Mailing List Archive: NANOG: users

Weekly Routing Table Report

1 2 3 4 5 6

View All

Index | Next | Previous | View Threaded

cscora at apnic

Apr 4, 2008, 11:07 AM

Post #51 of 149 (8337 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 Apr, 2008

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

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

BGP routing table entries examined: 251663
Prefixes after maximum aggregation: 126431
Deaggregation factor: 1.99
Unique aggregates announced to Internet: 122544
Total ASes present in the Internet Routing Table: 27824
Prefixes per ASN: 9.04
Origin-only ASes present in the Internet Routing Table: 24255
Origin ASes announcing only one prefix: 11268
Transit ASes present in the Internet Routing Table: 3569
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 24961
Unregistered ASNs in the Routing Table: 1890
Number of 32-bit ASNs allocated by the RIRs: 47
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 850
Number of addresses announced to Internet: 1856218272
Equivalent to 110 /8s, 163 /16s and 164 /24s
Percentage of available address space announced: 50.1
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.1
Total number of prefixes smaller than registry allocations: 120069

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

Prefixes being announced by APNIC Region ASes: 42554
Total APNIC prefixes after maximum aggregation: 13541
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 54788
Unique aggregates announced from the APNIC address blocks: 23781
APNIC Region origin ASes present in the Internet Routing Table: 1917
APNIC Prefixes per ASN: 28.58
APNIC Region origin ASes announcing only one prefix: 552
APNIC Region transit ASes present in the Internet Routing Table: 351
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 339369312
Equivalent to 20 /8s, 58 /16s and 93 /24s
Percentage of available APNIC address space announced: 77.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 107122
Total ARIN prefixes after maximum aggregation: 58976
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 85863
Unique aggregates announced from the ARIN address blocks: 34029
ARIN Region origin ASes present in the Internet Routing Table: 11687
ARIN Prefixes per ASN: 7.35
ARIN Region origin ASes announcing only one prefix: 4545
ARIN Region transit ASes present in the Internet Routing Table: 1038
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 361937024
Equivalent to 21 /8s, 146 /16s and 184 /24s
Percentage of available ARIN address space announced: 74.4

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 53958
Total RIPE prefixes after maximum aggregation: 33261
RIPE Deaggregation factor: 1.62
Prefixes being announced from the RIPE address blocks: 49136
Unique aggregates announced from the RIPE address blocks: 32912
RIPE Region origin ASes present in the Internet Routing Table: 11137
RIPE Prefixes per ASN: 4.41
RIPE Region origin ASes announcing only one prefix: 5813
RIPE Region transit ASes present in the Internet Routing Table: 1699
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 351438208
Equivalent to 20 /8s, 242 /16s and 133 /24s
Percentage of available RIPE address space announced: 80.6

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 19456
Total LACNIC prefixes after maximum aggregation: 4866
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 17825
Unique aggregates announced from the LACNIC address blocks: 9667
LACNIC Region origin ASes present in the Internet Routing Table: 885
LACNIC Prefixes per ASN: 20.14
LACNIC Region origin ASes announcing only one prefix: 279
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 50249728
Equivalent to 2 /8s, 254 /16s and 192 /24s
Percentage of available LACNIC address space announced: 49.9

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3611
Total AfriNIC prefixes after maximum aggregation: 1119
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4007
Unique aggregates announced from the AfriNIC address blocks: 1805
AfriNIC Region origin ASes present in the Internet Routing Table: 234
AfriNIC Prefixes per ASN: 17.12
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 45
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10136064
Equivalent to 0 /8s, 154 /16s and 170 /24s
Percentage of available AfriNIC address space announced: 30.2

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1624 387 88 Videsh Sanchar Nigam Ltd. Aut
9583 1157 129 191 Sify Limited
9498 1145 550 61 BHARTI BT INTERNET LTD.
17488 1010 68 84 Hathway IP Over Cable Interne
4134 858 12663 320 CHINANET-BACKBONE
4766 851 6005 341 Korea Telecom (KIX)
18101 674 126 53 Reliance Infocom Ltd Internet
9829 595 450 12 BSNL National Internet Backbo
4812 562 969 92 China Telecom (Shanghai)
1221 542 1950 418 Telstra Pty Ltd

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
7018 1438 5945 1020 AT&T WorldNet Services
4323 1405 1028 368 Time Warner Telecom
2386 1386 657 848 AT&T Data Communications Serv
11492 1211 145 48 Cable One
7011 1085 316 619 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1001 479 107 AppliedTheory Corporation
6197 991 730 478 BellSouth Network Solutions,
174 964 6834 807 Cogent Communications
20115 920 872 510 Charter Communications

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
3292 400 1787 364 TDC Tele Danmark
8452 359 188 7 TEDATA
3301 337 1443 306 TeliaNet Sweden
3320 326 7045 270 Deutsche Telekom AG
5462 292 666 26 Telewest Broadband
8866 292 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
3215 278 2671 91 France Telecom Transpac
6746 267 127 244 Dynamic Network Technologies,
680 259 2046 258 DFN-IP service G-WiN

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 1192 2449 221 UniNet S.A. de C.V.
11830 555 299 9 Instituto Costarricense de El
22047 553 270 14 VTR PUNTO NET S.A.
7303 453 220 61 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 409 117 70 Servicios Alestra S.A de C.V
6471 401 85 39 ENTEL CHILE S.A.
10620 399 104 51 TVCABLE BOGOTA
14117 350 23 16 Telefonica del Sur S.A.
10481 310 152 10 Prima 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
24863 458 61 27 LINKdotNET AS number
3741 287 853 223 The Internet Solution
20858 217 34 3 EgyNet
2018 200 272 110 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 131 9 16 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 89 48 7 RAYA Telecom - Egypt
2905 83 176 74 The Internetworking Company o

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 2050 3011 98 bellsouth.net, inc.
23577 1634 34 700 Korea Telecom (ATM-MPLS)
4755 1624 387 88 Videsh Sanchar Nigam Ltd. Aut
7018 1438 5945 1020 AT&T WorldNet Services
4323 1405 1028 368 Time Warner Telecom
2386 1386 657 848 AT&T Data Communications Serv
11492 1211 145 48 Cable One
8151 1192 2449 221 UniNet S.A. de C.V.
9583 1157 129 191 Sify Limited
9498 1145 550 61 BHARTI BT INTERNET LTD.

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

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

ASN No of nets Net Savings Description
4755 1624 1536 Videsh Sanchar Nigam Ltd. Aut
11492 1211 1163 Cable One
9498 1145 1084 BHARTI BT INTERNET LTD.
4323 1405 1037 Time Warner Telecom
18566 1044 1034 Covad Communications
8151 1192 971 UniNet S.A. de C.V.
9583 1157 966 Sify Limited
17676 1018 952 Softbank BB Corp.
23577 1634 934 Korea Telecom (ATM-MPLS)
17488 1010 926 Hathway IP Over Cable Interne

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

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

Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 1239 Sprint
26478 UNALLOCATED 8.7.228.0/24 6461 AboveNet Communicati
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
15132 UNALLOCATED 12.9.150.0/24 701 UUNET Technologies,
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

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 /9:9 /10:16 /11:41 /12:137
/13:279 /14:501 /15:1004 /16:9831 /17:4353 /18:7330
/19:15307 /20:17626 /21:16834 /22:21410 /23:22378 /24:132287
/25:792 /26:902 /27:481 /28:108 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1197 1211 Cable One
2386 1087 1386 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
9583 994 1157 Sify Limited
7011 967 1085 Citizens Utilities
4755 964 1624 Videsh Sanchar Nigam Ltd. Aut
6478 898 899 AT&T Worldnet Services
17488 823 1010 Hathway IP Over Cable Interne
9498 817 1145 BHARTI BT INTERNET LTD.
7018 811 1438 AT&T WorldNet Services

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

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

4:9 8:102 12:2000 13:1 15:20 16:3
17:6 18:13 20:35 24:1049 25:1 32:60
33:4 38:409 40:94 41:633 44:2 47:8
52:3 55:3 56:3 57:22 58:517 59:435
60:405 61:984 62:1088 63:1957 64:3391 65:2382
66:3606 67:1126 68:648 69:2128 70:535 71:127
72:1568 73:6 74:921 75:222 76:286 77:625
78:544 79:137 80:890 81:826 82:605 83:367
84:560 85:946 86:396 87:665 88:317 89:1228
90:11 91:1159 92:240 93:234 96:23 97:16
98:112 99:3 112:1 116:586 117:282 118:110
119:370 121:482 122:731 123:313 124:838 125:1109
128:317 129:201 130:125 131:404 132:69 133:9
134:188 135:32 136:221 137:119 138:149 139:65
140:484 141:110 142:380 143:276 144:344 145:50
146:338 147:134 148:499 149:180 150:128 151:172
152:142 153:127 154:11 155:267 156:207 157:261
158:169 159:223 160:244 161:110 162:209 163:195
164:574 165:433 166:298 167:315 168:607 169:131
170:426 171:28 172:3 189:169 190:1667 192:5774
193:4093 194:3256 195:2377 196:1035 198:3769 199:3236
200:5590 201:1383 202:7528 203:7830 204:4012 205:2094
206:2404 207:2722 208:3237 209:3483 210:2527 211:1034
212:1342 213:1660 214:455 215:48 216:4272 217:1233
218:359 219:404 220:1069 221:400 222:313

End of report

cscora at apnic

Apr 11, 2008, 11:07 AM

Post #52 of 149 (8326 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 Apr, 2008

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

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

BGP routing table entries examined: 252904
Prefixes after maximum aggregation: 126821
Deaggregation factor: 1.99
Unique aggregates announced to Internet: 121965
Total ASes present in the Internet Routing Table: 27875
Prefixes per ASN: 9.07
Origin-only ASes present in the Internet Routing Table: 24291
Origin ASes announcing only one prefix: 11291
Transit ASes present in the Internet Routing Table: 3584
Transit-only ASes present in the Internet Routing Table: 84
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 25207
Unregistered ASNs in the Routing Table: 1888
Number of 32-bit ASNs allocated by the RIRs: 45
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 836
Number of addresses announced to Internet: 1862827616
Equivalent to 111 /8s, 8 /16s and 126 /24s
Percentage of available address space announced: 50.3
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.2
Total number of prefixes smaller than registry allocations: 120992

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

Prefixes being announced by APNIC Region ASes: 42772
Total APNIC prefixes after maximum aggregation: 13613
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 55035
Unique aggregates announced from the APNIC address blocks: 23927
APNIC Region origin ASes present in the Internet Routing Table: 1919
APNIC Prefixes per ASN: 28.68
APNIC Region origin ASes announcing only one prefix: 555
APNIC Region transit ASes present in the Internet Routing Table: 349
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 342856544
Equivalent to 20 /8s, 111 /16s and 147 /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
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 107454
Total ARIN prefixes after maximum aggregation: 59183
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 86373
Unique aggregates announced from the ARIN address blocks: 34178
ARIN Region origin ASes present in the Internet Routing Table: 11700
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4553
ARIN Region transit ASes present in the Internet Routing Table: 1044
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 362456384
Equivalent to 21 /8s, 154 /16s and 165 /24s
Percentage of available ARIN address space announced: 74.5

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 54199
Total RIPE prefixes after maximum aggregation: 33333
RIPE Deaggregation factor: 1.63
Prefixes being announced from the RIPE address blocks: 49410
Unique aggregates announced from the RIPE address blocks: 32107
RIPE Region origin ASes present in the Internet Routing Table: 11166
RIPE Prefixes per ASN: 4.43
RIPE Region origin ASes announcing only one prefix: 5830
RIPE Region transit ASes present in the Internet Routing Table: 1707
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 354345856
Equivalent to 21 /8s, 30 /16s and 227 /24s
Percentage of available RIPE address space announced: 81.2

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

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

Prefixes being announced by LACNIC Region ASes: 19596
Total LACNIC prefixes after maximum aggregation: 4892
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 17971
Unique aggregates announced from the LACNIC address blocks: 9697
LACNIC Region origin ASes present in the Internet Routing Table: 889
LACNIC Prefixes per ASN: 20.21
LACNIC Region origin ASes announcing only one prefix: 276
LACNIC Region transit ASes present in the Internet Routing Table: 154
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 50467072
Equivalent to 3 /8s, 2 /16s and 17 /24s
Percentage of available LACNIC address space announced: 50.1

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3675
Total AfriNIC prefixes after maximum aggregation: 1129
AfriNIC Deaggregation factor: 3.26
Prefixes being announced from the AfriNIC address blocks: 4027
Unique aggregates announced from the AfriNIC address blocks: 1683
AfriNIC Region origin ASes present in the Internet Routing Table: 234
AfriNIC Prefixes per ASN: 17.21
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 44
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10229760
Equivalent to 0 /8s, 156 /16s and 24 /24s
Percentage of available AfriNIC address space announced: 30.5

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1627 387 89 Videsh Sanchar Nigam Ltd. Aut
9498 1162 550 60 BHARTI BT INTERNET LTD.
9583 1157 99 211 Sify Limited
17488 1008 68 78 Hathway IP Over Cable Interne
4134 858 12659 319 CHINANET-BACKBONE
4766 853 6006 343 Korea Telecom (KIX)
18101 673 127 52 Reliance Infocom Ltd Internet
4812 613 962 92 China Telecom (Shanghai)
9829 598 450 12 BSNL National Internet Backbo
1221 546 1934 419 Telstra Pty Ltd

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
7018 1443 5934 1022 AT&T WorldNet Services
4323 1428 1029 376 Time Warner Telecom
2386 1380 642 855 AT&T Data Communications Serv
11492 1211 145 55 Cable One
7011 1088 317 619 Citizens Utilities
18566 1042 296 10 Covad Communications
1785 1005 479 107 AppliedTheory Corporation
6197 983 597 507 BellSouth Network Solutions,
174 969 6835 809 Cogent Communications
20115 923 876 512 Charter Communications

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
3292 402 1787 366 TDC Tele Danmark
3301 338 1459 307 TeliaNet Sweden
8452 329 188 7 TEDATA
3320 326 7045 270 Deutsche Telekom AG
5462 292 666 26 Telewest Broadband
8866 292 78 24 Bulgarian Telecommunication C
8551 281 269 37 Bezeq International
3215 279 2679 89 France Telecom Transpac
6746 267 127 244 Dynamic Network Technologies,
8708 261 421 248 Romania Data Systems S.A.

