 1003 223 130 TVCABLE BOGOTA
28573 828 673 83 NET Servicos de Comunicao S.A
7303 665 351 96 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
11172 446 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 432 858 29 Telecomunicacoes da Bahia S.A
3816 428 193 71 Empresa Nacional de Telecomun

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1035 444 8 TEDATA
24863 713 142 54 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 152 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 115 505 67 Telkom SA Ltd

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4191 3892 302 bellsouth.net, inc.
4323 3773 1067 400 Time Warner Telecom
1785 1796 699 134 PaeTec Communications, Inc.
4766 1776 7509 465 Korea Telecom (KIX)
7018 1590 5807 1035 AT&T WorldNet Services
8151 1582 2899 230 UniNet S.A. de C.V.
20115 1530 1484 665 Charter Communications
17488 1458 145 133 Hathway IP Over Cable Interne
2386 1289 616 930 AT&T Data Communications Serv
4755 1280 291 146 TATA Communications formerly

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

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

ASN No of nets Net Savings Description
4323 3773 3373 Time Warner Telecom
1785 1796 1662 PaeTec Communications, Inc.
8151 1582 1352 UniNet S.A. de C.V.
17488 1458 1325 Hathway IP Over Cable Interne
4766 1776 1311 Korea Telecom (KIX)
11492 1151 1137 Cable One
4755 1280 1134 TATA Communications formerly
22773 1122 1056 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1035 1027 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:65 /12:181
/13:381 /14:649 /15:1228 /16:10826 /17:5031 /18:8597
/19:17710 /20:21612 /21:21499 /22:27879 /23:28155 /24:160576
/25:931 /26:1169 /27:585 /28:232 /29:11 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2731 4191 bellsouth.net, inc.
4323 2368 3773 Time Warner Telecom
4766 1426 1776 Korea Telecom (KIX)
1785 1263 1796 PaeTec Communications, Inc.
17488 1224 1458 Hathway IP Over Cable Interne
11492 1072 1151 Cable One
18566 1040 1059 Covad Communications
7018 956 1590 AT&T WorldNet Services
8452 931 1035 TEDATA
10620 908 1003 TVCABLE BOGOTA

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

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

1:1 2:1 4:13 8:239 12:2017 13:9
15:22 16:3 17:8 20:37 24:1286 32:49
38:628 40:99 41:1853 43:1 44:3 46:1
47:21 52:6 55:2 56:2 57:24 58:646
59:660 60:446 61:1099 62:968 63:2020 64:3790
65:2374 66:4102 67:1757 68:1034 69:2840 70:685
71:232 72:1880 73:3 74:2046 75:224 76:366
77:857 78:602 79:402 80:949 81:812 82:467
83:442 84:533 85:1016 86:375 87:690 88:417
89:1559 90:63 91:2668 92:450 93:1131 94:1314
95:830 96:194 97:290 98:430 99:23 109:188
110:280 111:510 112:163 113:218 114:304 115:471
116:1089 117:595 118:366 119:813 120:144 121:833
122:1359 123:797 124:1025 125:1302 128:211 129:201
130:134 131:439 132:81 133:16 134:185 135:41
136:228 137:164 138:234 139:82 140:453 141:122
142:377 143:334 144:390 145:53 146:390 147:171
148:566 149:193 150:148 151:172 152:226 153:161
154:2 155:270 156:171 157:331 158:97 159:355
160:303 161:174 162:281 163:163 164:308 165:471
166:492 167:392 168:760 169:160 170:568 171:42
172:1 173:408 174:448 175:16 180:248 183:169
184:3 186:242 187:219 188:1086 189:620 190:3393
192:5712 193:4349 194:3373 195:2779 196:1197 198:3541
199:3393 200:5226 201:1436 202:7977 203:8308 204:3981
205:2156 206:2400 207:3049 208:3952 209:3404 210:2563
211:1147 212:1648 213:1646 214:233 215:45 216:4430
217:1367 218:478 219:455 220:1151 221:447 222:300

End of report

cscora at apnic

Dec 25, 2009, 10:31 AM

Post #142 of 149 (1910 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 26 Dec, 2009

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

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

BGP routing table entries examined: 308286
Prefixes after maximum aggregation: 143053
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 151084
Total ASes present in the Internet Routing Table: 32979
Prefixes per ASN: 9.35
Origin-only ASes present in the Internet Routing Table: 28631
Origin ASes announcing only one prefix: 13989
Transit ASes present in the Internet Routing Table: 4348
Transit-only ASes present in the Internet Routing Table: 99
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 53
Max AS path prepend of ASN (38753) 50
Prefixes from unregistered ASNs in the Routing Table: 698
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 377
Prefixes from 32-bit ASNs in the Routing Table: 335
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2166385920
Equivalent to 129 /8s, 32 /16s and 109 /24s
Percentage of available address space announced: 58.4
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.5
Total number of prefixes smaller than registry allocations: 148666

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

Prefixes being announced by APNIC Region ASes: 74669
Total APNIC prefixes after maximum aggregation: 25729
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71353
Unique aggregates announced from the APNIC address blocks: 31168
APNIC Region origin ASes present in the Internet Routing Table: 3892
APNIC Prefixes per ASN: 18.33
APNIC Region origin ASes announcing only one prefix: 1060
APNIC Region transit ASes present in the Internet Routing Table: 606
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 53
Number of APNIC addresses announced to Internet: 486028576
Equivalent to 28 /8s, 248 /16s and 53 /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, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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,

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

Prefixes being announced by ARIN Region ASes: 129610
Total ARIN prefixes after maximum aggregation: 67484
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103736
Unique aggregates announced from the ARIN address blocks: 39062
ARIN Region origin ASes present in the Internet Routing Table: 13437
ARIN Prefixes per ASN: 7.72
ARIN Region origin ASes announcing only one prefix: 5206
ARIN Region transit ASes present in the Internet Routing Table: 1334
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 734241056
Equivalent to 43 /8s, 195 /16s and 161 /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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 70597
Total RIPE prefixes after maximum aggregation: 41388
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 63982
Unique aggregates announced from the RIPE address blocks: 42697
RIPE Region origin ASes present in the Internet Routing Table: 13910
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7240
RIPE Region transit ASes present in the Internet Routing Table: 2094
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 409151808
Equivalent to 24 /8s, 99 /16s and 41 /24s
Percentage of available RIPE address space announced: 76.2

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 26893
Total LACNIC prefixes after maximum aggregation: 6525
LACNIC Deaggregation factor: 4.12
Prefixes being announced from the LACNIC address blocks: 25237
Unique aggregates announced from the LACNIC address blocks: 13799
LACNIC Region origin ASes present in the Internet Routing Table: 1223
LACNIC Prefixes per ASN: 20.64
LACNIC Region origin ASes announcing only one prefix: 391
LACNIC Region transit ASes present in the Internet Routing Table: 202
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69604864
Equivalent to 4 /8s, 38 /16s and 22 /24s
Percentage of available LACNIC address space announced: 69.1

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

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

Prefixes being announced by AfriNIC Region ASes: 5959
Total AfriNIC prefixes after maximum aggregation: 1595
AfriNIC Deaggregation factor: 3.74
Prefixes being announced from the AfriNIC address blocks: 4364
Unique aggregates announced from the AfriNIC address blocks: 1547
AfriNIC Region origin ASes present in the Internet Routing Table: 335
AfriNIC Prefixes per ASN: 13.03
AfriNIC Region origin ASes announcing only one prefix: 92
AfriNIC Region transit ASes present in the Internet Routing Table: 71
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14527744
Equivalent to 0 /8s, 221 /16s and 173 /24s
Percentage of available AfriNIC address space announced: 43.3

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1785 7509 465 Korea Telecom (KIX)
17488 1459 145 133 Hathway IP Over Cable Interne
4755 1285 291 146 TATA Communications formerly
4134 1014 19445 398 CHINANET-BACKBONE
9583 998 75 505 Sify Limited
18101 997 204 37 Reliance Infocom Ltd Internet
7545 920 198 94 TPG Internet Pty Ltd
9829 848 676 23 BSNL National Internet Backbo
17974 843 272 62 PT TELEKOMUNIKASI INDONESIA
4808 833 1583 211 CNCGROUP IP network: China169

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4187 3891 306 bellsouth.net, inc.
4323 3777 1068 400 Time Warner Telecom
1785 1798 699 134 PaeTec Communications, Inc.
7018 1588 5791 1031 AT&T WorldNet Services
20115 1534 1486 666 Charter Communications
2386 1287 615 928 AT&T Data Communications Serv
3356 1205 10930 424 Level 3 Communications, LLC
11492 1153 222 14 Cable One
22773 1122 2600 66 Cox Communications, Inc.
6478 1099 242 304 AT&T Worldnet Services

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 518 99 208 Evolva Telecom
35805 511 40 5 United Telecom of Georgia
3292 448 1903 393 TDC Tele Danmark
702 419 1837 337 UUNET - Commercial IP service
8551 386 354 41 Bezeq International
8866 378 110 23 Bulgarian Telecommunication C
3320 361 7068 307 Deutsche Telekom AG
3301 350 1412 306 TeliaNet Sweden
3215 349 3160 112 France Telecom Transpac
12479 314 578 6 Uni2 Autonomous System

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1570 2898 230 UniNet S.A. de C.V.
10620 1005 224 131 TVCABLE BOGOTA
28573 829 674 84 NET Servicos de Comunicao S.A
7303 665 351 96 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
11172 446 99 70 Servicios Alestra S.A de C.V
6503 444 163 183 AVANTEL, S.A.
14117 437 29 11 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia S.A

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1039 444 8 TEDATA
24863 714 142 54 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 157 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 114 505 68 Telkom SA Ltd

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4187 3891 306 bellsouth.net, inc.
4323 3777 1068 400 Time Warner Telecom
1785 1798 699 134 PaeTec Communications, Inc.
4766 1785 7509 465 Korea Telecom (KIX)
7018 1588 5791 1031 AT&T WorldNet Services
8151 1570 2898 230 UniNet S.A. de C.V.
20115 1534 1486 666 Charter Communications
17488 1459 145 133 Hathway IP Over Cable Interne
2386 1287 615 928 AT&T Data Communications Serv
4755 1285 291 146 TATA Communications formerly