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 1190 2448 220 UniNet S.A. de C.V.
22047 557 270 14 VTR PUNTO NET S.A.
11830 555 299 9 Instituto Costarricense de El
7303 450 220 59 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 411 117 70 Servicios Alestra S.A de C.V
6471 402 85 39 ENTEL CHILE S.A.
10620 399 104 51 TVCABLE BOGOTA
14117 383 25 15 Telefonica del Sur S.A.
10481 310 152 10 Prima 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
24863 463 61 27 LINKdotNET AS number
3741 287 853 223 The Internet Solution
20858 216 34 3 EgyNet
2018 207 256 109 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 134 9 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 118 13 8 Ci Telecom Autonomous system
33776 99 6 7 Starcomms Nigeria Limited
24835 89 48 7 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 2476 3019 102 bellsouth.net, inc.
23577 1634 34 699 Korea Telecom (ATM-MPLS)
4755 1627 387 89 Videsh Sanchar Nigam Ltd. Aut
7018 1443 5934 1022 AT&T WorldNet Services
4323 1428 1029 376 Time Warner Telecom
2386 1380 642 855 AT&T Data Communications Serv
11492 1211 145 55 Cable One
8151 1190 2448 220 UniNet S.A. de C.V.
9498 1162 550 60 BHARTI BT INTERNET LTD.
9583 1157 99 211 Sify Limited

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

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

ASN No of nets Net Savings Description
4755 1627 1538 Videsh Sanchar Nigam Ltd. Aut
11492 1211 1156 Cable One
9498 1162 1102 BHARTI BT INTERNET LTD.
4323 1428 1052 Time Warner Telecom
18566 1042 1032 Covad Communications
8151 1190 970 UniNet S.A. de C.V.
17676 1016 951 Softbank BB Corp.
9583 1157 946 Sify Limited
23577 1634 935 Korea Telecom (ATM-MPLS)
17488 1008 930 Hathway IP Over Cable Interne

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

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

Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 1239 Sprint
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
15132 UNALLOCATED 12.9.150.0/24 701 UUNET Technologies,
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

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 /9:9 /10:16 /11:42 /12:138
/13:280 /14:504 /15:1004 /16:9833 /17:4354 /18:7305
/19:15325 /20:17696 /21:16964 /22:21534 /23:22504 /24:133061
/25:793 /26:910 /27:487 /28:107 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1197 1211 Cable One
2386 1082 1380 AT&T Data Communications Serv
18566 1023 1042 Covad Communications
9583 995 1157 Sify Limited
7011 970 1088 Citizens Utilities
4755 965 1627 Videsh Sanchar Nigam Ltd. Aut
6478 905 906 AT&T Worldnet Services
9498 834 1162 BHARTI BT INTERNET LTD.
17488 820 1008 Hathway IP Over Cable Interne
7018 815 1443 AT&T WorldNet Services

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

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

4:9 8:106 12:1994 13:1 15:20 16:3
17:6 18:13 20:35 24:1055 25:1 32:60
33:4 38:411 40:94 41:633 44:2 47:8
52:3 55:3 56:3 57:22 58:513 59:451
60:405 61:982 62:1085 63:1956 64:3386 65:2371
66:3648 67:1132 68:679 69:2147 70:606 71:125
72:1659 73:6 74:933 75:225 76:286 77:629
78:568 79:142 80:902 81:820 82:601 83:368
84:564 85:986 86:398 87:650 88:320 89:1240
90:11 91:1167 92:247 93:275 96:23 97:16
98:132 99:3 116:597 117:282 118:113 119:383
120:7 121:489 122:745 123:314 124:840 125:1101
128:318 129:200 130:125 131:397 132:65 133:9
134:180 135:32 136:220 137:113 138:147 139:65
140:485 141:109 142:427 143:279 144:345 145:50
146:344 147:134 148:499 149:180 150:128 151:175
152:142 153:127 154:11 155:266 156:207 157:263
158:169 159:224 160:252 161:111 162:210 163:194
164:576 165:436 166:298 167:315 168:612 169:131
170:427 171:28 172:2 189:172 190:1740 192:5789
193:4108 194:3277 195:2390 196:1040 198:3781 199:3236
200:5579 201:1384 202:7576 203:7838 204:4009 205:2100
206:2390 207:2741 208:3255 209:3504 210:2540 211:1041
212:1343 213:1652 214:457 215:48 216:4278 217:1208
218:361 219:408 220:1067 221:397 222:311

End of report

cscora at apnic

Apr 25, 2008, 11:06 AM

Post #53 of 149 (8240 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 Apr, 2008

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

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

BGP routing table entries examined: 254062
Prefixes after maximum aggregation: 126996
Deaggregation factor: 2.00
Unique aggregates announced to Internet: 123674
Total ASes present in the Internet Routing Table: 28040
Prefixes per ASN: 9.06
Origin-only ASes present in the Internet Routing Table: 24422
Origin ASes announcing only one prefix: 11383
Transit ASes present in the Internet Routing Table: 3618
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN (39375) 13
Prefixes from unregistered ASNs in the Routing Table: 25254
Unregistered ASNs in the Routing Table: 1883
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 794
Number of addresses announced to Internet: 1864785952
Equivalent to 111 /8s, 38 /16s and 96 /24s
Percentage of available address space announced: 50.3
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.6
Total number of prefixes smaller than registry allocations: 121945

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

Prefixes being announced by APNIC Region ASes: 42902
Total APNIC prefixes after maximum aggregation: 13600
APNIC Deaggregation factor: 3.15
Prefixes being announced from the APNIC address blocks: 55266
Unique aggregates announced from the APNIC address blocks: 23976
APNIC Region origin ASes present in the Internet Routing Table: 1927
APNIC Prefixes per ASN: 28.68
APNIC Region origin ASes announcing only one prefix: 550
APNIC Region transit ASes present in the Internet Routing Table: 353
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 346601824
Equivalent to 20 /8s, 168 /16s and 185 /24s
Percentage of available APNIC address space announced: 79.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 107608
Total ARIN prefixes after maximum aggregation: 59199
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 86454
Unique aggregates announced from the ARIN address blocks: 34200
ARIN Region origin ASes present in the Internet Routing Table: 11763
ARIN Prefixes per ASN: 7.35
ARIN Region origin ASes announcing only one prefix: 4592
ARIN Region transit ASes present in the Internet Routing Table: 1045
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 358940416
Equivalent to 21 /8s, 100 /16s and 255 /24s
Percentage of available ARIN address space announced: 73.8

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 54765
Total RIPE prefixes after maximum aggregation: 33522
RIPE Deaggregation factor: 1.63
Prefixes being announced from the RIPE address blocks: 49997
Unique aggregates announced from the RIPE address blocks: 33450
RIPE Region origin ASes present in the Internet Routing Table: 11258
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 5885
RIPE Region transit ASes present in the Internet Routing Table: 1723
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 355108864
Equivalent to 21 /8s, 42 /16s and 136 /24s
Percentage of available RIPE address space announced: 81.4

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 - 48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 19746
Total LACNIC prefixes after maximum aggregation: 4938
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 18144
Unique aggregates announced from the LACNIC address blocks: 9833
LACNIC Region origin ASes present in the Internet Routing Table: 894
LACNIC Prefixes per ASN: 20.30
LACNIC Region origin ASes announcing only one prefix: 277
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 50827008
Equivalent to 3 /8s, 7 /16s and 143 /24s
Percentage of available LACNIC address space announced: 50.5

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3786
Total AfriNIC prefixes after maximum aggregation: 1198
AfriNIC Deaggregation factor: 3.16
Prefixes being announced from the AfriNIC address blocks: 4141
Unique aggregates announced from the AfriNIC address blocks: 1840
AfriNIC Region origin ASes present in the Internet Routing Table: 241
AfriNIC Prefixes per ASN: 17.18
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 46
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 11360256
Equivalent to 0 /8s, 173 /16s and 88 /24s
Percentage of available AfriNIC address space announced: 33.9

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1634 387 89 Videsh Sanchar Nigam Ltd. Aut
9498 1162 550 61 BHARTI BT INTERNET LTD.
9583 1161 129 195 Sify Limited
17488 1059 70 77 Hathway IP Over Cable Interne
4134 856 12647 320 CHINANET-BACKBONE
4766 849 6006 345 Korea Telecom (KIX)
18101 680 149 54 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 545 1919 419 Telstra Pty Ltd
4808 519 837 132 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
4323 1423 1029 375 Time Warner Telecom
7018 1407 5977 1003 AT&T WorldNet Services
2386 1398 642 864 AT&T Data Communications Serv
11492 1214 146 37 Cable One
7011 1097 319 624 Citizens Utilities
18566 1043 296 10 Covad Communications
1785 1011 511 106 AppliedTheory Corporation
6197 988 598 508 BellSouth Network Solutions,
174 969 6835 802 Cogent Communications
22773 934 2394 62 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
3292 408 1787 368 TDC Tele Danmark
9198 381 74 9 Kazakhtelecom Data Network Ad
8452 356 188 7 TEDATA
3301 338 1459 307 TeliaNet Sweden
3320 323 7044 266 Deutsche Telekom AG
8866 297 78 24 Bulgarian Telecommunication C
5462 292 666 26 Telewest Broadband
8551 282 269 37 Bezeq International
3215 278 2679 89 France Telecom Transpac
6746 267 128 244 Dynamic Network Technologies,

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 1189 2432 222 UniNet S.A. de C.V.
11830 573 299 9 Instituto Costarricense de El
22047 562 270 14 VTR PUNTO NET S.A.
7303 455 222 60 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 414 85 46 ENTEL CHILE S.A.
11172 414 117 69 Servicios Alestra S.A de C.V
10620 386 98 77 TVCABLE BOGOTA
14117 384 25 15 Telefonica del Sur S.A.
20299 308 36 31 NEWCOM AMERICAS

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
24863 464 61 27 LINKdotNET AS number
3741 289 853 223 The Internet Solution
20858 217 34 3 EgyNet
2018 178 190 86 Tertiary Education Network
5713 150 558 120 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 116 13 8 Ci Telecom Autonomous system
33776 99 6 7 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 2768 3020 115 bellsouth.net, inc.
23577 1638 34 700 Korea Telecom (ATM-MPLS)
4755 1634 387 89 Videsh Sanchar Nigam Ltd. Aut
4323 1423 1029 375 Time Warner Telecom
7018 1407 5977 1003 AT&T WorldNet Services
2386 1398 642 864 AT&T Data Communications Serv
11492 1214 146 37 Cable One
8151 1189 2432 222 UniNet S.A. de C.V.
9498 1162 550 61 BHARTI BT INTERNET LTD.
9583 1161 129 195 Sify Limited

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

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

ASN No of nets Net Savings Description
4755 1634 1545 Videsh Sanchar Nigam Ltd. Aut
11492 1214 1177 Cable One
9498 1162 1101 BHARTI BT INTERNET LTD.
4323 1423 1048 Time Warner Telecom
18566 1043 1033 Covad Communications
17488 1059 982 Hathway IP Over Cable Interne
8151 1189 967 UniNet S.A. de C.V.
9583 1161 966 Sify Limited
17676 1016 951 Softbank BB Corp.
23577 1638 938 Korea Telecom (ATM-MPLS)

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

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

Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 1239 Sprint
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

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 /9:9 /10:16 /11:42 /12:140
/13:280 /14:506 /15:999 /16:9868 /17:4359 /18:7294
/19:15348 /20:17778 /21:17144 /22:21534 /23:22624 /24:133802
/25:772 /26:919 /27:495 /28:96 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1200 1214 Cable One
2386 1096 1398 AT&T Data Communications Serv
18566 1024 1043 Covad Communications
9583 999 1161 Sify Limited
7011 980 1097 Citizens Utilities
4755 972 1634 Videsh Sanchar Nigam Ltd. Aut
6478 924 925 AT&T Worldnet Services
17488 871 1059 Hathway IP Over Cable Interne
6389 863 2768 bellsouth.net, inc.
9498 835 1162 BHARTI BT INTERNET LTD.