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

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

ASN No of nets Net Savings Description
4323 3777 3377 Time Warner Telecom
1785 1798 1664 PaeTec Communications, Inc.
8151 1570 1340 UniNet S.A. de C.V.
17488 1459 1326 Hathway IP Over Cable Interne
4766 1785 1320 Korea Telecom (KIX)
4755 1285 1139 TATA Communications formerly
11492 1153 1139 Cable One
22773 1122 1056 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1039 1031 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:65 /12:181
/13:381 /14:652 /15:1234 /16:10834 /17:5044 /18:8613
/19:17732 /20:21648 /21:21638 /22:27984 /23:28122 /24:161157
/25:934 /26:1177 /27:585 /28:222 /29:11 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2727 4187 bellsouth.net, inc.
4323 2368 3777 Time Warner Telecom
4766 1435 1785 Korea Telecom (KIX)
1785 1265 1798 PaeTec Communications, Inc.
17488 1224 1459 Hathway IP Over Cable Interne
11492 1073 1153 Cable One
18566 1040 1059 Covad Communications
7018 958 1588 AT&T WorldNet Services
8452 935 1039 TEDATA
10620 910 1005 TVCABLE BOGOTA

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

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

2:1 4:13 8:242 12:2019 13:9 15:22
16:3 17:8 20:37 24:1291 32:49 38:637
40:99 41:1868 44:3 46:1 47:30 52:6
55:2 56:2 57:24 58:644 59:657 60:446
61:1098 62:970 63:2014 64:3801 65:2371 66:4117
67:1855 68:1041 69:2807 70:686 71:231 72:1884
73:3 74:2075 75:223 76:362 77:864 78:600
79:405 80:963 81:803 82:460 83:439 84:515
85:1000 86:379 87:692 88:420 89:1550 90:63
91:2667 92:418 93:1137 94:1340 95:785 96:194
97:290 98:463 99:23 109:202 110:281 111:516
112:161 113:219 114:296 115:470 116:1091 117:592
118:385 119:804 120:148 121:823 122:1359 123:806
124:1012 125:1303 128:212 129:201 130:134 131:455
132:83 133:16 134:188 135:41 136:228 137:168
138:234 139:82 140:463 141:122 142:376 143:335
144:390 145:53 146:390 147:180 148:564 149:196
150:151 151:172 152:228 153:162 154:2 155:270
156:174 157:332 158:98 159:355 160:305 161:174
162:281 163:221 164:309 165:472 166:490 167:393
168:761 169:160 170:571 171:42 172:1 173:404
174:529 175:20 180:268 183:171 184:3 186:243
187:217 188:1075 189:613 190:3415 192:5713 193:4361
194:3368 195:2776 196:1183 198:3552 199:3389 200:5233
201:1448 202:8018 203:8311 204:3984 205:2168 206:2424
207:3072 208:3944 209:3425 210:2565 211:1158 212:1652
213:1646 214:261 215:58 216:4438 217:1380 218:478
219:455 220:1166 221:449 222:300

End of report

cscora at apnic

Jan 1, 2010, 10:29 AM

Post #143 of 149 (1863 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 02 Jan, 2010

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

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

BGP routing table entries examined: 307533
Prefixes after maximum aggregation: 143181
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 151348
Total ASes present in the Internet Routing Table: 33011
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 28654
Origin ASes announcing only one prefix: 14007
Transit ASes present in the Internet Routing Table: 4357
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 715
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 383
Prefixes from 32-bit ASNs in the Routing Table: 339
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2167751936
Equivalent to 129 /8s, 53 /16s and 69 /24s
Percentage of available address space announced: 58.5
Percentage of allocated address space announced: 66.3
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.5
Total number of prefixes smaller than registry allocations: 148125

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

Prefixes being announced by APNIC Region ASes: 74089
Total APNIC prefixes after maximum aggregation: 25790
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 70774
Unique aggregates announced from the APNIC address blocks: 31309
APNIC Region origin ASes present in the Internet Routing Table: 3905
APNIC Prefixes per ASN: 18.12
APNIC Region origin ASes announcing only one prefix: 1068
APNIC Region transit ASes present in the Internet Routing Table: 607
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 486372128
Equivalent to 28 /8s, 253 /16s and 115 /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, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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,

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

Prefixes being announced by ARIN Region ASes: 129256
Total ARIN prefixes after maximum aggregation: 67488
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103378
Unique aggregates announced from the ARIN address blocks: 39110
ARIN Region origin ASes present in the Internet Routing Table: 13433
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 5203
ARIN Region transit ASes present in the Internet Routing Table: 1329
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 734383904
Equivalent to 43 /8s, 197 /16s and 207 /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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 70759
Total RIPE prefixes after maximum aggregation: 41424
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64080
Unique aggregates announced from the RIPE address blocks: 42712
RIPE Region origin ASes present in the Internet Routing Table: 13931
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7257
RIPE Region transit ASes present in the Internet Routing Table: 2102
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 409348160
Equivalent to 24 /8s, 102 /16s and 40 /24s
Percentage of available RIPE address space announced: 76.2

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 26903
Total LACNIC prefixes after maximum aggregation: 6534
LACNIC Deaggregation factor: 4.12
Prefixes being announced from the LACNIC address blocks: 25272
Unique aggregates announced from the LACNIC address blocks: 13806
LACNIC Region origin ASes present in the Internet Routing Table: 1220
LACNIC Prefixes per ASN: 20.71
LACNIC Region origin ASes announcing only one prefix: 386
LACNIC Region transit ASes present in the Internet Routing Table: 201
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 69882624
Equivalent to 4 /8s, 42 /16s and 83 /24s
Percentage of available LACNIC address space announced: 69.4

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

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

Prefixes being announced by AfriNIC Region ASes: 5961
Total AfriNIC prefixes after maximum aggregation: 1605
AfriNIC Deaggregation factor: 3.71
Prefixes being announced from the AfriNIC address blocks: 4352
Unique aggregates announced from the AfriNIC address blocks: 1561
AfriNIC Region origin ASes present in the Internet Routing Table: 336
AfriNIC Prefixes per ASN: 12.95
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 70
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14596352
Equivalent to 0 /8s, 222 /16s and 185 /24s
Percentage of available AfriNIC address space announced: 43.5

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1839 7510 477 Korea Telecom (KIX)
17488 1460 144 142 Hathway IP Over Cable Interne
4755 1279 289 144 TATA Communications formerly
4134 1016 19461 399 CHINANET-BACKBONE
18101 1010 204 37 Reliance Infocom Ltd Internet
9583 1000 75 502 Sify Limited
7545 922 198 96 TPG Internet Pty Ltd
17974 859 273 61 PT TELEKOMUNIKASI INDONESIA
9829 853 677 24 BSNL National Internet Backbo
4808 833 1583 211 CNCGROUP IP network: China169

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4166 3891 300 bellsouth.net, inc.
4323 3779 1052 399 Time Warner Telecom
1785 1799 699 133 PaeTec Communications, Inc.
7018 1589 5791 1030 AT&T WorldNet Services
20115 1535 1487 667 Charter Communications
2386 1291 617 928 AT&T Data Communications Serv
3356 1203 10929 423 Level 3 Communications, LLC
11492 1153 222 14 Cable One
22773 1123 2600 66 Cox Communications, Inc.
6478 1094 241 304 AT&T Worldnet Services

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 517 98 207 Evolva Telecom
35805 515 40 5 United Telecom of Georgia
3292 448 1903 393 TDC Tele Danmark
702 419 1837 337 UUNET - Commercial IP service
8551 391 354 40 Bezeq International
8866 374 110 23 Bulgarian Telecommunication C
3320 363 7068 309 Deutsche Telekom AG
3301 351 1412 306 TeliaNet Sweden
3215 349 3160 112 France Telecom Transpac
9198 329 202 13 Kazakhtelecom Data Network Ad

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1572 2898 233 UniNet S.A. de C.V.
10620 1005 224 131 TVCABLE BOGOTA
28573 829 674 84 NET Servicos de Comunicao S.A
7303 664 351 98 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
6503 432 163 178 AVANTEL, S.A.
7738 431 858 29 Telecomunicacoes da Bahia S.A

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1015 444 8 TEDATA
24863 717 143 53 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 Tertiary Education Network
6713 176 166 16 Itissalat Al-MAGHRIB
29571 157 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 114 505 68 Telkom SA Ltd

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4166 3891 300 bellsouth.net, inc.
4323 3779 1052 399 Time Warner Telecom
4766 1839 7510 477 Korea Telecom (KIX)
1785 1799 699 133 PaeTec Communications, Inc.
7018 1589 5791 1030 AT&T WorldNet Services
8151 1572 2898 233 UniNet S.A. de C.V.
20115 1535 1487 667 Charter Communications
17488 1460 144 142 Hathway IP Over Cable Interne
2386 1291 617 928 AT&T Data Communications Serv
4755 1279 289 144 TATA Communications formerly

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

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

ASN No of nets Net Savings Description
4323 3779 3380 Time Warner Telecom
1785 1799 1666 PaeTec Communications, Inc.
4766 1839 1362 Korea Telecom (KIX)
8151 1572 1339 UniNet S.A. de C.V.
17488 1460 1318 Hathway IP Over Cable Interne
11492 1153 1139 Cable One
4755 1279 1135 TATA Communications formerly
22773 1123 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1015 1007 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:65 /12:181
/13:382 /14:653 /15:1233 /16:10825 /17:5041 /18:8614
/19:17705 /20:21604 /21:21482 /22:27858 /23:28034 /24:160868
/25:926 /26:1173 /27:582 /28:224 /29:11 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2724 4166 bellsouth.net, inc.
4323 2368 3779 Time Warner Telecom
4766 1479 1839 Korea Telecom (KIX)
1785 1267 1799 PaeTec Communications, Inc.
17488 1228 1460 Hathway IP Over Cable Interne
11492 1073 1153 Cable One
18566 1040 1059 Covad Communications
7018 960 1589 AT&T WorldNet Services
8452 911 1015 TEDATA
10620 910 1005 TVCABLE BOGOTA