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

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

4:9 8:106 12:2015 13:1 15:20 16:3
17:6 18:13 20:35 24:1062 25:1 32:61
33:4 38:415 40:94 41:657 44:2 47:8
52:3 55:3 56:3 57:22 58:512 59:455
60:440 61:982 62:1085 63:1959 64:3379 65:2401
66:3624 67:1144 68:672 69:2156 70:602 71:126
72:1677 73:6 74:952 75:226 76:289 77:646
78:609 79:146 80:898 81:853 82:605 83:373
84:554 85:1004 86:405 87:645 88:344 89:1273
90:11 91:1205 92:285 93:329 96:25 97:14
98:142 99:3 116:620 117:303 118:125 119:403
120:13 121:526 122:744 123:316 124:839 125:1115
128:320 129:198 130:128 131:401 132:65 133:9
134:179 135:32 136:222 137:113 138:150 139:60
140:490 141:96 142:437 143:284 144:346 145:50
146:360 147:142 148:502 149:180 150:128 151:175
152:142 153:127 154:10 155:265 156:208 157:263
158:168 159:224 160:254 161:111 162:210 163:196
164:577 165:444 166:298 167:316 168:611 169:127
170:427 171:28 172:2 189:164 190:1808 192:5770
193:4099 194:3260 195:2416 196:1061 198:3746 199:3235
200:5622 201:1406 202:7558 203:7804 204:4003 205:2089
206:2391 207:2754 208:3271 209:3469 210:2537 211:1046
212:1362 213:1647 214:447 215:50 216:4325 217:1220
218:351 219:407 220:1076 221:424 222:306

End of report

_______________________________________________
NANOG mailing list
NANOG [at] nanog
http://mailman.nanog.org/mailman/listinfo/nanog

cscora at apnic

May 2, 2008, 11:06 AM

Post #54 of 149 (8209 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 May, 2008

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

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

BGP routing table entries examined: 254787
Prefixes after maximum aggregation: 127004
Deaggregation factor: 2.01
Unique aggregates announced to Internet: 123511
Total ASes present in the Internet Routing Table: 28069
Prefixes per ASN: 9.08
Origin-only ASes present in the Internet Routing Table: 24458
Origin ASes announcing only one prefix: 11398
Transit ASes present in the Internet Routing Table: 3611
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN (44859) 15
Prefixes from unregistered ASNs in the Routing Table: 25380
Unregistered ASNs in the Routing Table: 1890
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 790
Number of addresses announced to Internet: 1865259040
Equivalent to 111 /8s, 45 /16s and 152 /24s
Percentage of available address space announced: 50.3
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.7
Total number of prefixes smaller than registry allocations: 122514

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

Prefixes being announced by APNIC Region ASes: 43073
Total APNIC prefixes after maximum aggregation: 13461
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 55456
Unique aggregates announced from the APNIC address blocks: 23561
APNIC Region origin ASes present in the Internet Routing Table: 1934
APNIC Prefixes per ASN: 28.67
APNIC Region origin ASes announcing only one prefix: 553
APNIC Region transit ASes present in the Internet Routing Table: 350
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 346760800
Equivalent to 20 /8s, 171 /16s and 38 /24s
Percentage of available APNIC address space announced: 79.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 107789
Total ARIN prefixes after maximum aggregation: 59234
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 86721
Unique aggregates announced from the ARIN address blocks: 34340
ARIN Region origin ASes present in the Internet Routing Table: 11784
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4611
ARIN Region transit ASes present in the Internet Routing Table: 1044
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 358349568
Equivalent to 21 /8s, 91 /16s and 251 /24s
Percentage of available ARIN address space announced: 73.7

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 54894
Total RIPE prefixes after maximum aggregation: 33555
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50101
Unique aggregates announced from the RIPE address blocks: 33548
RIPE Region origin ASes present in the Internet Routing Table: 11253
RIPE Prefixes per ASN: 4.45
RIPE Region origin ASes announcing only one prefix: 5880
RIPE Region transit ASes present in the Internet Routing Table: 1720
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 355464448
Equivalent to 21 /8s, 47 /16s and 245 /24s
Percentage of available RIPE address space announced: 81.5

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 - 48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 19830
Total LACNIC prefixes after maximum aggregation: 4971
LACNIC Deaggregation factor: 3.99
Prefixes being announced from the LACNIC address blocks: 18261
Unique aggregates announced from the LACNIC address blocks: 9839
LACNIC Region origin ASes present in the Internet Routing Table: 893
LACNIC Prefixes per ASN: 20.45
LACNIC Region origin ASes announcing only one prefix: 277
LACNIC Region transit ASes present in the Internet Routing Table: 154
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 50827264
Equivalent to 3 /8s, 7 /16s and 144 /24s
Percentage of available LACNIC address space announced: 50.5

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3820
Total AfriNIC prefixes after maximum aggregation: 1216
AfriNIC Deaggregation factor: 3.14
Prefixes being announced from the AfriNIC address blocks: 4152
Unique aggregates announced from the AfriNIC address blocks: 1842
AfriNIC Region origin ASes present in the Internet Routing Table: 241
AfriNIC Prefixes per ASN: 17.23
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 11770624
Equivalent to 0 /8s, 179 /16s and 155 /24s
Percentage of available AfriNIC address space announced: 35.1

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1640 387 90 Videsh Sanchar Nigam Ltd. Aut
9583 1174 140 16 Sify Limited
9498 1165 550 61 BHARTI BT INTERNET LTD.
17488 1060 70 75 Hathway IP Over Cable Interne
4134 855 12615 319 CHINANET-BACKBONE
4766 850 6006 345 Korea Telecom (KIX)
18101 680 149 54 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 544 1918 418 Telstra Pty Ltd
4808 515 829 129 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
4323 1425 1014 376 Time Warner Telecom
7018 1403 5977 1000 AT&T WorldNet Services
2386 1396 642 862 AT&T Data Communications Serv
11492 1211 146 36 Cable One
7011 1098 319 626 Citizens Utilities
18566 1043 296 10 Covad Communications
1785 1014 511 106 AppliedTheory Corporation
6197 987 598 508 BellSouth Network Solutions,
174 971 6835 802 Cogent Communications
22773 948 2394 62 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
3292 407 1788 367 TDC Tele Danmark
9198 401 74 9 Kazakhtelecom Data Network Ad
8452 356 188 7 TEDATA
3301 338 1458 306 TeliaNet Sweden
3320 324 7044 267 Deutsche Telekom AG
8866 298 78 24 Bulgarian Telecommunication C
5462 292 666 26 Telewest Broadband
8551 282 269 37 Bezeq International
3215 277 2678 89 France Telecom Transpac
680 272 2047 262 DFN-IP service G-WiN

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 1201 2432 223 UniNet S.A. de C.V.
11830 601 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 455 222 60 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 416 85 46 ENTEL CHILE S.A.
11172 415 117 69 Servicios Alestra S.A de C.V
10620 388 99 76 TVCABLE BOGOTA
14117 384 25 15 Telefonica del Sur S.A.
20299 341 36 31 NEWCOM AMERICAS

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
24863 464 61 27 LINKdotNET AS number
3741 289 853 223 The Internet Solution
20858 218 34 3 EgyNet
2018 179 190 86 Tertiary Education Network
5713 150 558 120 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 116 13 8 Ci Telecom Autonomous system
33776 99 6 7 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 2900 3021 117 bellsouth.net, inc.
23577 1642 34 701 Korea Telecom (ATM-MPLS)
4755 1640 387 90 Videsh Sanchar Nigam Ltd. Aut
4323 1425 1014 376 Time Warner Telecom
7018 1403 5977 1000 AT&T WorldNet Services
2386 1396 642 862 AT&T Data Communications Serv
11492 1211 146 36 Cable One
8151 1201 2432 223 UniNet S.A. de C.V.
9583 1174 140 16 Sify Limited
9498 1165 550 61 BHARTI BT INTERNET LTD.

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

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

ASN No of nets Net Savings Description
4755 1640 1550 Videsh Sanchar Nigam Ltd. Aut
11492 1211 1175 Cable One
9583 1174 1158 Sify Limited
9498 1165 1104 BHARTI BT INTERNET LTD.
4323 1425 1049 Time Warner Telecom
18566 1043 1033 Covad Communications
17488 1060 985 Hathway IP Over Cable Interne
8151 1201 978 UniNet S.A. de C.V.
17676 1016 951 Softbank BB Corp.
23577 1642 941 Korea Telecom (ATM-MPLS)

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

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

Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 1239 Sprint
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
15132 UNALLOCATED 12.9.150.0/24 701 UUNET Technologies,
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

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 /9:9 /10:16 /11:42 /12:139
/13:280 /14:506 /15:1002 /16:9886 /17:4361 /18:7292
/19:15380 /20:17794 /21:17202 /22:21610 /23:22706 /24:134198
/25:783 /26:939 /27:497 /28:108 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1197 1211 Cable One
2386 1096 1396 AT&T Data Communications Serv
18566 1024 1043 Covad Communications
9583 1009 1174 Sify Limited
7011 981 1098 Citizens Utilities
4755 975 1640 Videsh Sanchar Nigam Ltd. Aut
6478 934 935 AT&T Worldnet Services
6389 899 2900 bellsouth.net, inc.
17488 872 1060 Hathway IP Over Cable Interne
9498 841 1165 BHARTI BT INTERNET LTD.

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

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

4:9 8:106 12:2027 13:1 15:20 16:3
17:5 18:13 20:35 24:1072 25:1 32:61
33:4 38:419 40:94 41:662 44:2 47:8
52:3 55:3 56:3 57:22 58:513 59:460
60:441 61:984 62:1109 63:1962 64:3411 65:2434
66:3629 67:1170 68:674 69:2192 70:599 71:126
72:1675 73:6 74:950 75:228 76:303 77:648
78:605 79:149 80:898 81:856 82:624 83:372
84:545 85:993 86:399 87:655 88:345 89:1278
90:11 91:1213 92:293 93:360 96:25 97:14
98:151 99:3 116:634 117:297 118:124 119:374
120:14 121:525 122:756 123:320 124:853 125:1120
128:292 129:198 130:129 131:405 132:67 133:9
134:179 135:32 136:223 137:112 138:150 139:62
140:485 141:96 142:395 143:285 144:357 145:50
146:358 147:150 148:506 149:183 150:131 151:181
152:141 153:133 154:10 155:269 156:207 157:267
158:168 159:221 160:253 161:111 162:208 163:194
164:582 165:448 166:304 167:320 168:614 169:128
170:422 171:28 172:2 189:164 190:1822 192:5773
193:4097 194:3255 195:2417 196:1057 198:3743 199:3227
200:5651 201:1447 202:7542 203:7829 204:3998 205:2090
206:2394 207:2749 208:3295 209:3444 210:2539 211:1044
212:1369 213:1634 214:445 215:51 216:4337 217:1218
218:347 219:406 220:1069 221:482 222:305

End of report

_______________________________________________
NANOG mailing list
NANOG [at] nanog
http://mailman.nanog.org/mailman/listinfo/nanog

cscora at apnic

May 9, 2008, 11:06 AM

Post #55 of 149 (8163 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 May, 2008

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

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

BGP routing table entries examined: 255385
Prefixes after maximum aggregation: 127091
Deaggregation factor: 2.01
Unique aggregates announced to Internet: 123930
Total ASes present in the Internet Routing Table: 28142
Prefixes per ASN: 9.07
Origin-only ASes present in the Internet Routing Table: 24541
Origin ASes announcing only one prefix: 11411
Transit ASes present in the Internet Routing Table: 3601
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (44859) 15
Prefixes from unregistered ASNs in the Routing Table: 25412
Unregistered ASNs in the Routing Table: 1885
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 789
Number of addresses announced to Internet: 1849281216
Equivalent to 110 /8s, 57 /16s and 202 /24s
Percentage of available address space announced: 49.9
Percentage of allocated address space announced: 61.3
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.7
Total number of prefixes smaller than registry allocations: 122983

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

Prefixes being announced by APNIC Region ASes: 43145
Total APNIC prefixes after maximum aggregation: 13462
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 55558
Unique aggregates announced from the APNIC address blocks: 23715
APNIC Region origin ASes present in the Internet Routing Table: 1932
APNIC Prefixes per ASN: 28.76
APNIC Region origin ASes announcing only one prefix: 544
APNIC Region transit ASes present in the Internet Routing Table: 346
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 347251424
Equivalent to 20 /8s, 178 /16s and 162 /24s
Percentage of available APNIC address space announced: 79.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 107798
Total ARIN prefixes after maximum aggregation: 59250
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 86847
Unique aggregates announced from the ARIN address blocks: 34386
ARIN Region origin ASes present in the Internet Routing Table: 11802
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4607
ARIN Region transit ASes present in the Internet Routing Table: 1037
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 358258080
Equivalent to 21 /8s, 90 /16s and 149 /24s
Percentage of available ARIN address space announced: 73.6

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 55300
Total RIPE prefixes after maximum aggregation: 33687
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50506
Unique aggregates announced from the RIPE address blocks: 33769
RIPE Region origin ASes present in the Internet Routing Table: 11311
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 5905
RIPE Region transit ASes present in the Internet Routing Table: 1720
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 356375680
Equivalent to 21 /8s, 61 /16s and 220 /24s
Percentage of available RIPE address space announced: 81.7

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 - 48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 19926
Total LACNIC prefixes after maximum aggregation: 4988
LACNIC Deaggregation factor: 3.99
Prefixes being announced from the LACNIC address blocks: 18385
Unique aggregates announced from the LACNIC address blocks: 9882
LACNIC Region origin ASes present in the Internet Routing Table: 898
LACNIC Prefixes per ASN: 20.47
LACNIC Region origin ASes announcing only one prefix: 278
LACNIC Region transit ASes present in the Internet Routing Table: 153
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 51034112
Equivalent to 3 /8s, 10 /16s and 184 /24s
Percentage of available LACNIC address space announced: 50.7

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3803
Total AfriNIC prefixes after maximum aggregation: 1177
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4161
Unique aggregates announced from the AfriNIC address blocks: 1849
AfriNIC Region origin ASes present in the Internet Routing Table: 240
AfriNIC Prefixes per ASN: 17.34
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12183552
Equivalent to 0 /8s, 185 /16s and 232 /24s
Percentage of available AfriNIC address space announced: 36.3

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1633 387 91 Videsh Sanchar Nigam Ltd. Aut
9583 1180 140 15 Sify Limited
9498 1171 550 61 BHARTI BT INTERNET LTD.
17488 1063 70 82 Hathway IP Over Cable Interne
4134 853 12613 317 CHINANET-BACKBONE
4766 848 6006 343 Korea Telecom (KIX)
18101 678 149 53 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 548 1919 421 Telstra Pty Ltd
4808 520 837 132 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
4323 1424 1014 378 Time Warner Telecom
2386 1400 643 866 AT&T Data Communications Serv
7018 1399 5976 995 AT&T WorldNet Services
11492 1212 146 33 Cable One
7011 1095 319 624 Citizens Utilities
18566 1044 296 10 Covad Communications
6197 1028 630 543 BellSouth Network Solutions,
1785 1018 511 106 AppliedTheory Corporation
174 974 6836 803 Cogent Communications
22773 950 2394 62 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
9198 428 74 9 Kazakhtelecom Data Network Ad
3292 409 1788 369 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 338 1458 306 TeliaNet Sweden
3320 324 7044 267 Deutsche Telekom AG
8866 298 78 24 Bulgarian Telecommunication C
5462 292 666 26 Telewest Broadband
8551 282 269 37 Bezeq International
3215 278 2686 90 France Telecom Transpac
680 272 2047 262 DFN-IP service G-WiN

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 1201 2432 227 UniNet S.A. de C.V.
11830 600 299 14 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
7303 456 223 62 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 416 85 46 ENTEL CHILE S.A.
11172 413 117 69 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 343 36 31 NEWCOM AMERICAS

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
24863 463 61 27 LINKdotNET AS number
3741 289 853 223 The Internet Solution
20858 220 34 3 EgyNet
5713 172 575 108 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
2018 136 140 68 Tertiary Education Network
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 116 13 8 Ci Telecom Autonomous system
33776 99 6 7 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 3098 3037 123 bellsouth.net, inc.
23577 1642 34 701 Korea Telecom (ATM-MPLS)
4755 1633 387 91 Videsh Sanchar Nigam Ltd. Aut
4323 1424 1014 378 Time Warner Telecom
2386 1400 643 866 AT&T Data Communications Serv
7018 1399 5976 995 AT&T WorldNet Services
11492 1212 146 33 Cable One
8151 1201 2432 227 UniNet S.A. de C.V.
9583 1180 140 15 Sify Limited
9498 1171 550 61 BHARTI BT INTERNET LTD.

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

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

ASN No of nets Net Savings Description
4755 1633 1542 Videsh Sanchar Nigam Ltd. Aut
11492 1212 1179 Cable One
9583 1180 1165 Sify Limited
9498 1171 1110 BHARTI BT INTERNET LTD.
4323 1424 1046 Time Warner Telecom
18566 1044 1034 Covad Communications
17488 1063 981 Hathway IP Over Cable Interne
8151 1201 974 UniNet S.A. de C.V.
17676 1016 951 Softbank BB Corp.
23577 1642 941 Korea Telecom (ATM-MPLS)

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

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

Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 1239 Sprint
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
15132 UNALLOCATED 12.9.150.0/24 701 UUNET Technologies,
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

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 /8:18 /9:9 /10:16 /11:40 /12:139
/13:280 /14:507 /15:1000 /16:9894 /17:4365 /18:7282
/19:15392 /20:17810 /21:17222 /22:21693 /23:22787 /24:134651
/25:773 /26:921 /27:486 /28:82 /29:9 /30:1
/31:0 /32:8

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

ASN No of nets Total ann. Description
11492 1198 1212 Cable One
2386 1100 1400 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
9583 1016 1180 Sify Limited
4755 979 1633 Videsh Sanchar Nigam Ltd. Aut
7011 978 1095 Citizens Utilities
6389 966 3098 bellsouth.net, inc.
6478 940 941 AT&T Worldnet Services
17488 876 1063 Hathway IP Over Cable Interne
9498 846 1171 BHARTI BT INTERNET LTD.

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

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

4:9 8:108 12:2034 13:1 15:20 16:3
17:5 18:13 20:35 24:1069 25:1 32:61
33:3 38:420 40:94 41:661 44:2 47:9
52:3 55:3 56:3 57:22 58:517 59:459
60:441 61:980 62:1128 63:1959 64:3414 65:2435
66:3646 67:1183 68:664 69:2212 70:599 71:121
72:1681 73:6 74:957 75:227 76:306 77:650
78:610 79:151 80:904 81:865 82:628 83:386
84:561 85:1001 86:403 87:667 88:346 89:1300
90:11 91:1205 92:299 93:443 96:28 97:14
98:152 99:3 114:2 116:641 117:305 118:133
119:388 120:29 121:524 122:764 123:331 124:850
125:1125 128:323 129:197 130:129 131:404 132:67
133:9 134:180 135:31 136:222 137:112 138:144
139:66 140:491 141:96 142:397 143:280 144:349
145:50 146:360 147:152 148:502 149:183 150:131
151:181 152:141 153:133 154:10 155:260 156:173
157:267 158:165 159:222 160:254 161:111 162:213
163:197 164:520 165:447 166:305 167:319 168:606
169:131 170:426 171:28 172:2 189:196 190:1864
192:5765 193:4102 194:3258 195:2428 196:1065 198:3728
199:3238 200:5674 201:1454 202:7614 203:7808 204:3980
205:2080 206:2393 207:2743 208:3322 209:3431 210:2526
211:1048 212:1387 213:1654 214:454 215:50 216:4335
217:1225 218:349 219:407 220:1069 221:480 222:305

End of report

_______________________________________________
NANOG mailing list
NANOG [at] nanog
http://mailman.nanog.org/mailman/listinfo/nanog

cscora at apnic

May 16, 2008, 11:07 AM

Post #56 of 149 (8119 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 May, 2008

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

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

BGP routing table entries examined: 255996
Prefixes after maximum aggregation: 127048
Deaggregation factor: 2.01
Unique aggregates announced to Internet: 124142
Total ASes present in the Internet Routing Table: 28207
Prefixes per ASN: 9.08
Origin-only ASes present in the Internet Routing Table: 24602
Origin ASes announcing only one prefix: 11444
Transit ASes present in the Internet Routing Table: 3605
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (39375) 13
Prefixes from unregistered ASNs in the Routing Table: 25568
Unregistered ASNs in the Routing Table: 1888
Number of 32-bit ASNs allocated by the RIRs: 47
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 787
Number of addresses announced to Internet: 1852593056
Equivalent to 110 /8s, 108 /16s and 83 /24s
Percentage of available address space announced: 50.0
Percentage of allocated address space announced: 61.4
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.9
Total number of prefixes smaller than registry allocations: 123367

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

Prefixes being announced by APNIC Region ASes: 43195
Total APNIC prefixes after maximum aggregation: 13464
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 55719
Unique aggregates announced from the APNIC address blocks: 23792
APNIC Region origin ASes present in the Internet Routing Table: 1944
APNIC Prefixes per ASN: 28.66
APNIC Region origin ASes announcing only one prefix: 547
APNIC Region transit ASes present in the Internet Routing Table: 354
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 349020128
Equivalent to 20 /8s, 205 /16s and 159 /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
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 107932
Total ARIN prefixes after maximum aggregation: 59258
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 86932
Unique aggregates announced from the ARIN address blocks: 34225
ARIN Region origin ASes present in the Internet Routing Table: 11816
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4615
ARIN Region transit ASes present in the Internet Routing Table: 1043
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 358062720
Equivalent to 21 /8s, 87 /16s and 154 /24s
Percentage of available ARIN address space announced: 73.6

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 55366
Total RIPE prefixes after maximum aggregation: 33712
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50562
Unique aggregates announced from the RIPE address blocks: 33804
RIPE Region origin ASes present in the Internet Routing Table: 11339
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 5926
RIPE Region transit ASes present in the Internet Routing Table: 1711
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 357182592
Equivalent to 21 /8s, 74 /16s and 44 /24s
Percentage of available RIPE address space announced: 81.9

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 - 48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20096
Total LACNIC prefixes after maximum aggregation: 5006
LACNIC Deaggregation factor: 4.01
Prefixes being announced from the LACNIC address blocks: 18551
Unique aggregates announced from the LACNIC address blocks: 10046
LACNIC Region origin ASes present in the Internet Routing Table: 902
LACNIC Prefixes per ASN: 20.57
LACNIC Region origin ASes announcing only one prefix: 279
LACNIC Region transit ASes present in the Internet Routing Table: 156
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 51284736
Equivalent to 3 /8s, 14 /16s and 139 /24s
Percentage of available LACNIC address space announced: 50.9

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3839
Total AfriNIC prefixes after maximum aggregation: 1178
AfriNIC Deaggregation factor: 3.26
Prefixes being announced from the AfriNIC address blocks: 4201
Unique aggregates announced from the AfriNIC address blocks: 1862
AfriNIC Region origin ASes present in the Internet Routing Table: 241
AfriNIC Prefixes per ASN: 17.43
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12207616
Equivalent to 0 /8s, 186 /16s and 70 /24s
Percentage of available AfriNIC address space announced: 36.4

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1639 387 91 Videsh Sanchar Nigam Ltd. Aut
9498 1170 550 61 BHARTI BT INTERNET LTD.
9583 1150 140 15 Sify Limited
17488 1064 70 76 Hathway IP Over Cable Interne
4134 855 12661 319 CHINANET-BACKBONE
4766 848 6006 343 Korea Telecom (KIX)
18101 679 149 51 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 545 1918 419 Telstra Pty Ltd
4808 521 837 132 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
4323 1425 1030 379 Time Warner Telecom
2386 1403 643 874 AT&T Data Communications Serv
7018 1395 5975 996 AT&T WorldNet Services
11492 1218 148 13 Cable One
7011 1086 318 617 Citizens Utilities
18566 1044 296 10 Covad Communications
6197 1028 630 542 BellSouth Network Solutions,
1785 1017 510 105 AppliedTheory Corporation
174 975 6836 804 Cogent Communications
22773 949 2394 62 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
9198 428 74 9 Kazakhtelecom Data Network Ad
3292 410 1789 370 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 338 1458 306 TeliaNet Sweden
3320 317 7044 266 Deutsche Telekom AG
8866 298 77 22 Bulgarian Telecommunication C
5462 292 666 26 Telewest Broadband
8551 282 269 37 Bezeq International
3215 279 2686 90 France Telecom Transpac
680 274 2045 264 DFN-IP service G-WiN

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 1219 2464 229 UniNet S.A. de C.V.
11830 601 299 9 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
7303 460 225 66 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 419 85 46 ENTEL CHILE S.A.
11172 412 117 67 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 330 36 31 NEWCOM AMERICAS