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

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

2:1 4:13 8:243 12:2011 13:9 15:22
16:3 17:8 20:37 24:1291 32:49 38:637
40:99 41:1848 44:3 46:1 47:30 52:6
55:2 56:2 57:24 58:646 59:619 60:446
61:976 62:977 63:2009 64:3793 65:2368 66:4102
67:1838 68:1041 69:2837 70:688 71:231 72:1883
73:3 74:2075 75:225 76:359 77:873 78:602
79:405 80:965 81:802 82:462 83:441 84:508
85:1008 86:381 87:688 88:423 89:1549 90:64
91:2659 92:425 93:1144 94:1345 95:794 96:195
97:289 98:454 99:23 109:203 110:283 111:547
112:169 113:224 114:301 115:402 116:1109 117:592
118:386 119:810 120:148 121:699 122:1377 123:814
124:1025 125:1305 128:212 129:201 130:134 131:459
132:85 133:16 134:188 135:41 136:228 137:176
138:235 139:81 140:463 141:122 142:375 143:340
144:393 145:53 146:387 147:179 148:556 149:196
150:146 151:172 152:228 153:162 154:2 155:270
156:178 157:330 158:98 159:355 160:306 161:175
162:281 163:188 164:309 165:472 166:489 167:393
168:761 169:159 170:567 171:42 172:1 173:407
174:513 175:21 180:267 183:190 184:3 186:242
187:219 188:1121 189:613 190:3430 192:5718 193:4375
194:3364 195:2775 196:1197 198:3552 199:3395 200:5248
201:1446 202:8058 203:8273 204:3984 205:2173 206:2410
207:3053 208:3948 209:3392 210:2525 211:1170 212:1655
213:1651 214:250 215:56 216:4428 217:1389 218:477
219:422 220:1150 221:455 222:301

End of report

cscora at apnic

Jan 8, 2010, 10:43 AM

Post #144 of 149 (1812 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 09 Jan, 2010

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

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

BGP routing table entries examined: 307662
Prefixes after maximum aggregation: 143300
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 151565
Total ASes present in the Internet Routing Table: 33037
Prefixes per ASN: 9.31
Origin-only ASes present in the Internet Routing Table: 28698
Origin ASes announcing only one prefix: 14013
Transit ASes present in the Internet Routing Table: 4339
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN ( 9503) 20
Prefixes from unregistered ASNs in the Routing Table: 731
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 385
Prefixes from 32-bit ASNs in the Routing Table: 335
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 186
Number of addresses announced to Internet: 2169545344
Equivalent to 129 /8s, 80 /16s and 162 /24s
Percentage of available address space announced: 58.5
Percentage of allocated address space announced: 66.3
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.7
Total number of prefixes smaller than registry allocations: 148143

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

Prefixes being announced by APNIC Region ASes: 73972
Total APNIC prefixes after maximum aggregation: 25793
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 70662
Unique aggregates announced from the APNIC address blocks: 31402
APNIC Region origin ASes present in the Internet Routing Table: 3913
APNIC Prefixes per ASN: 18.06
APNIC Region origin ASes announcing only one prefix: 1071
APNIC Region transit ASes present in the Internet Routing Table: 612
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 486803488
Equivalent to 29 /8s, 4 /16s and 8 /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, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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,

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

Prefixes being announced by ARIN Region ASes: 129255
Total ARIN prefixes after maximum aggregation: 67559
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103380
Unique aggregates announced from the ARIN address blocks: 39158
ARIN Region origin ASes present in the Internet Routing Table: 13428
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 5201
ARIN Region transit ASes present in the Internet Routing Table: 1323
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 735019296
Equivalent to 43 /8s, 207 /16s and 129 /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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 70912
Total RIPE prefixes after maximum aggregation: 41459
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64240
Unique aggregates announced from the RIPE address blocks: 42763
RIPE Region origin ASes present in the Internet Routing Table: 13948
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7257
RIPE Region transit ASes present in the Internet Routing Table: 2088
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 409561344
Equivalent to 24 /8s, 105 /16s and 105 /24s
Percentage of available RIPE address space announced: 76.3

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 26966
Total LACNIC prefixes after maximum aggregation: 6530
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 25329
Unique aggregates announced from the LACNIC address blocks: 13780
LACNIC Region origin ASes present in the Internet Routing Table: 1225
LACNIC Prefixes per ASN: 20.68
LACNIC Region origin ASes announcing only one prefix: 391
LACNIC Region transit ASes present in the Internet Routing Table: 204
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69899712
Equivalent to 4 /8s, 42 /16s and 149 /24s
Percentage of available LACNIC address space announced: 69.4

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

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

Prefixes being announced by AfriNIC Region ASes: 5994
Total AfriNIC prefixes after maximum aggregation: 1610
AfriNIC Deaggregation factor: 3.72
Prefixes being announced from the AfriNIC address blocks: 4375
Unique aggregates announced from the AfriNIC address blocks: 1592
AfriNIC Region origin ASes present in the Internet Routing Table: 337
AfriNIC Prefixes per ASN: 12.98
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 69
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC addresses announced to Internet: 14742016
Equivalent to 0 /8s, 224 /16s and 242 /24s
Percentage of available AfriNIC address space announced: 43.9

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1831 7509 473 Korea Telecom (KIX)
17488 1464 144 140 Hathway IP Over Cable Interne
4755 1281 289 144 TATA Communications formerly
18101 1033 220 38 Reliance Infocom Ltd Internet
4134 1018 19477 400 CHINANET-BACKBONE
9583 998 74 503 Sify Limited
7545 920 198 98 TPG Internet Pty Ltd
17974 844 271 55 PT TELEKOMUNIKASI INDONESIA
4808 836 1583 213 CNCGROUP IP network: China169
9829 835 679 22 BSNL National Internet Backbo

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4165 3891 301 bellsouth.net, inc.
4323 3783 1068 400 Time Warner Telecom
1785 1796 699 134 PaeTec Communications, Inc.
7018 1589 5791 1028 AT&T WorldNet Services
20115 1537 1487 666 Charter Communications
2386 1294 617 930 AT&T Data Communications Serv
3356 1200 10929 423 Level 3 Communications, LLC
11492 1154 222 14 Cable One
22773 1124 2600 66 Cox Communications, Inc.
6478 1092 241 298 AT&T Worldnet Services

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

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

ASN No of nets /20 equiv MaxAgg Description
30890 516 98 206 Evolva Telecom
35805 466 40 5 United Telecom of Georgia
3292 448 1903 393 TDC Tele Danmark
9198 426 202 13 Kazakhtelecom Data Network Ad
702 419 1837 337 UUNET - Commercial IP service
8551 396 353 37 Bezeq International
8866 374 110 23 Bulgarian Telecommunication C
3320 361 7068 307 Deutsche Telekom AG
3301 352 1412 307 TeliaNet Sweden
3215 350 3168 107 France Telecom Transpac

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1576 2899 232 UniNet S.A. de C.V.
10620 1004 224 130 TVCABLE BOGOTA
28573 832 674 85 NET Servicos de Comunicao S.A
7303 668 352 98 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
6503 446 163 185 AVANTEL, S.A.
11172 444 99 69 Servicios Alestra S.A de C.V
14117 436 29 11 Telefonica del Sur S.A.
3816 431 193 69 Empresa Nacional de Telecomun

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1017 444 8 TEDATA
24863 719 143 53 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 161 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 114 505 68 Telkom SA Ltd

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4165 3891 301 bellsouth.net, inc.
4323 3783 1068 400 Time Warner Telecom
4766 1831 7509 473 Korea Telecom (KIX)
1785 1796 699 134 PaeTec Communications, Inc.
7018 1589 5791 1028 AT&T WorldNet Services
8151 1576 2899 232 UniNet S.A. de C.V.
20115 1537 1487 666 Charter Communications
17488 1464 144 140 Hathway IP Over Cable Interne
2386 1294 617 930 AT&T Data Communications Serv
4755 1281 289 144 TATA Communications formerly

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

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

ASN No of nets Net Savings Description
4323 3783 3383 Time Warner Telecom
1785 1796 1662 PaeTec Communications, Inc.
4766 1831 1358 Korea Telecom (KIX)
8151 1576 1344 UniNet S.A. de C.V.
17488 1464 1324 Hathway IP Over Cable Interne
11492 1154 1140 Cable One
4755 1281 1137 TATA Communications formerly
22773 1124 1058 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1017 1009 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.78.60.0/22 6762 Telecom Italia international
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:65 /12:181
/13:382 /14:654 /15:1233 /16:10850 /17:5053 /18:8622
/19:17725 /20:21661 /21:21549 /22:27892 /23:28054 /24:160791
/25:915 /26:1147 /27:584 /28:221 /29:11 /30:8
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2723 4165 bellsouth.net, inc.
4323 2369 3783 Time Warner Telecom
4766 1476 1831 Korea Telecom (KIX)
1785 1263 1796 PaeTec Communications, Inc.
17488 1230 1464 Hathway IP Over Cable Interne
11492 1074 1154 Cable One
18566 1040 1059 Covad Communications
7018 960 1589 AT&T WorldNet Services
8452 913 1017 TEDATA
18101 913 1033 Reliance Infocom Ltd Internet

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

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

2:1 4:13 8:242 12:2007 13:9 15:22
16:3 17:8 20:38 24:1301 32:49 38:635
40:99 41:1881 44:3 46:1 47:29 52:6
55:2 56:2 57:23 58:640 59:596 60:446
61:968 62:956 63:2005 64:3774 65:2358 66:4100
67:1841 68:1047 69:2832 70:688 71:231 72:1878
73:3 74:2075 75:225 76:359 77:871 78:604
79:406 80:961 81:803 82:469 83:440 84:521
85:1015 86:376 87:692 88:433 89:1561 90:65
91:2674 92:434 93:1151 94:1293 95:799 96:194
97:290 98:488 99:23 109:206 110:263 111:413
112:168 113:216 114:304 115:404 116:1126 117:596
118:380 119:812 120:141 121:684 122:1385 123:830
124:1029 125:1305 128:198 129:203 130:134 131:461
132:84 133:16 134:193 135:41 136:228 137:175
138:236 139:81 140:462 141:121 142:377 143:349
144:393 145:51 146:390 147:175 148:565 149:196
150:151 151:172 152:225 153:162 154:2 155:270
156:178 157:329 158:98 159:355 160:304 161:175
162:271 163:189 164:309 165:472 166:493 167:387
168:758 169:158 170:568 171:42 172:1 173:425
174:519 175:20 180:273 183:200 184:3 186:258
187:211 188:1138 189:615 190:3423 192:5722 193:4390
194:3352 195:2786 196:1192 198:3550 199:3390 200:5256
201:1450 202:8076 203:8300 204:3981 205:2167 206:2401
207:3042 208:3924 209:3394 210:2518 211:1170 212:1657
213:1650 214:248 215:58 216:4425 217:1390 218:481
219:416 220:1137 221:461 222:303