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
24863 471 61 28 LINKdotNET AS number
3741 286 853 223 The Internet Solution
20858 222 34 3 EgyNet
5713 174 575 108 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 141 70 Tertiary Education Network
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 116 13 8 Ci Telecom Autonomous system
33776 99 6 7 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 3714 3045 168 bellsouth.net, inc.
23577 1644 34 702 Korea Telecom (ATM-MPLS)
4755 1639 387 91 Videsh Sanchar Nigam Ltd. Aut
4323 1425 1030 379 Time Warner Telecom
2386 1403 643 874 AT&T Data Communications Serv
7018 1395 5975 996 AT&T WorldNet Services
8151 1219 2464 229 UniNet S.A. de C.V.
11492 1218 148 13 Cable One
9498 1170 550 61 BHARTI BT INTERNET LTD.
9583 1150 140 15 Sify Limited

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

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

ASN No of nets Net Savings Description
4755 1639 1548 Videsh Sanchar Nigam Ltd. Aut
11492 1218 1205 Cable One
9583 1150 1135 Sify Limited
9498 1170 1109 BHARTI BT INTERNET LTD.
4323 1425 1046 Time Warner Telecom
18566 1044 1034 Covad Communications
8151 1219 990 UniNet S.A. de C.V.
17488 1064 988 Hathway IP Over Cable Interne
17676 1016 951 Softbank BB Corp.
23577 1644 942 Korea Telecom (ATM-MPLS)

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

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

Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 1239 Sprint
12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

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 /8:18 /9:9 /10:16 /11:42 /12:140
/13:281 /14:512 /15:1007 /16:9925 /17:4363 /18:7295
/19:15434 /20:17896 /21:17297 /22:21736 /23:22825 /24:134902
/25:782 /26:927 /27:490 /28:80 /29:9 /30:1
/31:0 /32:9

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

ASN No of nets Total ann. Description
11492 1201 1218 Cable One
6389 1144 3714 bellsouth.net, inc.
2386 1103 1403 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
9583 988 1150 Sify Limited
4755 985 1639 Videsh Sanchar Nigam Ltd. Aut
7011 969 1086 Citizens Utilities
6478 944 945 AT&T Worldnet Services
17488 877 1064 Hathway IP Over Cable Interne
9498 844 1170 BHARTI BT INTERNET LTD.

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

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

4:9 8:108 12:2045 13:1 15:20 16:3
17:5 18:13 20:35 24:1069 25:1 32:61
33:3 38:421 40:93 41:673 44:2 47:12
52:3 55:3 56:3 57:23 58:510 59:461
60:442 61:981 62:1104 63:1959 64:3397 65:2427
66:3654 67:1187 68:657 69:2220 70:605 71:121
72:1671 73:5 74:965 75:226 76:307 77:666
78:612 79:151 80:899 81:865 82:618 83:389
84:559 85:1009 86:411 87:658 88:339 89:1301
90:11 91:1231 92:274 93:447 96:32 97:14
98:154 99:3 114:4 116:642 117:327 118:134
119:395 120:39 121:536 122:760 123:348 124:849
125:1133 128:314 129:201 130:132 131:405 132:66
133:9 134:180 135:33 136:221 137:116 138:145
139:64 140:492 141:95 142:390 143:280 144:349
145:50 146:363 147:152 148:493 149:183 150:131
151:183 152:141 153:134 154:10 155:265 156:174
157:270 158:163 159:221 160:255 161:111 162:215
163:199 164:522 165:446 166:304 167:320 168:611
169:131 170:426 171:28 172:22 189:166 190:1996
192:5772 193:4105 194:3260 195:2433 196:1064 198:3729
199:3246 200:5671 201:1461 202:7560 203:7825 204:4000
205:2074 206:2394 207:2746 208:3337 209:3432 210:2535
211:1041 212:1385 213:1654 214:458 215:49 216:4356
217:1204 218:355 219:411 220:1075 221:470 222:308

End of report

_______________________________________________
NANOG mailing list
NANOG [at] nanog
http://mailman.nanog.org/mailman/listinfo/nanog

cscora at apnic

May 23, 2008, 11:07 AM

Post #57 of 149 (8086 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 May, 2008

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

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

BGP routing table entries examined: 256264
Prefixes after maximum aggregation: 127251
Deaggregation factor: 2.01
Unique aggregates announced to Internet: 124284
Total ASes present in the Internet Routing Table: 28277
Prefixes per ASN: 9.06
Origin-only ASes present in the Internet Routing Table: 24653
Origin ASes announcing only one prefix: 11865
Transit ASes present in the Internet Routing Table: 3624
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (39375) 13
Prefixes from unregistered ASNs in the Routing Table: 601
Unregistered ASNs in the Routing Table: 219
Number of 32-bit ASNs allocated by the RIRs: 47
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 805
Number of addresses announced to Internet: 1870739648
Equivalent to 111 /8s, 129 /16s and 56 /24s
Percentage of available address space announced: 50.5
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 72.0
Total number of prefixes smaller than registry allocations: 123489

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

Prefixes being announced by APNIC Region ASes: 58778
Total APNIC prefixes after maximum aggregation: 21606
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 55812
Unique aggregates announced from the APNIC address blocks: 23839
APNIC Region origin ASes present in the Internet Routing Table: 3240
APNIC Prefixes per ASN: 17.23
APNIC Region origin ASes announcing only one prefix: 848
APNIC Region transit ASes present in the Internet Routing Table: 500
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 349390304
Equivalent to 20 /8s, 211 /16s and 69 /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
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 117761
Total ARIN prefixes after maximum aggregation: 65072
ARIN Deaggregation factor: 1.81
Prefixes being announced from the ARIN address blocks: 87269
Unique aggregates announced from the ARIN address blocks: 34233
ARIN Region origin ASes present in the Internet Routing Table: 12191
ARIN Prefixes per ASN: 7.16
ARIN Region origin ASes announcing only one prefix: 4698
ARIN Region transit ASes present in the Internet Routing Table: 1136
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 357831296
Equivalent to 21 /8s, 84 /16s and 18 /24s
Percentage of available ARIN address space announced: 73.5

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 55139
Total RIPE prefixes after maximum aggregation: 33790
RIPE Deaggregation factor: 1.63
Prefixes being announced from the RIPE address blocks: 50307
Unique aggregates announced from the RIPE address blocks: 33864
RIPE Region origin ASes present in the Internet Routing Table: 11361
RIPE Prefixes per ASN: 4.43
RIPE Region origin ASes announcing only one prefix: 5933
RIPE Region transit ASes present in the Internet Routing Table: 1718
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 357934464
Equivalent to 21 /8s, 85 /16s and 165 /24s
Percentage of available RIPE address space announced: 82.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20118
Total LACNIC prefixes after maximum aggregation: 5085
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 18471
Unique aggregates announced from the LACNIC address blocks: 10100
LACNIC Region origin ASes present in the Internet Routing Table: 947
LACNIC Prefixes per ASN: 19.50
LACNIC Region origin ASes announcing only one prefix: 309
LACNIC Region transit ASes present in the Internet Routing Table: 159
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 51585024
Equivalent to 3 /8s, 19 /16s and 32 /24s
Percentage of available LACNIC address space announced: 51.2

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3871
Total AfriNIC prefixes after maximum aggregation: 1200
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4177
Unique aggregates announced from the AfriNIC address blocks: 1842
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.19
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12240640
Equivalent to 0 /8s, 186 /16s and 199 /24s
Percentage of available AfriNIC address space announced: 36.5

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1639 387 91 Videsh Sanchar Nigam Ltd. Aut
9498 1151 550 60 BHARTI BT INTERNET LTD.
9583 1149 140 15 Sify Limited
17488 1064 70 76 Hathway IP Over Cable Interne
4134 854 12661 319 CHINANET-BACKBONE
4766 847 6006 343 Korea Telecom (KIX)
23577 823 34 703 Korea Telecom (ATM-MPLS)
18101 681 149 51 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 546 1919 420 Telstra Pty Ltd

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 1993 3087 178 bellsouth.net, inc.
4323 1464 1045 379 Time Warner Telecom
2386 1434 659 871 AT&T Data Communications Serv
7018 1384 5971 986 AT&T WorldNet Services
11492 1223 148 11 Cable One
7011 1088 302 616 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1022 510 105 AppliedTheory Corporation
6197 987 597 507 BellSouth Network Solutions,
174 970 6837 806 Cogent Communications

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
3292 408 1788 369 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 337 1458 305 TeliaNet Sweden
3320 317 7044 266 Deutsche Telekom AG
8866 297 77 21 Bulgarian Telecommunication C
5462 291 666 26 Telewest Broadband
3215 284 2702 93 France Telecom Transpac
8551 282 269 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
9155 267 46 11 QualityNet AS number

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 1227 2464 228 UniNet S.A. de C.V.
11830 601 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 460 225 66 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 414 85 46 ENTEL CHILE S.A.
11172 410 117 67 Servicios Alestra S.A de C.V
10620 388 99 70 TVCABLE BOGOTA
14117 372 23 9 Telefonica del Sur S.A.
20299 330 36 31 NEWCOM AMERICAS

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
24863 472 61 28 LINKdotNET AS number
3741 286 853 223 The Internet Solution
20858 223 34 3 EgyNet
2018 182 173 82 Tertiary Education Network
5713 174 575 108 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 100 13 8 Ci Telecom Autonomous system
33776 99 6 7 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 1993 3087 178 bellsouth.net, inc.
4755 1639 387 91 Videsh Sanchar Nigam Ltd. Aut
4323 1464 1045 379 Time Warner Telecom
2386 1434 659 871 AT&T Data Communications Serv
7018 1384 5971 986 AT&T WorldNet Services
8151 1227 2464 228 UniNet S.A. de C.V.
11492 1223 148 11 Cable One
9498 1151 550 60 BHARTI BT INTERNET LTD.
9583 1149 140 15 Sify Limited
7011 1088 302 616 Citizens Utilities

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

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

ASN No of nets Net Savings Description
4755 1639 1548 Videsh Sanchar Nigam Ltd. Aut
11492 1223 1212 Cable One
9583 1149 1134 Sify Limited
9498 1151 1091 BHARTI BT INTERNET LTD.
4323 1464 1085 Time Warner Telecom
18566 1044 1034 Covad Communications
8151 1227 999 UniNet S.A. de C.V.
17488 1064 988 Hathway IP Over Cable Interne
1785 1022 917 AppliedTheory Corporation
22773 946 883 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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

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 /9:9 /10:16 /11:42 /12:141
/13:282 /14:513 /15:1009 /16:9919 /17:4362 /18:7282
/19:15459 /20:17899 /21:17380 /22:21782 /23:22818 /24:135021
/25:791 /26:926 /27:494 /28:81 /29:9 /30:1
/31:0 /32:9

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

ASN No of nets Total ann. Description
6389 1229 1993 bellsouth.net, inc.
11492 1205 1223 Cable One
2386 1133 1434 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
9583 987 1149 Sify Limited
4755 985 1639 Videsh Sanchar Nigam Ltd. Aut
7011 972 1088 Citizens Utilities
6478 950 951 AT&T Worldnet Services
17488 877 1064 Hathway IP Over Cable Interne
9498 835 1151 BHARTI BT INTERNET LTD.