End of report

cscora at apnic

Jan 15, 2010, 10:41 AM

Post #145 of 149 (1735 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 16 Jan, 2010

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

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

BGP routing table entries examined: 309127
Prefixes after maximum aggregation: 143543
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 151934
Total ASes present in the Internet Routing Table: 33091
Prefixes per ASN: 9.34
Origin-only ASes present in the Internet Routing Table: 28731
Origin ASes announcing only one prefix: 14027
Transit ASes present in the Internet Routing Table: 4360
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 9503) 21
Prefixes from unregistered ASNs in the Routing Table: 765
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 393
Prefixes from 32-bit ASNs in the Routing Table: 345
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 185
Number of addresses announced to Internet: 2176160448
Equivalent to 129 /8s, 181 /16s and 146 /24s
Percentage of available address space announced: 58.7
Percentage of allocated address space announced: 66.5
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.8
Total number of prefixes smaller than registry allocations: 149064

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

Prefixes being announced by APNIC Region ASes: 74756
Total APNIC prefixes after maximum aggregation: 25793
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71440
Unique aggregates announced from the APNIC address blocks: 31551
APNIC Region origin ASes present in the Internet Routing Table: 3907
APNIC Prefixes per ASN: 18.29
APNIC Region origin ASes announcing only one prefix: 1065
APNIC Region transit ASes present in the Internet Routing Table: 614
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 488804384
Equivalent to 29 /8s, 34 /16s and 144 /24s
Percentage of available APNIC address space announced: 80.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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,

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

Prefixes being announced by ARIN Region ASes: 129389
Total ARIN prefixes after maximum aggregation: 67564
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103522
Unique aggregates announced from the ARIN address blocks: 39181
ARIN Region origin ASes present in the Internet Routing Table: 13450
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 5209
ARIN Region transit ASes present in the Internet Routing Table: 1334
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 735534112
Equivalent to 43 /8s, 215 /16s and 92 /24s
Percentage of available ARIN address space announced: 64.5

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 71034
Total RIPE prefixes after maximum aggregation: 41545
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64168
Unique aggregates announced from the RIPE address blocks: 42760
RIPE Region origin ASes present in the Internet Routing Table: 13981
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 7265
RIPE Region transit ASes present in the Internet Routing Table: 2100
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 413123840
Equivalent to 24 /8s, 159 /16s and 197 /24s
Percentage of available RIPE address space announced: 77.0

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 27130
Total LACNIC prefixes after maximum aggregation: 6521
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 25496
Unique aggregates announced from the LACNIC address blocks: 13826
LACNIC Region origin ASes present in the Internet Routing Table: 1230
LACNIC Prefixes per ASN: 20.73
LACNIC Region origin ASes announcing only one prefix: 393
LACNIC Region transit ASes present in the Internet Routing Table: 203
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69936128
Equivalent to 4 /8s, 43 /16s and 36 /24s
Percentage of available LACNIC address space announced: 69.5

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

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

Prefixes being announced by AfriNIC Region ASes: 6243
Total AfriNIC prefixes after maximum aggregation: 1767
AfriNIC Deaggregation factor: 3.53
Prefixes being announced from the AfriNIC address blocks: 4645
Unique aggregates announced from the AfriNIC address blocks: 1589
AfriNIC Region origin ASes present in the Internet Routing Table: 338
AfriNIC Prefixes per ASN: 13.74
AfriNIC Region origin ASes announcing only one prefix: 95
AfriNIC Region transit ASes present in the Internet Routing Table: 69
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14818048
Equivalent to 0 /8s, 226 /16s and 27 /24s
Percentage of available AfriNIC address space announced: 44.2

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1857 7511 473 Korea Telecom (KIX)
17488 1464 144 140 Hathway IP Over Cable Interne
4755 1310 303 136 TATA Communications formerly
18101 1036 220 38 Reliance Infocom Ltd Internet
4134 1019 19477 400 CHINANET-BACKBONE
9583 999 75 504 Sify Limited
7545 926 198 100 TPG Internet Pty Ltd
17974 853 272 54 PT TELEKOMUNIKASI INDONESIA
9829 839 683 24 BSNL National Internet Backbo
4808 837 1583 213 CNCGROUP IP network: China169

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4165 3891 302 bellsouth.net, inc.
4323 3785 1088 397 Time Warner Telecom
1785 1794 699 133 PaeTec Communications, Inc.
7018 1593 5791 1031 AT&T WorldNet Services
20115 1544 1490 671 Charter Communications
2386 1282 615 921 AT&T Data Communications Serv
3356 1200 10929 423 Level 3 Communications, LLC
11492 1128 222 14 Cable One
22773 1124 2600 66 Cox Communications, Inc.
6478 1103 241 273 AT&T Worldnet Services

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

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

ASN No of nets /20 equiv MaxAgg Description
35805 470 40 5 United Telecom of Georgia
3292 450 1903 394 TDC Tele Danmark
30890 436 98 205 Evolva Telecom
702 421 1821 335 UUNET - Commercial IP service
8551 397 353 37 Bezeq International
8866 376 110 24 Bulgarian Telecommunication C
3320 363 7068 308 Deutsche Telekom AG
3301 355 1412 308 TeliaNet Sweden
3215 351 3176 108 France Telecom Transpac
12479 318 578 6 Uni2 Autonomous System

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1582 2899 233 UniNet S.A. de C.V.
10620 1003 224 131 TVCABLE BOGOTA
28573 840 674 85 NET Servicos de Comunicao S.A
7303 670 355 100 Telecom Argentina Stet-France
22047 547 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
6503 445 163 184 AVANTEL, S.A.
11172 444 99 69 Servicios Alestra S.A de C.V
14117 437 29 12 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia S.A

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1018 444 8 TEDATA
24863 722 143 53 LINKdotNET AS number
36992 317 81 161 Etisalat MISR
3741 273 857 233 The Internet Solution
2018 190 197 111 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 161 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 122 7 11 Starcomms Nigeria Limited
5536 117 7 17 Internet Egypt Network

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4165 3891 302 bellsouth.net, inc.
4323 3785 1088 397 Time Warner Telecom
4766 1857 7511 473 Korea Telecom (KIX)
1785 1794 699 133 PaeTec Communications, Inc.
7018 1593 5791 1031 AT&T WorldNet Services
8151 1582 2899 233 UniNet S.A. de C.V.
20115 1544 1490 671 Charter Communications
17488 1464 144 140 Hathway IP Over Cable Interne
4755 1310 303 136 TATA Communications formerly
2386 1282 615 921 AT&T Data Communications Serv

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

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

ASN No of nets Net Savings Description
4323 3785 3388 Time Warner Telecom
1785 1794 1661 PaeTec Communications, Inc.
4766 1857 1384 Korea Telecom (KIX)
8151 1582 1349 UniNet S.A. de C.V.
17488 1464 1324 Hathway IP Over Cable Interne
4755 1310 1174 TATA Communications formerly
11492 1128 1114 Cable One
22773 1124 1058 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1018 1010 TEDATA

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:66 /12:183
/13:383 /14:656 /15:1242 /16:10877 /17:5080 /18:8662
/19:17764 /20:21725 /21:21659 /22:27993 /23:28180 /24:161693
/25:923 /26:1154 /27:588 /28:219 /29:9 /30:7
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2723 4165 bellsouth.net, inc.
4323 2363 3785 Time Warner Telecom
4766 1474 1857 Korea Telecom (KIX)
1785 1263 1794 PaeTec Communications, Inc.
17488 1230 1464 Hathway IP Over Cable Interne
11492 1048 1128 Cable One
18566 1040 1059 Covad Communications
7018 960 1593 AT&T WorldNet Services
18101 916 1036 Reliance Infocom Ltd Internet
8452 914 1018 TEDATA

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

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

2:1 4:13 8:232 12:2016 13:10 15:22
16:3 17:8 20:39 24:1298 32:49 38:640
40:99 41:1910 44:3 46:1 47:30 52:6
55:2 56:2 57:23 58:631 59:644 60:445
61:1096 62:977 63:2004 64:3790 65:2355 66:4098
67:1829 68:1048 69:2839 70:689 71:228 72:1859
73:3 74:2079 75:220 76:354 77:870 78:574
79:409 80:963 81:784 82:471 83:438 84:555
85:1020 86:381 87:699 88:416 89:1547 90:65
91:2684 92:409 93:1162 94:1286 95:789 96:193
97:290 98:490 99:23 100:1 109:220 110:263
111:411 112:168 113:221 114:308 115:498 116:1125
117:600 118:382 119:809 120:141 121:835 122:1389
123:830 124:1038 125:1314 128:198 129:202 130:137
131:458 132:84 133:16 134:193 135:41 136:220
137:173 138:234 139:80 140:464 141:122 142:376
143:345 144:387 145:51 146:404 147:178 148:564
149:193 150:151 151:171 152:244 153:165 154:2
155:271 156:177 157:331 158:98 159:355 160:304
161:175 162:271 163:190 164:309 165:473 166:491
167:388 168:759 169:157 170:567 171:46 172:2
173:436 174:532 175:23 180:278 183:212 184:3
186:267 187:222 188:1259 189:601 190:3469 192:5725
193:4402 194:3350 195:2760 196:1169 198:3552 199:3395
200:5282 201:1468 202:8069 203:8312 204:3996 205:2173
206:2426 207:3051 208:3916 209:3397 210:2538 211:1178
212:1661 213:1649 214:253 215:60 216:4418 217:1477
218:481 219:443 220:1145 221:463 222:299