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

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

4:9 8:107 12:2049 13:1 15:20 16:3
17:5 18:13 20:35 24:1075 25:1 32:61
33:3 38:425 40:93 41:649 44:2 47:12
52:3 55:3 56:3 57:23 58:511 59:462
60:442 61:997 62:1113 63:1953 64:3393 65:2417
66:3651 67:1197 68:681 69:2239 70:631 71:125
72:1755 73:5 74:973 75:216 76:308 77:654
78:611 79:153 80:898 81:858 82:583 83:394
84:566 85:1032 86:416 87:654 88:329 89:1223
90:11 91:1231 92:193 93:487 96:31 97:17
98:172 99:3 114:13 116:642 117:321 118:132
119:423 120:37 121:530 122:768 123:345 124:852
125:1131 128:325 129:200 130:131 131:401 132:66
133:9 134:178 135:33 136:220 137:90 138:151
139:64 140:484 141:99 142:399 143:299 144:352
145:50 146:363 147:153 148:503 149:183 150:131
151:191 152:141 153:134 154:10 155:273 156:174
157:271 158:163 159:221 160:257 161:114 162:228
163:186 164:524 165:448 166:309 167:323 168:609
169:131 170:427 171:28 172:10 189:168 190:2017
192:5789 193:4100 194:3212 195:2438 196:1063 198:3740
199:3261 200:5634 201:1436 202:7602 203:7839 204:3998
205:2079 206:2404 207:2766 208:3338 209:3426 210:2499
211:1051 212:1389 213:1637 214:473 215:49 216:4357
217:1200 218:355 219:416 220:1080 221:466 222:309

End of report

cscora at apnic

May 30, 2008, 11:07 AM

Post #58 of 149 (8036 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 May, 2008

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

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

BGP routing table entries examined: 256681
Prefixes after maximum aggregation: 127966
Deaggregation factor: 2.01
Unique aggregates announced to Internet: 125823
Total ASes present in the Internet Routing Table: 28326
Prefixes per ASN: 9.06
Origin-only ASes present in the Internet Routing Table: 24711
Origin ASes announcing only one prefix: 11900
Transit ASes present in the Internet Routing Table: 3615
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 626
Unregistered ASNs in the Routing Table: 236
Number of 32-bit ASNs allocated by the RIRs: 49
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 782
Number of addresses announced to Internet: 1874228320
Equivalent to 111 /8s, 182 /16s and 116 /24s
Percentage of available address space announced: 50.6
Percentage of allocated address space announced: 61.4
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.0
Total number of prefixes smaller than registry allocations: 123722

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

Prefixes being announced by APNIC Region ASes: 58811
Total APNIC prefixes after maximum aggregation: 22049
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 55821
Unique aggregates announced from the APNIC address blocks: 24827
APNIC Region origin ASes present in the Internet Routing Table: 3252
APNIC Prefixes per ASN: 17.17
APNIC Region origin ASes announcing only one prefix: 854
APNIC Region transit ASes present in the Internet Routing Table: 502
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 351187872
Equivalent to 20 /8s, 238 /16s and 179 /24s
Percentage of available APNIC address space announced: 74.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 117915
Total ARIN prefixes after maximum aggregation: 65206
ARIN Deaggregation factor: 1.81
Prefixes being announced from the ARIN address blocks: 87447
Unique aggregates announced from the ARIN address blocks: 34419
ARIN Region origin ASes present in the Internet Routing Table: 12183
ARIN Prefixes per ASN: 7.18
ARIN Region origin ASes announcing only one prefix: 4701
ARIN Region transit ASes present in the Internet Routing Table: 1131
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 357844480
Equivalent to 21 /8s, 84 /16s and 70 /24s
Percentage of available ARIN address space announced: 73.5

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 55345
Total RIPE prefixes after maximum aggregation: 33873
RIPE Deaggregation factor: 1.63
Prefixes being announced from the RIPE address blocks: 50545
Unique aggregates announced from the RIPE address blocks: 33982
RIPE Region origin ASes present in the Internet Routing Table: 11397
RIPE Prefixes per ASN: 4.43
RIPE Region origin ASes announcing only one prefix: 5957
RIPE Region transit ASes present in the Internet Routing Table: 1722
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 359785600
Equivalent to 21 /8s, 113 /16s and 228 /24s
Percentage of available RIPE address space announced: 82.5

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20091
Total LACNIC prefixes after maximum aggregation: 5118
LACNIC Deaggregation factor: 3.93
Prefixes being announced from the LACNIC address blocks: 18402
Unique aggregates announced from the LACNIC address blocks: 10322
LACNIC Region origin ASes present in the Internet Routing Table: 951
LACNIC Prefixes per ASN: 19.35
LACNIC Region origin ASes announcing only one prefix: 314
LACNIC Region transit ASes present in the Internet Routing Table: 157
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 51751040
Equivalent to 3 /8s, 21 /16s and 168 /24s
Percentage of available LACNIC address space announced: 51.4

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3893
Total AfriNIC prefixes after maximum aggregation: 1197
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4182
Unique aggregates announced from the AfriNIC address blocks: 1862
AfriNIC Region origin ASes present in the Internet Routing Table: 240
AfriNIC Prefixes per ASN: 17.43
AfriNIC Region origin ASes announcing only one prefix: 74
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12279808
Equivalent to 0 /8s, 187 /16s and 96 /24s
Percentage of available AfriNIC address space announced: 36.6

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1547 387 87 Videsh Sanchar Nigam Ltd. Aut
9498 1165 549 61 BHARTI BT INTERNET LTD.
9583 1101 110 410 Sify Limited
17488 1084 71 76 Hathway IP Over Cable Interne
4766 849 6006 343 Korea Telecom (KIX)
4134 825 12917 323 CHINANET-BACKBONE
23577 817 34 698 Korea Telecom (ATM-MPLS)
18101 690 150 53 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 548 1919 421 Telstra Pty Ltd

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 1992 3087 178 bellsouth.net, inc.
4323 1462 1045 377 Time Warner Telecom
2386 1438 659 873 AT&T Data Communications Serv
7018 1377 5830 982 AT&T WorldNet Services
11492 1223 148 12 Cable One
7011 1076 298 603 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1022 510 105 AppliedTheory Corporation
6197 1006 597 507 BellSouth Network Solutions,
174 973 6837 806 Cogent Communications

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
3292 409 1772 368 TDC Tele Danmark
8452 347 188 7 TEDATA
3301 339 1460 307 TeliaNet Sweden
3320 317 7044 266 Deutsche Telekom AG
8866 298 77 21 Bulgarian Telecommunication C
5462 291 666 26 Telewest Broadband
3215 285 2718 94 France Telecom Transpac
8551 283 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
9155 267 46 11 QualityNet AS number

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 1233 2464 227 UniNet S.A. de C.V.
11830 603 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 464 228 69 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 414 85 46 ENTEL CHILE S.A.
11172 411 118 69 Servicios Alestra S.A de C.V
10620 392 100 63 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 338 23 89 NEWCOM AMERICAS

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
24863 472 61 28 LINKdotNET AS number
3741 288 853 223 The Internet Solution
20858 224 34 3 EgyNet
2018 189 173 83 Tertiary Education Network
5713 168 575 102 Telkom SA Ltd
6713 145 136 12 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 100 13 8 Ci Telecom Autonomous system
33776 100 6 3 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 1992 3087 178 bellsouth.net, inc.
4755 1547 387 87 Videsh Sanchar Nigam Ltd. Aut
4323 1462 1045 377 Time Warner Telecom
2386 1438 659 873 AT&T Data Communications Serv
7018 1377 5830 982 AT&T WorldNet Services
8151 1233 2464 227 UniNet S.A. de C.V.
11492 1223 148 12 Cable One
9498 1165 549 61 BHARTI BT INTERNET LTD.
9583 1101 110 410 Sify Limited
17488 1084 71 76 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
4755 1547 1460 Videsh Sanchar Nigam Ltd. Aut
11492 1223 1211 Cable One
9498 1165 1104 BHARTI BT INTERNET LTD.
4323 1462 1085 Time Warner Telecom
18566 1044 1034 Covad Communications
17488 1084 1008 Hathway IP Over Cable Interne
8151 1233 1006 UniNet S.A. de C.V.
1785 1022 917 AppliedTheory Corporation
22773 945 883 Cox Communications, Inc.
6478 948 797 AT&T Worldnet Services

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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

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 /9:9 /10:16 /11:42 /12:142
/13:280 /14:513 /15:1019 /16:9933 /17:4373 /18:7283
/19:15509 /20:17927 /21:17339 /22:21799 /23:22883 /24:135257
/25:800 /26:948 /27:490 /28:81 /29:9 /30:1
/31:0 /32:9

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

ASN No of nets Total ann. Description
6389 1227 1992 bellsouth.net, inc.
11492 1205 1223 Cable One
2386 1136 1438 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
7011 964 1076 Citizens Utilities
9583 955 1101 Sify Limited
6478 947 948 AT&T Worldnet Services
4755 936 1547 Videsh Sanchar Nigam Ltd. Aut
17488 897 1084 Hathway IP Over Cable Interne
9498 848 1165 BHARTI BT INTERNET LTD.

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

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

4:9 8:108 12:2048 13:1 15:20 16:3
17:5 18:13 20:35 24:1079 25:1 32:61
33:3 38:431 40:93 41:640 43:1 44:2
47:12 52:3 55:3 56:3 57:23 58:514
59:456 60:443 61:988 62:1115 63:1946 64:3337
65:2430 66:3668 67:1205 68:685 69:2253 70:629
71:125 72:1764 73:5 74:980 75:217 76:322
77:664 78:617 79:170 80:905 81:859 82:593
83:391 84:573 85:1007 86:421 87:671 88:325
89:1214 90:12 91:1264 92:187 93:502 96:32
97:21 98:178 99:3 114:17 116:657 117:331
118:142 119:430 120:45 121:524 122:772 123:344
124:832 125:1142 128:325 129:202 130:131 131:403
132:66 133:9 134:177 135:33 136:220 137:91
138:151 139:69 140:484 141:99 142:399 143:308
144:358 145:51 146:357 147:153 148:504 149:184
150:130 151:196 152:172 153:135 154:10 155:273
156:174 157:271 158:167 159:222 160:257 161:115
162:233 163:186 164:526 165:448 166:315 167:322
168:610 169:131 170:429 171:29 172:10 189:174
190:2025 192:5789 193:4094 194:3210 195:2451 196:1082
198:3746 199:3257 200:5628 201:1432 202:7586 203:7856
204:3989 205:2069 206:2400 207:2760 208:3360 209:3433
210:2516 211:1023 212:1394 213:1644 214:470 215:49
216:4363 217:1188 218:347 219:412 220:1081 221:462
222:308

End of report

cscora at apnic

Jun 6, 2008, 11:07 AM

Post #59 of 149 (7974 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 Jun, 2008

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

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

BGP routing table entries examined: 257029
Prefixes after maximum aggregation: 127846
Deaggregation factor: 2.01
Unique aggregates announced to Internet: 126093
Total ASes present in the Internet Routing Table: 28361
Prefixes per ASN: 9.06
Origin-only ASes present in the Internet Routing Table: 24725
Origin ASes announcing only one prefix: 11924
Transit ASes present in the Internet Routing Table: 3636
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 623
Unregistered ASNs in the Routing Table: 231
Number of 32-bit ASNs allocated by the RIRs: 49
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 783
Number of addresses announced to Internet: 1875474272
Equivalent to 111 /8s, 201 /16s and 119 /24s
Percentage of available address space announced: 50.6
Percentage of allocated address space announced: 61.4
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.1
Total number of prefixes smaller than registry allocations: 124322

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

Prefixes being announced by APNIC Region ASes: 58989
Total APNIC prefixes after maximum aggregation: 22099
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 55995
Unique aggregates announced from the APNIC address blocks: 24955
APNIC Region origin ASes present in the Internet Routing Table: 3265
APNIC Prefixes per ASN: 17.15
APNIC Region origin ASes announcing only one prefix: 858
APNIC Region transit ASes present in the Internet Routing Table: 505
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 351681440
Equivalent to 20 /8s, 246 /16s and 59 /24s
Percentage of available APNIC address space announced: 74.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 117708
Total ARIN prefixes after maximum aggregation: 64961
ARIN Deaggregation factor: 1.81
Prefixes being announced from the ARIN address blocks: 87645
Unique aggregates announced from the ARIN address blocks: 34442
ARIN Region origin ASes present in the Internet Routing Table: 12183
ARIN Prefixes per ASN: 7.19
ARIN Region origin ASes announcing only one prefix: 4716
ARIN Region transit ASes present in the Internet Routing Table: 1133
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356844800
Equivalent to 21 /8s, 69 /16s and 5 /24s
Percentage of available ARIN address space announced: 73.3

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 55629
Total RIPE prefixes after maximum aggregation: 33945
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50825
Unique aggregates announced from the RIPE address blocks: 34021
RIPE Region origin ASes present in the Internet Routing Table: 11418
RIPE Prefixes per ASN: 4.45
RIPE Region origin ASes announcing only one prefix: 5965
RIPE Region transit ASes present in the Internet Routing Table: 1730
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 360492160
Equivalent to 21 /8s, 124 /16s and 172 /24s
Percentage of available RIPE address space announced: 82.6

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20191
Total LACNIC prefixes after maximum aggregation: 5129
LACNIC Deaggregation factor: 3.94
Prefixes being announced from the LACNIC address blocks: 18426
Unique aggregates announced from the LACNIC address blocks: 10351
LACNIC Region origin ASes present in the Internet Routing Table: 953
LACNIC Prefixes per ASN: 19.33
LACNIC Region origin ASes announcing only one prefix: 306
LACNIC Region transit ASes present in the Internet Routing Table: 160
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 52306304
Equivalent to 3 /8s, 30 /16s and 33 /24s
Percentage of available LACNIC address space announced: 52.0

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3890
Total AfriNIC prefixes after maximum aggregation: 1194
AfriNIC Deaggregation factor: 3.26
Prefixes being announced from the AfriNIC address blocks: 4136
Unique aggregates announced from the AfriNIC address blocks: 1862
AfriNIC Region origin ASes present in the Internet Routing Table: 241
AfriNIC Prefixes per ASN: 17.16
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12314112
Equivalent to 0 /8s, 187 /16s and 230 /24s
Percentage of available AfriNIC address space announced: 36.7