End of report

cscora at apnic

Jan 22, 2010, 10:50 AM

Post #146 of 149 (1639 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 23 Jan, 2010

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

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

BGP routing table entries examined: 309323
Prefixes after maximum aggregation: 143748
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 152029
Total ASes present in the Internet Routing Table: 33159
Prefixes per ASN: 9.33
Origin-only ASes present in the Internet Routing Table: 28791
Origin ASes announcing only one prefix: 14048
Transit ASes present in the Internet Routing Table: 4368
Transit-only ASes present in the Internet Routing Table: 106
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 9503) 21
Prefixes from unregistered ASNs in the Routing Table: 764
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 406
Prefixes from 32-bit ASNs in the Routing Table: 351
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 186
Number of addresses announced to Internet: 2178191808
Equivalent to 129 /8s, 212 /16s and 145 /24s
Percentage of available address space announced: 58.8
Percentage of allocated address space announced: 65.9
Percentage of available address space allocated: 89.1
Percentage of address space in use by end-sites: 80.8
Total number of prefixes smaller than registry allocations: 149077

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

Prefixes being announced by APNIC Region ASes: 74725
Total APNIC prefixes after maximum aggregation: 25834
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 71407
Unique aggregates announced from the APNIC address blocks: 31479
APNIC Region origin ASes present in the Internet Routing Table: 3922
APNIC Prefixes per ASN: 18.21
APNIC Region origin ASes announcing only one prefix: 1070
APNIC Region transit ASes present in the Internet Routing Table: 619
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 489484832
Equivalent to 29 /8s, 44 /16s and 242 /24s
Percentage of available APNIC address space announced: 76.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 27/8, 43/8, 58/8, 59/8, 60/8, 61/8,
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,

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

Prefixes being announced by ARIN Region ASes: 129460
Total ARIN prefixes after maximum aggregation: 67652
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103566
Unique aggregates announced from the ARIN address blocks: 39277
ARIN Region origin ASes present in the Internet Routing Table: 13475
ARIN Prefixes per ASN: 7.69
ARIN Region origin ASes announcing only one prefix: 5213
ARIN Region transit ASes present in the Internet Routing Table: 1336
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 735487520
Equivalent to 43 /8s, 214 /16s and 166 /24s
Percentage of available ARIN address space announced: 64.5

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 71135
Total RIPE prefixes after maximum aggregation: 41584
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64228
Unique aggregates announced from the RIPE address blocks: 42817
RIPE Region origin ASes present in the Internet Routing Table: 14007
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 7277
RIPE Region transit ASes present in the Internet Routing Table: 2094
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 414369024
Equivalent to 24 /8s, 178 /16s and 197 /24s
Percentage of available RIPE address space announced: 77.2

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 27183
Total LACNIC prefixes after maximum aggregation: 6541
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 25544
Unique aggregates announced from the LACNIC address blocks: 13806
LACNIC Region origin ASes present in the Internet Routing Table: 1232
LACNIC Prefixes per ASN: 20.73
LACNIC Region origin ASes announcing only one prefix: 396
LACNIC Region transit ASes present in the Internet Routing Table: 202
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 70307584
Equivalent to 4 /8s, 48 /16s and 207 /24s
Percentage of available LACNIC address space announced: 69.8

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

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

Prefixes being announced by AfriNIC Region ASes: 6246
Total AfriNIC prefixes after maximum aggregation: 1788
AfriNIC Deaggregation factor: 3.49
Prefixes being announced from the AfriNIC address blocks: 4629
Unique aggregates announced from the AfriNIC address blocks: 1565
AfriNIC Region origin ASes present in the Internet Routing Table: 337
AfriNIC Prefixes per ASN: 13.74
AfriNIC Region origin ASes announcing only one prefix: 92
AfriNIC Region transit ASes present in the Internet Routing Table: 75
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 14803712
Equivalent to 0 /8s, 225 /16s and 227 /24s
Percentage of available AfriNIC address space announced: 44.1

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1857 7510 470 Korea Telecom (KIX)
4755 1310 303 137 TATA Communications formerly
17488 1273 131 140 Hathway IP Over Cable Interne
18101 1079 220 37 Reliance Infocom Ltd Internet
4134 1020 19605 398 CHINANET-BACKBONE
9583 986 72 491 Sify Limited
7545 931 198 98 TPG Internet Pty Ltd
17974 880 272 54 PT TELEKOMUNIKASI INDONESIA
9829 839 683 24 BSNL National Internet Backbo
24560 837 299 172 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4149 3875 316 bellsouth.net, inc.
4323 3783 1088 395 Time Warner Telecom
1785 1817 699 132 PaeTec Communications, Inc.
7018 1593 5778 1029 AT&T WorldNet Services
20115 1542 1490 671 Charter Communications
2386 1292 616 917 AT&T Data Communications Serv
3356 1203 10929 425 Level 3 Communications, LLC
11492 1128 222 14 Cable One
22773 1125 2600 66 Cox Communications, Inc.
6478 1103 241 262 AT&T Worldnet Services

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

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

ASN No of nets /20 equiv MaxAgg Description
35805 475 40 5 United Telecom of Georgia
3292 451 1904 395 TDC Tele Danmark
30890 439 99 205 Evolva Telecom
702 422 1821 336 UUNET - Commercial IP service
8551 397 353 37 Bezeq International
8866 374 110 24 Bulgarian Telecommunication C
3320 361 7068 308 Deutsche Telekom AG
3215 351 3176 108 France Telecom Transpac
3301 349 1412 310 TeliaNet Sweden
12479 320 576 5 Uni2 Autonomous System

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1573 2886 240 UniNet S.A. de C.V.
10620 1007 225 131 TVCABLE BOGOTA
28573 840 674 85 NET Servicos de Comunicao S.A
7303 671 356 100 Telecom Argentina Stet-France
22047 548 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
6503 446 163 185 AVANTEL, S.A.
11172 444 99 69 Servicios Alestra S.A de C.V
14117 438 29 12 Telefonica del Sur S.A.
3816 432 194 70 Empresa Nacional de Telecomun

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1017 445 9 TEDATA
24863 723 143 53 LINKdotNET AS number
36992 282 75 172 Etisalat MISR
3741 274 857 234 The Internet Solution
2018 190 197 111 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 167 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 117 7 17 Internet Egypt Network

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4149 3875 316 bellsouth.net, inc.
4323 3783 1088 395 Time Warner Telecom
4766 1857 7510 470 Korea Telecom (KIX)
1785 1817 699 132 PaeTec Communications, Inc.
7018 1593 5778 1029 AT&T WorldNet Services
8151 1573 2886 240 UniNet S.A. de C.V.
20115 1542 1490 671 Charter Communications
4755 1310 303 137 TATA Communications formerly
2386 1292 616 917 AT&T Data Communications Serv
17488 1273 131 140 Hathway IP Over Cable Interne

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

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

ASN No of nets Net Savings Description
4323 3783 3388 Time Warner Telecom
1785 1817 1685 PaeTec Communications, Inc.
4766 1857 1387 Korea Telecom (KIX)
8151 1573 1333 UniNet S.A. de C.V.
4755 1310 1173 TATA Communications formerly
17488 1273 1133 Hathway IP Over Cable Interne
11492 1128 1114 Cable One
22773 1125 1059 Cox Communications, Inc.
18566 1059 1049 Covad Communications
18101 1079 1042 Reliance Infocom Ltd Internet

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:66 /12:183
/13:385 /14:660 /15:1243 /16:10875 /17:5102 /18:8646
/19:17799 /20:21717 /21:21723 /22:28019 /23:28196 /24:161741
/25:928 /26:1160 /27:585 /28:215 /29:9 /30:7
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2707 4149 bellsouth.net, inc.
4323 2359 3783 Time Warner Telecom
4766 1475 1857 Korea Telecom (KIX)
1785 1285 1817 PaeTec Communications, Inc.
17488 1049 1273 Hathway IP Over Cable Interne
11492 1048 1128 Cable One
18566 1040 1059 Covad Communications
7018 960 1593 AT&T WorldNet Services
18101 958 1079 Reliance Infocom Ltd Internet
8452 913 1017 TEDATA

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

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

2:1 4:13 8:234 12:2012 13:10 15:22
16:3 17:8 20:37 24:1301 32:49 38:642
40:99 41:1910 44:3 46:1 47:26 52:6
55:2 56:2 57:23 58:632 59:637 60:390
61:1100 62:977 63:2027 64:3796 65:2360 66:4102
67:1813 68:1052 69:2842 70:690 71:227 72:1874
73:2 74:2073 75:232 76:354 77:827 78:580
79:408 80:968 81:787 82:450 83:438 84:561
85:1003 86:383 87:706 88:418 89:1537 90:67
91:2686 92:413 93:1153 94:1287 95:794 96:208
97:294 98:493 99:23 100:1 109:235 110:265
111:418 112:184 113:225 114:309 115:513 116:1042
117:609 118:373 119:809 120:142 121:839 122:1376
123:834 124:1076 125:1298 128:198 129:203 130:138
131:461 132:82 133:16 134:195 135:41 136:222
137:172 138:235 139:80 140:464 141:123 142:375
143:348 144:391 145:51 146:417 147:179 148:566
149:195 150:146 151:171 152:248 153:165 154:2
155:271 156:178 157:330 158:97 159:355 160:304
161:176 162:272 163:187 164:311 165:470 166:493
167:388 168:759 169:157 170:568 171:48 172:2
173:444 174:530 175:26 180:284 183:212 184:3
186:261 187:211 188:1263 189:613 190:3444 192:5727
193:4410 194:3354 195:2778 196:1187 198:3559 199:3385
200:5295 201:1467 202:8087 203:8315 204:3996 205:2167
206:2420 207:3062 208:3898 209:3407 210:2531 211:1177
212:1648 213:1643 214:256 215:61 216:4441 217:1471
218:495 219:444 220:1129 221:465 222:309

End of report

cscora at apnic

Jan 29, 2010, 10:45 AM

Post #147 of 149 (1546 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 30 Jan, 2010

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

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

BGP routing table entries examined: 310401
Prefixes after maximum aggregation: 143857
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 152150
Total ASes present in the Internet Routing Table: 33195
Prefixes per ASN: 9.35
Origin-only ASes present in the Internet Routing Table: 28813
Origin ASes announcing only one prefix: 14071
Transit ASes present in the Internet Routing Table: 4382
Transit-only ASes present in the Internet Routing Table: 110
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 9503) 21
Prefixes from unregistered ASNs in the Routing Table: 803
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 409
Prefixes from 32-bit ASNs in the Routing Table: 367
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 208
Number of addresses announced to Internet: 2182859712
Equivalent to 130 /8s, 27 /16s and 203 /24s
Percentage of available address space announced: 58.9
Percentage of allocated address space announced: 66.1
Percentage of available address space allocated: 89.1
Percentage of address space in use by end-sites: 81.0
Total number of prefixes smaller than registry allocations: 149507

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

Prefixes being announced by APNIC Region ASes: 74994
Total APNIC prefixes after maximum aggregation: 25835
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71687
Unique aggregates announced from the APNIC address blocks: 31510
APNIC Region origin ASes present in the Internet Routing Table: 3940
APNIC Prefixes per ASN: 18.19
APNIC Region origin ASes announcing only one prefix: 1084
APNIC Region transit ASes present in the Internet Routing Table: 623
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 490424864
Equivalent to 29 /8s, 59 /16s and 74 /24s
Percentage of available APNIC address space announced: 76.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 27/8, 43/8, 58/8, 59/8, 60/8, 61/8,
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,

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

Prefixes being announced by ARIN Region ASes: 129648
Total ARIN prefixes after maximum aggregation: 67654
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103715
Unique aggregates announced from the ARIN address blocks: 39327
ARIN Region origin ASes present in the Internet Routing Table: 13468
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 5204
ARIN Region transit ASes present in the Internet Routing Table: 1331
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 738182688
Equivalent to 43 /8s, 255 /16s and 198 /24s
Percentage of available ARIN address space announced: 64.7

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 71527
Total RIPE prefixes after maximum aggregation: 41622
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 64555
Unique aggregates announced from the RIPE address blocks: 42965
RIPE Region origin ASes present in the Internet Routing Table: 14024
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7284
RIPE Region transit ASes present in the Internet Routing Table: 2103
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 415078528
Equivalent to 24 /8s, 189 /16s and 152 /24s
Percentage of available RIPE address space announced: 77.3

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 27325
Total LACNIC prefixes after maximum aggregation: 6555
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 25709
Unique aggregates announced from the LACNIC address blocks: 13809
LACNIC Region origin ASes present in the Internet Routing Table: 1235
LACNIC Prefixes per ASN: 20.82
LACNIC Region origin ASes announcing only one prefix: 404
LACNIC Region transit ASes present in the Internet Routing Table: 206
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 70292480
Equivalent to 4 /8s, 48 /16s and 148 /24s
Percentage of available LACNIC address space announced: 69.8

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

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

Prefixes being announced by AfriNIC Region ASes: 6318
Total AfriNIC prefixes after maximum aggregation: 1829
AfriNIC Deaggregation factor: 3.45
Prefixes being announced from the AfriNIC address blocks: 4703
Unique aggregates announced from the AfriNIC address blocks: 1396
AfriNIC Region origin ASes present in the Internet Routing Table: 338
AfriNIC Prefixes per ASN: 13.91
AfriNIC Region origin ASes announcing only one prefix: 95
AfriNIC Region transit ASes present in the Internet Routing Table: 75
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 14851840
Equivalent to 0 /8s, 226 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 44.3

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1859 7511 472 Korea Telecom (KIX)
4755 1314 305 136 TATA Communications formerly
17488 1273 131 138 Hathway IP Over Cable Interne
18101 1043 220 37 Reliance Infocom Ltd Internet
4134 1018 19609 399 CHINANET-BACKBONE
9583 983 71 489 Sify Limited
7545 924 198 98 TPG Internet Pty Ltd
17974 886 277 43 PT TELEKOMUNIKASI INDONESIA
24560 840 299 173 Bharti Airtel Ltd., Telemedia
4808 835 1583 212 CNCGROUP IP network: China169

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4135 3875 317 bellsouth.net, inc.
4323 3794 1088 395 Time Warner Telecom
1785 1851 699 132 PaeTec Communications, Inc.
7018 1584 5777 1026 AT&T WorldNet Services
20115 1542 1490 671 Charter Communications
2386 1294 616 916 AT&T Data Communications Serv
3356 1211 10931 423 Level 3 Communications, LLC
11492 1141 222 14 Cable One
22773 1125 2600 66 Cox Communications, Inc.
6478 1106 240 254 AT&T Worldnet Services

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

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

ASN No of nets /20 equiv MaxAgg Description
35805 562 40 5 United Telecom of Georgia
3292 454 1904 396 TDC Tele Danmark
30890 447 100 207 Evolva Telecom
702 422 1821 336 UUNET - Commercial IP service
8551 397 353 37 Bezeq International
8866 376 110 24 Bulgarian Telecommunication C
3320 360 7069 309 Deutsche Telekom AG
3301 350 1412 311 TeliaNet Sweden
3215 345 3174 102 France Telecom Transpac
12479 321 576 5 Uni2 Autonomous System

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1565 2885 236 UniNet S.A. de C.V.
10620 1010 226 133 TVCABLE BOGOTA
28573 849 677 100 NET Servicos de Comunicao S.A
7303 672 356 99 Telecom Argentina Stet-France
22047 565 310 15 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
6503 446 163 185 AVANTEL, S.A.
11172 444 99 69 Servicios Alestra S.A de C.V
14117 439 29 12 Telefonica del Sur S.A.
3816 432 194 70 Empresa Nacional de Telecomun

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 963 445 9 TEDATA
24863 719 144 39 LINKdotNET AS number
36992 475 87 245 Etisalat MISR
3741 274 857 234 The Internet Solution
2018 190 197 109 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 167 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 117 8 3 Internet Egypt Network

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4135 3875 317 bellsouth.net, inc.
4323 3794 1088 395 Time Warner Telecom
4766 1859 7511 472 Korea Telecom (KIX)
1785 1851 699 132 PaeTec Communications, Inc.
7018 1584 5777 1026 AT&T WorldNet Services
8151 1565 2885 236 UniNet S.A. de C.V.
20115 1542 1490 671 Charter Communications
4755 1314 305 136 TATA Communications formerly
2386 1294 616 916 AT&T Data Communications Serv
17488 1273 131 138 Hathway IP Over Cable Interne

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

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

ASN No of nets Net Savings Description
4323 3794 3399 Time Warner Telecom
1785 1851 1719 PaeTec Communications, Inc.
4766 1859 1387 Korea Telecom (KIX)
8151 1565 1329 UniNet S.A. de C.V.
4755 1314 1178 TATA Communications formerly
17488 1273 1135 Hathway IP Over Cable Interne
11492 1141 1127 Cable One
22773 1125 1059 Cox Communications, Inc.
18566 1059 1049 Covad Communications
18101 1043 1006 Reliance Infocom Ltd Internet

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:66 /12:185
/13:385 /14:659 /15:1246 /16:10883 /17:5108 /18:8696
/19:17880 /20:21774 /21:21830 /22:28190 /23:28191 /24:162323
/25:935 /26:1169 /27:586 /28:215 /29:9 /30:7
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2693 4135 bellsouth.net, inc.
4323 2362 3794 Time Warner Telecom
4766 1477 1859 Korea Telecom (KIX)
1785 1316 1851 PaeTec Communications, Inc.
11492 1061 1141 Cable One
17488 1052 1273 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
7018 953 1584 AT&T WorldNet Services
18101 922 1043 Reliance Infocom Ltd Internet
10620 915 1010 TVCABLE BOGOTA

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

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

1:2 2:1 4:13 8:234 12:2002 13:10
15:22 16:3 17:8 20:39 24:1302 27:1
32:49 38:646 40:99 41:1865 44:3 46:1
47:26 52:6 55:2 56:2 57:23 58:640
59:639 60:389 61:1099 62:1010 63:2034 64:3789
65:2364 66:4096 67:1800 68:1035 69:2841 70:689
71:236 72:1879 73:2 74:2086 75:242 76:351
77:823 78:577 79:411 80:958 81:782 82:457
83:439 84:636 85:1004 86:381 87:695 88:418
89:1537 90:65 91:2701 92:420 93:1172 94:1376
95:796 96:208 97:296 98:534 99:23 100:1
109:266 110:285 111:423 112:219 113:221 114:348
115:514 116:1036 117:609 118:372 119:805 120:144
121:828 122:1380 123:833 124:1075 125:1284 128:197
129:203 130:138 131:477 132:82 133:16 134:195
135:41 136:224 137:172 138:237 139:90 140:460
141:132 142:377 143:339 144:389 145:51 146:406
147:183 148:563 149:196 150:146 151:171 152:248
153:165 154:2 155:269 156:179 157:331 158:97
159:354 160:305 161:176 162:274 163:187 164:305
165:454 166:502 167:389 168:759 169:157 170:571
171:48 172:2 173:455 174:525 175:31 178:2
180:298 183:215 184:3 186:269 187:231 188:1288
189:634 190:3497 192:5720 193:4440 194:3346 195:2787
196:1170 198:3558 199:3396 200:5306 201:1466 202:8094
203:8324 204:4003 205:2178 206:2416 207:3043 208:3924
209:3421 210:2536 211:1170 212:1658 213:1640 214:253
215:62 216:4438 217:1498 218:483 219:448 220:1129
221:469 222:308

End of report

cscora at apnic

Feb 5, 2010, 10:44 AM

Post #148 of 149 (1482 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 06 Feb, 2010