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1642 387 89 Videsh Sanchar Nigam Ltd. Aut
9498 1174 550 61 BHARTI BT INTERNET LTD.
9583 1112 111 412 Sify Limited
17488 1078 71 94 Hathway IP Over Cable Interne
4766 849 6006 343 Korea Telecom (KIX)
4134 826 12917 324 CHINANET-BACKBONE
23577 817 34 700 Korea Telecom (ATM-MPLS)
18101 691 167 36 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 549 1919 422 Telstra Pty Ltd

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 2208 3103 182 bellsouth.net, inc.
4323 1471 1045 377 Time Warner Telecom
2386 1439 658 872 AT&T Data Communications Serv
7018 1372 5815 981 AT&T WorldNet Services
11492 1228 148 12 Cable One
7011 1051 291 584 Citizens Utilities
18566 1044 296 10 Covad Communications
20115 1039 1062 563 Charter Communications
1785 1028 510 105 AppliedTheory Corporation
174 979 6837 805 Cogent Communications

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
3292 410 1772 369 TDC Tele Danmark
3301 338 1460 308 TeliaNet Sweden
8452 327 188 7 TEDATA
3320 316 7043 265 Deutsche Telekom AG
8866 311 77 21 Bulgarian Telecommunication C
5462 291 666 26 Telewest Broadband
3215 287 2742 91 France Telecom Transpac
8551 283 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
9155 271 46 11 QualityNet AS number

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 1238 2464 227 UniNet S.A. de C.V.
11830 603 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 466 229 66 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 413 85 46 ENTEL CHILE S.A.
11172 412 118 69 Servicios Alestra S.A de C.V
10620 383 98 79 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 338 23 89 NEWCOM AMERICAS

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
24863 472 61 28 LINKdotNET AS number
3741 282 853 223 The Internet Solution
20858 224 34 3 EgyNet
2018 191 189 82 Tertiary Education Network
5713 163 558 99 Telkom SA Ltd
6713 145 136 12 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 103 13 8 Ci Telecom Autonomous system
33776 100 6 3 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 2208 3103 182 bellsouth.net, inc.
4755 1642 387 89 Videsh Sanchar Nigam Ltd. Aut
4323 1471 1045 377 Time Warner Telecom
2386 1439 658 872 AT&T Data Communications Serv
7018 1372 5815 981 AT&T WorldNet Services
8151 1238 2464 227 UniNet S.A. de C.V.
11492 1228 148 12 Cable One
9498 1174 550 61 BHARTI BT INTERNET LTD.
9583 1112 111 412 Sify Limited
17488 1078 71 94 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
4755 1642 1553 Videsh Sanchar Nigam Ltd. Aut
11492 1228 1216 Cable One
9498 1174 1113 BHARTI BT INTERNET LTD.
4323 1471 1094 Time Warner Telecom
18566 1044 1034 Covad Communications
8151 1238 1011 UniNet S.A. de C.V.
17488 1078 984 Hathway IP Over Cable Interne
1785 1028 923 AppliedTheory Corporation
22773 946 884 Cox Communications, Inc.
6478 951 799 AT&T Worldnet Services

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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

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 /9:9 /10:16 /11:42 /12:142
/13:279 /14:514 /15:1027 /16:9940 /17:4313 /18:7286
/19:15460 /20:17926 /21:17392 /22:21972 /23:22960 /24:135388
/25:805 /26:951 /27:488 /28:81 /29:9 /30:1
/31:0 /32:9

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

ASN No of nets Total ann. Description
6389 1356 2208 bellsouth.net, inc.
11492 1210 1228 Cable One
2386 1137 1439 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
4755 989 1642 Videsh Sanchar Nigam Ltd. Aut
9583 966 1112 Sify Limited
6478 950 951 AT&T Worldnet Services
7011 943 1051 Citizens Utilities
6298 941 956 Cox Communicatons
17488 904 1078 Hathway IP Over Cable Interne

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

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

4:9 8:109 12:2058 13:1 15:22 16:3
17:5 18:13 20:35 24:1077 25:1 32:62
33:3 38:436 40:93 41:642 43:1 44:2
47:12 52:3 55:4 56:3 57:23 58:514
59:478 60:442 61:996 62:1116 63:1946 64:3324
65:2424 66:3692 67:1209 68:695 69:2245 70:676
71:126 72:1815 73:5 74:994 75:220 76:297
77:704 78:696 79:187 80:909 81:843 82:569
83:390 84:568 85:1019 86:421 87:677 88:314
89:1251 90:11 91:1283 92:180 93:517 96:32
97:23 98:191 99:3 111:1 114:20 116:661
117:327 118:141 119:445 120:57 121:532 122:780
123:340 124:847 125:1139 128:324 129:202 130:131
131:402 132:66 133:9 134:177 135:33 136:219
137:91 138:152 139:71 140:497 141:99 142:401
143:324 144:351 145:51 146:364 147:153 148:506
149:191 150:130 151:193 152:141 153:135 154:10
155:249 156:174 157:272 158:168 159:221 160:256
161:114 162:231 163:187 164:525 165:446 166:317
167:328 168:612 169:131 170:428 171:29 172:10
189:189 190:2068 192:5804 193:4100 194:3209 195:2464
196:1071 198:3748 199:3259 200:5577 201:1420 202:7617
203:7893 204:3973 205:2087 206:2397 207:2749 208:3353
209:3441 210:2520 211:1023 212:1393 213:1623 214:164
215:49 216:4372 217:1188 218:346 219:414 220:1077
221:464 222:306

End of report

cscora at apnic

Jun 13, 2008, 11:08 AM

Post #60 of 149 (7921 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 Jun, 2008

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

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

BGP routing table entries examined: 259901
Prefixes after maximum aggregation: 128080
Deaggregation factor: 2.03
Unique aggregates announced to Internet: 126786
Total ASes present in the Internet Routing Table: 28442
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 24790
Origin ASes announcing only one prefix: 11978
Transit ASes present in the Internet Routing Table: 3652
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 623
Unregistered ASNs in the Routing Table: 229
Number of 32-bit ASNs allocated by the RIRs: 48
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 780
Number of addresses announced to Internet: 1858706912
Equivalent to 110 /8s, 201 /16s and 157 /24s
Percentage of available address space announced: 50.1
Percentage of allocated address space announced: 60.9
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.2
Total number of prefixes smaller than registry allocations: 126226

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

Prefixes being announced by APNIC Region ASes: 59132
Total APNIC prefixes after maximum aggregation: 22129
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 56160
Unique aggregates announced from the APNIC address blocks: 25128
APNIC Region origin ASes present in the Internet Routing Table: 3275
APNIC Prefixes per ASN: 17.15
APNIC Region origin ASes announcing only one prefix: 869
APNIC Region transit ASes present in the Internet Routing Table: 508
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 352137632
Equivalent to 20 /8s, 253 /16s and 49 /24s
Percentage of available APNIC address space announced: 75.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 120109
Total ARIN prefixes after maximum aggregation: 65072
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 89906
Unique aggregates announced from the ARIN address blocks: 34679
ARIN Region origin ASes present in the Internet Routing Table: 12213
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4736
ARIN Region transit ASes present in the Internet Routing Table: 1147
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356411552
Equivalent to 21 /8s, 62 /16s and 104 /24s
Percentage of available ARIN address space announced: 73.3

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 55926
Total RIPE prefixes after maximum aggregation: 34008
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51103
Unique aggregates announced from the RIPE address blocks: 34277
RIPE Region origin ASes present in the Internet Routing Table: 11456
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 5988
RIPE Region transit ASes present in the Internet Routing Table: 1725
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 360988032
Equivalent to 21 /8s, 132 /16s and 61 /24s
Percentage of available RIPE address space announced: 82.8

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20218
Total LACNIC prefixes after maximum aggregation: 5155
LACNIC Deaggregation factor: 3.92
Prefixes being announced from the LACNIC address blocks: 18456
Unique aggregates announced from the LACNIC address blocks: 10363
LACNIC Region origin ASes present in the Internet Routing Table: 954
LACNIC Prefixes per ASN: 19.35
LACNIC Region origin ASes announcing only one prefix: 305
LACNIC Region transit ASes present in the Internet Routing Table: 160
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 52287232
Equivalent to 3 /8s, 29 /16s and 215 /24s
Percentage of available LACNIC address space announced: 51.9

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3895
Total AfriNIC prefixes after maximum aggregation: 1200
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4168
Unique aggregates announced from the AfriNIC address blocks: 1875
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.15
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 47
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12316160
Equivalent to 0 /8s, 187 /16s and 238 /24s
Percentage of available AfriNIC address space announced: 36.7

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1618 387 89 Videsh Sanchar Nigam Ltd. Aut
9498 1181 550 62 BHARTI BT INTERNET LTD.
17488 1120 78 76 Hathway IP Over Cable Interne
9583 1116 110 450 Sify Limited
4766 850 6006 343 Korea Telecom (KIX)
4134 824 12915 321 CHINANET-BACKBONE
23577 820 34 702 Korea Telecom (ATM-MPLS)
18101 693 167 36 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 550 1919 423 Telstra Pty Ltd

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
209 3009 3874 620 Qwest
6389 2355 3138 188 bellsouth.net, inc.
4323 1469 1045 378 Time Warner Telecom
2386 1453 660 875 AT&T Data Communications Serv
7018 1370 5810 980 AT&T WorldNet Services
11492 1228 148 12 Cable One
1785 1066 510 105 AppliedTheory Corporation
18566 1044 296 10 Covad Communications
20115 1040 1062 564 Charter Communications
7011 1034 289 569 Citizens Utilities

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
3292 412 1772 371 TDC Tele Danmark
8452 347 188 7 TEDATA
3301 338 1460 308 TeliaNet Sweden
8866 319 77 21 Bulgarian Telecommunication C
3320 315 7045 265 Deutsche Telekom AG
3215 285 2742 89 France Telecom Transpac
8551 283 269 38 Bezeq International
5462 275 666 27 Telewest Broadband
680 274 2047 264 DFN-IP service G-WiN
9155 268 45 10 QualityNet AS number

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 1245 2464 227 UniNet S.A. de C.V.
11830 603 299 9 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
7303 468 229 66 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 413 85 46 ENTEL CHILE S.A.
11172 411 118 69 Servicios Alestra S.A de C.V
10620 392 100 71 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 340 24 92 NEWCOM AMERICAS

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
24863 475 61 30 LINKdotNET AS number
3741 282 853 223 The Internet Solution
20858 220 34 3 EgyNet
2018 192 189 82 Tertiary Education Network
5713 163 558 99 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 103 13 8 Ci Telecom Autonomous system
33776 100 6 3 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
209 3009 3874 620 Qwest
6389 2355 3138 188 bellsouth.net, inc.
4755 1618 387 89 Videsh Sanchar Nigam Ltd. Aut
4323 1469 1045 378 Time Warner Telecom
2386 1453 660 875 AT&T Data Communications Serv
7018 1370 5810 980 AT&T WorldNet Services
8151 1245 2464 227 UniNet S.A. de C.V.
11492 1228 148 12 Cable One
9498 1181 550 62 BHARTI BT INTERNET LTD.
17488 1120 78 76 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
6389 2355 2167 bellsouth.net, inc.
4755 1618 1529 Videsh Sanchar Nigam Ltd. Aut
11492 1228 1216 Cable One
9498 1181 1119 BHARTI BT INTERNET LTD.
4323 1469 1091 Time Warner Telecom
17488 1120 1044 Hathway IP Over Cable Interne
18566 1044 1034 Covad Communications
8151 1245 1018 UniNet S.A. de C.V.
1785 1066 961 AppliedTheory Corporation
22773 957 895 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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio

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 /8:18 /9:9 /10:16 /11:42 /12:142
/13:279 /14:514 /15:1028 /16:9958 /17:4337 /18:7359
/19:15676 /20:18305 /21:17924 /22:22319 /23:23253 /24:135965
/25:841 /26:1035 /27:782 /28:81 /29:10 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
209 1764 3009 Qwest
6389 1452 2355 bellsouth.net, inc.
11492 1210 1228 Cable One
2386 1150 1453 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
4755 973 1618 Videsh Sanchar Nigam Ltd. Aut
9583 971 1116 Sify Limited
6298 946 961 Cox Communicatons
6478 941 942 AT&T Worldnet Services
17488 932 1120 Hathway IP Over Cable Interne