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

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

BGP routing table entries examined: 311094
Prefixes after maximum aggregation: 143960
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 152571
Total ASes present in the Internet Routing Table: 33246
Prefixes per ASN: 9.36
Origin-only ASes present in the Internet Routing Table: 28867
Origin ASes announcing only one prefix: 14076
Transit ASes present in the Internet Routing Table: 4379
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 9503) 21
Prefixes from unregistered ASNs in the Routing Table: 819
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 425
Prefixes from 32-bit ASNs in the Routing Table: 380
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 243
Number of addresses announced to Internet: 2182589120
Equivalent to 130 /8s, 23 /16s and 170 /24s
Percentage of available address space announced: 58.9
Percentage of allocated address space announced: 66.1
Percentage of available address space allocated: 89.1
Percentage of address space in use by end-sites: 81.1
Total number of prefixes smaller than registry allocations: 149895

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

Prefixes being announced by APNIC Region ASes: 75113
Total APNIC prefixes after maximum aggregation: 25903
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71774
Unique aggregates announced from the APNIC address blocks: 31611
APNIC Region origin ASes present in the Internet Routing Table: 3946
APNIC Prefixes per ASN: 18.19
APNIC Region origin ASes announcing only one prefix: 1079
APNIC Region transit ASes present in the Internet Routing Table: 625
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 491247392
Equivalent to 29 /8s, 71 /16s and 215 /24s
Percentage of available APNIC address space announced: 77.1

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 27/8, 43/8, 58/8, 59/8, 60/8, 61/8,
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,

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

Prefixes being announced by ARIN Region ASes: 129717
Total ARIN prefixes after maximum aggregation: 67664
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103877
Unique aggregates announced from the ARIN address blocks: 39391
ARIN Region origin ASes present in the Internet Routing Table: 13492
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 5215
ARIN Region transit ASes present in the Internet Routing Table: 1331
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 738405152
Equivalent to 44 /8s, 3 /16s and 43 /24s
Percentage of available ARIN address space announced: 64.7

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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 71727
Total RIPE prefixes after maximum aggregation: 41721
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 64752
Unique aggregates announced from the RIPE address blocks: 43107
RIPE Region origin ASes present in the Internet Routing Table: 14046
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7283
RIPE Region transit ASes present in the Internet Routing Table: 2097
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 413672064
Equivalent to 24 /8s, 168 /16s and 34 /24s
Percentage of available RIPE address space announced: 77.1

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 27455
Total LACNIC prefixes after maximum aggregation: 6572
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 25808
Unique aggregates announced from the LACNIC address blocks: 13850
LACNIC Region origin ASes present in the Internet Routing Table: 1239
LACNIC Prefixes per ASN: 20.83
LACNIC Region origin ASes announcing only one prefix: 406
LACNIC Region transit ASes present in the Internet Routing Table: 208
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 70394624
Equivalent to 4 /8s, 50 /16s and 35 /24s
Percentage of available LACNIC address space announced: 69.9

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

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

Prefixes being announced by AfriNIC Region ASes: 6477
Total AfriNIC prefixes after maximum aggregation: 1734
AfriNIC Deaggregation factor: 3.74
Prefixes being announced from the AfriNIC address blocks: 4855
Unique aggregates announced from the AfriNIC address blocks: 1405
AfriNIC Region origin ASes present in the Internet Routing Table: 341
AfriNIC Prefixes per ASN: 14.24
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 73
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 14853376
Equivalent to 0 /8s, 226 /16s and 165 /24s
Percentage of available AfriNIC address space announced: 44.3

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1858 7511 472 Korea Telecom (KIX)
4755 1274 287 138 TATA Communications formerly
17488 1272 131 139 Hathway IP Over Cable Interne
18101 1091 221 40 Reliance Infocom Ltd Internet
4134 1018 19607 398 CHINANET-BACKBONE
9583 985 71 490 Sify Limited
7545 939 198 98 TPG Internet Pty Ltd
17974 887 277 43 PT TELEKOMUNIKASI INDONESIA
4808 851 1582 211 CNCGROUP IP network: China169
24560 843 299 170 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4132 3875 317 bellsouth.net, inc.
4323 3785 1088 395 Time Warner Telecom
1785 1859 699 131 PaeTec Communications, Inc.
7018 1584 5760 1021 AT&T WorldNet Services
20115 1538 1487 673 Charter Communications
2386 1298 616 919 AT&T Data Communications Serv
3356 1208 10931 421 Level 3 Communications, LLC
11492 1144 222 14 Cable One
22773 1128 2600 66 Cox Communications, Inc.
6478 1109 241 225 AT&T Worldnet Services

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

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

ASN No of nets /20 equiv MaxAgg Description
35805 568 40 5 United Telecom of Georgia
3292 455 1904 397 TDC Tele Danmark
30890 451 100 204 Evolva Telecom
702 423 1822 337 UUNET - Commercial IP service
8551 397 353 37 Bezeq International
8866 376 110 24 Bulgarian Telecommunication C
3320 360 7069 309 Deutsche Telekom AG
3301 351 1412 312 TeliaNet Sweden
3215 347 3206 103 France Telecom Transpac
12479 322 576 5 Uni2 Autonomous System

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1571 2886 240 UniNet S.A. de C.V.
10620 996 225 145 TVCABLE BOGOTA
28573 855 679 86 NET Servicos de Comunicao S.A
7303 676 357 99 Telecom Argentina Stet-France
22047 534 310 15 VTR PUNTO NET S.A.
6503 490 167 192 AVANTEL, S.A.
11830 473 308 59 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
14117 439 29 12 Telefonica del Sur S.A.
3816 432 194 70 Empresa Nacional de Telecomun

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1027 445 9 TEDATA
24863 722 144 40 LINKdotNET AS number
36992 541 119 139 Etisalat MISR
3741 273 854 233 The Internet Solution
2018 209 215 120 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 170 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 116 8 3 Internet Egypt Network

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4132 3875 317 bellsouth.net, inc.
4323 3785 1088 395 Time Warner Telecom
1785 1859 699 131 PaeTec Communications, Inc.
4766 1858 7511 472 Korea Telecom (KIX)
7018 1584 5760 1021 AT&T WorldNet Services
8151 1571 2886 240 UniNet S.A. de C.V.
20115 1538 1487 673 Charter Communications
2386 1298 616 919 AT&T Data Communications Serv
4755 1274 287 138 TATA Communications formerly
17488 1272 131 139 Hathway IP Over Cable Interne

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

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

ASN No of nets Net Savings Description
4323 3785 3390 Time Warner Telecom
1785 1859 1728 PaeTec Communications, Inc.
4766 1858 1386 Korea Telecom (KIX)
8151 1571 1331 UniNet S.A. de C.V.
4755 1274 1136 TATA Communications formerly
17488 1272 1133 Hathway IP Over Cable Interne
11492 1144 1130 Cable One
22773 1128 1062 Cox Communications, Inc.
18101 1091 1051 Reliance Infocom Ltd Internet
18566 1059 1049 Covad Communications

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.77.236.0/22 23456 32-bit ASN transition
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project

Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:65 /12:185
/13:384 /14:659 /15:1247 /16:10899 /17:5114 /18:8708
/19:17895 /20:21843 /21:21895 /22:28211 /23:28324 /24:162692
/25:935 /26:1163 /27:581 /28:214 /29:9 /30:7
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2690 4132 bellsouth.net, inc.
4323 2353 3785 Time Warner Telecom
4766 1476 1858 Korea Telecom (KIX)
1785 1321 1859 PaeTec Communications, Inc.
11492 1062 1144 Cable One
17488 1051 1272 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
18101 962 1091 Reliance Infocom Ltd Internet
7018 952 1584 AT&T WorldNet Services
8452 926 1027 TEDATA

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

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

2:1 4:12 8:234 12:1998 13:10 15:22
16:3 17:8 20:39 24:1316 27:1 32:48
38:646 40:99 41:1941 44:3 46:1 47:26
52:6 55:2 56:2 57:23 58:643 59:632
60:397 61:1098 62:1039 63:2014 64:3802 65:2364
66:4103 67:1802 68:1039 69:2831 70:689 71:235
72:1869 73:2 74:2107 75:238 76:338 77:824
78:579 79:402 80:977 81:775 82:453 83:438
84:630 85:1009 86:381 87:688 88:419 89:1540
90:64 91:2708 92:422 93:1183 94:1378 95:791
96:212 97:295 98:536 99:23 100:1 109:305
110:296 111:425 112:231 113:224 114:354 115:518
116:1031 117:618 118:377 119:809 120:144 121:825
122:1402 123:871 124:1077 125:1285 128:196 129:202
130:139 131:482 132:82 133:16 134:195 135:42
136:226 137:177 138:238 139:89 140:463 141:132
142:377 143:339 144:388 145:51 146:405 147:178
148:568 149:204 150:146 151:170 152:248 153:165
154:2 155:274 156:178 157:331 158:98 159:355
160:305 161:163 162:272 163:165 164:304 165:462
166:503 167:389 168:761 169:157 170:569 171:48
172:3 173:467 174:532 175:37 178:5 180:301
183:226 184:3 186:257 187:227 188:1293 189:661
190:3504 192:5728 193:4457 194:3345 195:2779 196:1176
198:3534 199:3392 200:5325 201:1473 202:8092 203:8313
204:4020 205:2197 206:2482 207:2994 208:3922 209:3428
210:2539 211:1186 212:1661 213:1659 214:250 215:61
216:4429 217:1508 218:484 219:442 220:1067 221:470
222:306

End of report

cscora at apnic

Feb 12, 2010, 10:50 AM

Post #149 of 149 (1401 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.
Daily listings are sent to bgp-stats [at] lists

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

If you have any comments please contact Philip Smith <pfs [at] cisco>.

Routing Table Report 04:00 +10GMT Sat 13 Feb, 2010

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

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

BGP routing table entries examined: 311463
Prefixes after maximum aggregation: 144143
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 152471
Total ASes present in the Internet Routing Table: 33274
Prefixes per ASN: 9.36
Origin-only ASes present in the Internet Routing Table: 28899
Origin ASes announcing only one prefix: 14066
Transit ASes present in the Internet Routing Table: 4375
Transit-only ASes present in the Internet Routing Table: 102
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 9503) 21
Prefixes from unregistered ASNs in the Routing Table: 848
Unregistered ASNs in the Routing Table: 138
Number of 32-bit ASNs allocated by the RIRs: 427
Prefixes from 32-bit ASNs in the Routing Table: 400
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 289
Number of addresses announced to Internet: 2184202944
Equivalent to 130 /8s, 48 /16s and 74 /24s
Percentage of available address space announced: 58.9
Percentage of allocated address space announced: 66.1
Percentage of available address space allocated: 89.1
Percentage of address space in use by end-sites: 81.1
Total number of prefixes smaller than registry allocations: 149910

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

Prefixes being announced by APNIC Region ASes: 75345
Total APNIC prefixes after maximum aggregation: 25911
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 72008
Unique aggregates announced from the APNIC address blocks: 31613
APNIC Region origin ASes present in the Internet Routing Table: 3950
APNIC Prefixes per ASN: 18.23
APNIC Region origin ASes announcing only one prefix: 1076
APNIC Region transit ASes present in the Internet Routing Table: 619
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 491620128
Equivalent to 29 /8s, 77 /16s and 135 /24s
Percentage of available APNIC address space announced: 77.1

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 27/8, 43/8, 58/8, 59/8, 60/8, 61/8,
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,

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

Prefixes being announced by ARIN Region ASes: 129695
Total ARIN prefixes after maximum aggregation: 67717
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103832
Unique aggregates announced from the ARIN address blocks: 39504
ARIN Region origin ASes present in the Internet Routing Table: 13492
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 5209
ARIN Region transit ASes present in the Internet Routing Table: 1324
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 738753312
Equivalent to 44 /8s, 8 /16s and 123 /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, 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, 52/8, 54/8, 55/8,
56/8, 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, 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: 71765
Total RIPE prefixes after maximum aggregation: 41740
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 64782
Unique aggregates announced from the RIPE address blocks: 42816
RIPE Region origin ASes present in the Internet Routing Table: 14066
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7278
RIPE Region transit ASes present in the Internet Routing Table: 2109
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 414454912
Equivalent to 24 /8s, 180 /16s and 20 /24s
Percentage of available RIPE address space announced: 77.2

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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 27496
Total LACNIC prefixes after maximum aggregation: 6585
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 25839
Unique aggregates announced from the LACNIC address blocks: 13895
LACNIC Region origin ASes present in the Internet Routing Table: 1242
LACNIC Prefixes per ASN: 20.80
LACNIC Region origin ASes announcing only one prefix: 407
LACNIC Region transit ASes present in the Internet Routing Table: 213
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 70495488
Equivalent to 4 /8s, 51 /16s and 173 /24s
Percentage of available LACNIC address space announced: 70.0

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

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

Prefixes being announced by AfriNIC Region ASes: 6541
Total AfriNIC prefixes after maximum aggregation: 1811
AfriNIC Deaggregation factor: 3.61
Prefixes being announced from the AfriNIC address blocks: 4832
Unique aggregates announced from the AfriNIC address blocks: 1377
AfriNIC Region origin ASes present in the Internet Routing Table: 343
AfriNIC Prefixes per ASN: 14.09
AfriNIC Region origin ASes announcing only one prefix: 96
AfriNIC Region transit ASes present in the Internet Routing Table: 72
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 14845952
Equivalent to 0 /8s, 226 /16s and 136 /24s
Percentage of available AfriNIC address space announced: 44.2

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1858 7510 471 Korea Telecom (KIX)
4755 1453 287 155 TATA Communications formerly
17488 1266 132 135 Hathway IP Over Cable Interne
18101 1088 221 39 Reliance Infocom Ltd Internet
4134 1019 19607 398 CHINANET-BACKBONE
9583 990 74 494 Sify Limited
7545 945 199 97 TPG Internet Pty Ltd
17974 914 278 45 PT TELEKOMUNIKASI INDONESIA
4808 850 1582 211 CNCGROUP IP network: China169
24560 845 300 166 Bharti Airtel Ltd., Telemedia

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4122 3875 316 bellsouth.net, inc.
4323 3791 1088 394 Time Warner Telecom
1785 1843 699 131 PaeTec Communications, Inc.
7018 1559 5758 1005 AT&T WorldNet Services
20115 1539 1488 670 Charter Communications
2386 1317 617 931 AT&T Data Communications Serv
3356 1204 10931 422 Level 3 Communications, LLC
11492 1133 222 14 Cable One
22773 1113 2600 66 Cox Communications, Inc.
6478 1104 240 244 AT&T Worldnet Services

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

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

ASN No of nets /20 equiv MaxAgg Description
35805 571 40 5 United Telecom of Georgia
3292 454 1904 396 TDC Tele Danmark
30890 453 101 205 Evolva Telecom
702 423 1869 335 UUNET - Commercial IP service
8551 397 353 37 Bezeq International
8866 378 110 24 Bulgarian Telecommunication C
3320 354 7068 309 Deutsche Telekom AG
3301 352 1413 313 TeliaNet Sweden
3215 347 3206 103 France Telecom Transpac
12479 323 576 5 Uni2 Autonomous System

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

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

ASN No of nets /20 equiv MaxAgg Description
8151 1591 2894 236 UniNet S.A. de C.V.
10620 988 223 147 TVCABLE BOGOTA
28573 868 688 85 NET Servicos de Comunicao S.A
7303 676 356 99 Telecom Argentina Stet-France
22047 528 310 15 VTR PUNTO NET S.A.
6503 491 167 191 AVANTEL, S.A.
11830 473 308 59 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
7738 439 858 29 Telecomunicacoes da Bahia S.A
3816 436 194 70 Empresa Nacional de Telecomun

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

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

ASN No of nets /20 equiv MaxAgg Description
8452 1004 445 9 TEDATA
24863 720 144 40 LINKdotNET AS number
36992 588 130 217 Etisalat MISR
3741 273 854 233 The Internet Solution
2018 209 215 120 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 168 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 124 7 11 Starcomms Nigeria Limited
24835 119 78 10 RAYA Telecom - Egypt

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

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

ASN No of nets /20 equiv MaxAgg Description
6389 4122 3875 316 bellsouth.net, inc.
4323 3791 1088 394 Time Warner Telecom
4766 1858 7510 471 Korea Telecom (KIX)
1785 1843 699 131 PaeTec Communications, Inc.
8151 1591 2894 236 UniNet S.A. de C.V.
7018 1559 5758 1005 AT&T WorldNet Services
20115 1539 1488 670 Charter Communications
4755 1453 287 155 TATA Communications formerly
2386 1317 617 931 AT&T Data Communications Serv
17488 1266 132 135 Hathway IP Over Cable Interne

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

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

ASN No of nets Net Savings Description
4323 3791 3397 Time Warner Telecom
1785 1843 1712 PaeTec Communications, Inc.
4766 1858 1387 Korea Telecom (KIX)
8151 1591 1355 UniNet S.A. de C.V.
4755 1453 1298 TATA Communications formerly
17488 1266 1131 Hathway IP Over Cable Interne
11492 1133 1119 Cable One
18101 1088 1049 Reliance Infocom Ltd Internet
18566 1059 1049 Covad Communications
22773 1113 1047 Cox Communications, Inc.

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

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

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.77.236.0/22 23456 32-bit ASN transition
41.190.64.0/22 28683 Office des Postes et telecomm
41.190.66.0/24 37039 Alink Telecom Benin
41.202.96.0/19 29571 Ci Telecom Autonomous system
41.202.160.0/19 33788 KANAR TELECOMMUNICATION ( KAN
41.205.0.0/19 16637 MTN Network Solutions
41.205.2.0/24 16637 MTN Network Solutions

Complete listing at http://thyme.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 /8:20 /9:10 /10:25 /11:65 /12:185
/13:385 /14:658 /15:1235 /16:10926 /17:5135 /18:8717
/19:17941 /20:21862 /21:21982 /22:28229 /23:28359 /24:162607
/25:974 /26:1220 /27:678 /28:226 /29:9 /30:7
/31:0 /32:8

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

ASN No of nets Total ann. Description
6389 2679 4122 bellsouth.net, inc.
4323 2355 3791 Time Warner Telecom
4766 1477 1858 Korea Telecom (KIX)
1785 1305 1843 PaeTec Communications, Inc.
11492 1049 1133 Cable One
17488 1044 1266 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
18101 961 1088 Reliance Infocom Ltd Internet
7018 935 1559 AT&T WorldNet Services
8452 903 1004 TEDATA

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

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

2:1 4:12 8:234 12:1994 13:10 15:22
16:3 17:8 20:39 24:1314 27:1 32:48
38:648 40:99 41:1928 44:3 46:1 47:26
52:6 55:2 56:2 57:23 58:640 59:633
60:399 61:1098 62:1044 63:2010 64:3797 65:2357
66:4114 67:1795 68:1040 69:2832 70:686 71:235
72:1865 73:2 74:2107 75:240 76:337 77:887
78:599 79:390 80:980 81:777 82:456 83:433
84:638 85:1008 86:384 87:689 88:417 89:1544
90:71 91:2724 92:423 93:1158 94:1382 95:555
96:217 97:295 98:494 99:23 100:1 109:333
110:294 111:443 112:234 113:223 114:370 115:531
116:1025 117:620 118:383 119:818 120:145 121:829
122:1410 123:874 124:1067 125:1286 128:196 129:203
130:140 131:486 132:88 133:16 134:194 135:42
136:220 137:175 138:238 139:91 140:466 141:132
142:377 143:347 144:395 145:51 146:410 147:192
148:571 149:203 150:146 151:169 152:250 153:166
154:2 155:275 156:179 157:332 158:99 159:355
160:305 161:177 162:268 163:166 164:310 165:462
166:502 167:388 168:760 169:157 170:570 171:48
172:3 173:483 174:537 175:52 180:315 183:225
184:5 186:303 187:206 188:1297 189:667 190:3515
192:5734 193:4441 194:3355 195:2782 196:1176 198:3537
199:3386 200:5296 201:1453 202:8042 203:8301 204:4029
205:2196 206:2497 207:2984 208:3917 209:3425 210:2540
211:1190 212:1670 213:1663 214:251 215:62 216:4471
217:1532 218:482 219:427 220:1071 221:379 222:306

End of report

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