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

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

4:9 8:114 12:2049 13:1 15:22 16:3
17:5 18:13 20:35 24:1075 25:1 32:61
33:3 38:440 40:92 41:645 43:1 44:2
47:12 52:3 55:4 56:3 57:23 58:458
59:475 60:443 61:991 62:1100 63:2030 64:3275
65:2419 66:3636 67:1211 68:695 69:2273 70:679
71:126 72:1815 73:5 74:1002 75:220 76:299
77:727 78:706 79:194 80:914 81:849 82:563
83:392 84:565 85:1011 86:422 87:694 88:313
89:1257 90:12 91:1267 92:186 93:574 94:16
96:34 97:23 98:200 99:3 100:1 111:1
112:1 113:1 114:34 116:695 117:326 118:143
119:460 120:59 121:525 122:781 123:346 124:850
125:1137 128:331 129:204 130:130 131:401 132:67
133:9 134:177 135:33 136:218 137:91 138:151
139:78 140:498 141:99 142:403 143:335 144:356
145:51 146:363 147:154 148:505 149:191 150:130
151:193 152:143 153:136 154:10 155:273 156:174
157:273 158:168 159:239 160:266 161:105 162:232
163:184 164:530 165:447 166:316 167:328 168:615
169:138 170:429 171:29 172:10 189:196 190:2103
192:5792 193:4094 194:3200 195:2488 196:1065 198:3740
199:3273 200:5541 201:1441 202:7631 203:7925 204:3986
205:2122 206:2412 207:2795 208:3365 209:3477 210:2520
211:1018 212:1399 213:1662 214:163 215:48 216:4426
217:1196 218:348 219:416 220:1083 221:469 222:308

End of report

cscora at apnic

Jun 20, 2008, 11:08 AM

Post #61 of 149 (7870 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 Jun, 2008

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

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

BGP routing table entries examined: 260459
Prefixes after maximum aggregation: 128122
Deaggregation factor: 2.03
Unique aggregates announced to Internet: 126833
Total ASes present in the Internet Routing Table: 28517
Prefixes per ASN: 9.13
Origin-only ASes present in the Internet Routing Table: 24858
Origin ASes announcing only one prefix: 12026
Transit ASes present in the Internet Routing Table: 3659
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 618
Unregistered ASNs in the Routing Table: 225
Number of 32-bit ASNs allocated by the RIRs: 47
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 777
Number of addresses announced to Internet: 1862946912
Equivalent to 111 /8s, 10 /16s and 80 /24s
Percentage of available address space announced: 50.3
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.3
Total number of prefixes smaller than registry allocations: 126692

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

Prefixes being announced by APNIC Region ASes: 59314
Total APNIC prefixes after maximum aggregation: 22110
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 56332
Unique aggregates announced from the APNIC address blocks: 24955
APNIC Region origin ASes present in the Internet Routing Table: 3277
APNIC Prefixes per ASN: 17.19
APNIC Region origin ASes announcing only one prefix: 873
APNIC Region transit ASes present in the Internet Routing Table: 512
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 356094240
Equivalent to 21 /8s, 57 /16s and 145 /24s
Percentage of available APNIC address space announced: 75.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 120010
Total ARIN prefixes after maximum aggregation: 65020
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 89707
Unique aggregates announced from the ARIN address blocks: 34758
ARIN Region origin ASes present in the Internet Routing Table: 12231
ARIN Prefixes per ASN: 7.33
ARIN Region origin ASes announcing only one prefix: 4734
ARIN Region transit ASes present in the Internet Routing Table: 1142
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356059296
Equivalent to 21 /8s, 57 /16s and 8 /24s
Percentage of available ARIN address space announced: 73.2

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 56169
Total RIPE prefixes after maximum aggregation: 34107
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51378
Unique aggregates announced from the RIPE address blocks: 34372
RIPE Region origin ASes present in the Internet Routing Table: 11510
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 6031
RIPE Region transit ASes present in the Internet Routing Table: 1735
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 361394560
Equivalent to 21 /8s, 138 /16s and 113 /24s
Percentage of available RIPE address space announced: 82.8

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20280
Total LACNIC prefixes after maximum aggregation: 5171
LACNIC Deaggregation factor: 3.92
Prefixes being announced from the LACNIC address blocks: 18502
Unique aggregates announced from the LACNIC address blocks: 10386
LACNIC Region origin ASes present in the Internet Routing Table: 958
LACNIC Prefixes per ASN: 19.31
LACNIC Region origin ASes announcing only one prefix: 310
LACNIC Region transit ASes present in the Internet Routing Table: 162
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 52542464
Equivalent to 3 /8s, 33 /16s and 188 /24s
Percentage of available LACNIC address space announced: 52.2

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4071
Total AfriNIC prefixes after maximum aggregation: 1202
AfriNIC Deaggregation factor: 3.39
Prefixes being announced from the AfriNIC address blocks: 4340
Unique aggregates announced from the AfriNIC address blocks: 1891
AfriNIC Region origin ASes present in the Internet Routing Table: 241
AfriNIC Prefixes per ASN: 18.01
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12221440
Equivalent to 0 /8s, 186 /16s and 124 /24s
Percentage of available AfriNIC address space announced: 36.4

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1649 387 89 Videsh Sanchar Nigam Ltd. Aut
9498 1183 550 62 BHARTI BT INTERNET LTD.
17488 1156 80 79 Hathway IP Over Cable Interne
9583 1138 112 415 Sify Limited
4766 846 6006 342 Korea Telecom (KIX)
23577 831 35 706 Korea Telecom (ATM-MPLS)
4134 824 12915 321 CHINANET-BACKBONE
18101 696 168 35 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 551 1919 424 Telstra Pty Ltd

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
209 3012 3874 620 Qwest
6389 2446 3138 190 bellsouth.net, inc.
2386 1493 663 874 AT&T Data Communications Serv
4323 1459 1044 376 Time Warner Telecom
7018 1397 5824 977 AT&T WorldNet Services
11492 1229 149 12 Cable One
1785 1077 510 104 AppliedTheory Corporation
18566 1045 296 10 Covad Communications
20115 1042 1064 565 Charter Communications
7011 1026 288 561 Citizens Utilities

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
3292 414 1773 372 TDC Tele Danmark
8452 344 188 11 TEDATA
3301 335 1460 305 TeliaNet Sweden
8866 319 77 21 Bulgarian Telecommunication C
3320 316 7045 266 Deutsche Telekom AG
5462 292 666 27 Telewest Broadband
3215 286 2742 89 France Telecom Transpac
8551 283 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
8708 266 421 250 Romania Data Systems S.A.

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 1246 2464 227 UniNet S.A. de C.V.
11830 603 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 467 230 69 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 412 85 46 ENTEL CHILE S.A.
11172 410 118 70 Servicios Alestra S.A de C.V
10620 394 101 72 TVCABLE BOGOTA
14117 374 23 9 Telefonica del Sur S.A.
20299 333 23 97 NEWCOM AMERICAS

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
24863 475 61 30 LINKdotNET AS number
20858 391 34 3 EgyNet
3741 283 853 224 The Internet Solution
2018 201 205 85 Tertiary Education Network
5713 153 541 92 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 102 13 8 Ci Telecom Autonomous system
33776 100 6 3 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
209 3012 3874 620 Qwest
6389 2446 3138 190 bellsouth.net, inc.
4755 1649 387 89 Videsh Sanchar Nigam Ltd. Aut
2386 1493 663 874 AT&T Data Communications Serv
4323 1459 1044 376 Time Warner Telecom
7018 1397 5824 977 AT&T WorldNet Services
8151 1246 2464 227 UniNet S.A. de C.V.
11492 1229 149 12 Cable One
9498 1183 550 62 BHARTI BT INTERNET LTD.
17488 1156 80 79 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
6389 2446 2256 bellsouth.net, inc.
4755 1649 1560 Videsh Sanchar Nigam Ltd. Aut
11492 1229 1217 Cable One
9498 1183 1121 BHARTI BT INTERNET LTD.
4323 1459 1083 Time Warner Telecom
17488 1156 1077 Hathway IP Over Cable Interne
18566 1045 1035 Covad Communications
8151 1246 1019 UniNet S.A. de C.V.
1785 1077 973 AppliedTheory Corporation
22773 963 901 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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
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 /8:18 /9:9 /10:16 /11:43 /12:143
/13:280 /14:514 /15:1031 /16:9961 /17:4344 /18:7371
/19:15700 /20:18330 /21:17995 /22:22352 /23:23272 /24:136306
/25:865 /26:1032 /27:778 /28:82 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
209 1768 3012 Qwest
6389 1510 2446 bellsouth.net, inc.
11492 1210 1229 Cable One
2386 1189 1493 AT&T Data Communications Serv
18566 1026 1045 Covad Communications
4755 994 1649 Videsh Sanchar Nigam Ltd. Aut
9583 988 1138 Sify Limited
6298 974 989 Cox Communicatons
17488 968 1156 Hathway IP Over Cable Interne
6478 948 957 AT&T Worldnet Services

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

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

4:7 8:119 12:2063 13:1 15:22 16:3
17:5 18:13 20:35 24:1076 25:1 32:61
38:445 40:92 41:643 43:1 44:2 47:12
52:3 55:3 56:3 57:23 58:464 59:487
60:442 61:990 62:1221 63:2033 64:3296 65:2411
66:3582 67:1216 68:694 69:2272 70:679 71:121
72:1821 73:5 74:1016 75:157 76:297 77:732
78:726 79:193 80:957 81:846 82:596 83:398
84:578 85:1018 86:423 87:694 88:329 89:1268
90:14 91:1286 92:202 93:581 94:51 96:36
97:25 98:167 99:3 112:1 113:1 114:38
116:724 117:327 118:149 119:446 120:61 121:547
122:782 123:349 124:862 125:1134 128:362 129:202
130:131 131:408 132:67 133:9 134:177 135:33
136:219 137:86 138:146 139:78 140:491 141:99
142:419 143:315 144:356 145:51 146:363 147:155
148:507 149:194 150:130 151:193 152:143 153:135
154:10 155:277 156:177 157:273 158:168 159:242
160:266 161:114 162:234 163:187 164:522 165:446
166:319 167:325 168:618 169:138 170:428 171:29
172:10 189:210 190:2119 192:5795 193:4101 194:3204
195:2505 196:1075 198:3739 199:3271 200:5528 201:1471
202:7613 203:7932 204:3975 205:2110 206:2392 207:2767
208:3373 209:3491 210:2520 211:1012 212:1413 213:1652
214:149 215:49 216:4397 217:1198 218:346 219:415
220:1071 221:471 222:309

End of report

cscora at apnic

Jun 27, 2008, 11:08 AM

Post #62 of 149 (7790 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 Jun, 2008

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

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

BGP routing table entries examined: 261031
Prefixes after maximum aggregation: 128186
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 127105
Total ASes present in the Internet Routing Table: 28561
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 24896
Origin ASes announcing only one prefix: 12051
Transit ASes present in the Internet Routing Table: 3665
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 612
Unregistered ASNs in the Routing Table: 221
Number of 32-bit ASNs allocated by the RIRs: 48
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 778
Number of addresses announced to Internet: 1864217696
Equivalent to 111 /8s, 29 /16s and 180 /24s
Percentage of available address space announced: 50.3
Percentage of allocated address space announced: 61.1
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.4
Total number of prefixes smaller than registry allocations: 127006

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

Prefixes being announced by APNIC Region ASes: 59718
Total APNIC prefixes after maximum aggregation: 22124
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 56731
Unique aggregates announced from the APNIC address blocks: 25012
APNIC Region origin ASes present in the Internet Routing Table: 3284
APNIC Prefixes per ASN: 17.27
APNIC Region origin ASes announcing only one prefix: 878
APNIC Region transit ASes present in the Internet Routing Table: 512
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 359769888
Equivalent to 21 /8s, 113 /16s and 167 /24s
Percentage of available APNIC address space announced: 76.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 119970
Total ARIN prefixes after maximum aggregation: 64949
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 89671
Unique aggregates announced from the ARIN address blocks: 34705
ARIN Region origin ASes present in the Internet Routing Table: 12240
ARIN Prefixes per ASN: 7.33
ARIN Region origin ASes announcing only one prefix: 4741
ARIN Region transit ASes present in the Internet Routing Table: 1144
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 353360032
Equivalent to 21 /8s, 15 /16s and 216 /24s
Percentage of available ARIN address space announced: 72.6

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 56335
Total RIPE prefixes after maximum aggregation: 34205
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51535
Unique aggregates announced from the RIPE address blocks: 34513
RIPE Region origin ASes present in the Internet Routing Table: 11539
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6041
RIPE Region transit ASes present in the Internet Routing Table: 1742
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 361948800
Equivalent to 21 /8s, 146 /16s and 230 /24s
Percentage of available RIPE address space announced: 83.0

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20337
Total LACNIC prefixes after maximum aggregation: 5198
LACNIC Deaggregation factor: 3.91
Prefixes being announced from the LACNIC address blocks: 18584
Unique aggregates announced from the LACNIC address blocks: 10491
LACNIC Region origin ASes present in the Internet Routing Table: 960
LACNIC Prefixes per ASN: 19.36
LACNIC Region origin ASes announcing only one prefix: 315
LACNIC Region transit ASes present in the Internet Routing Table: 160
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 52687360
Equivalent to 3 /8s, 35 /16s and 242 /24s
Percentage of available LACNIC address space announced: 52.3

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4062
Total AfriNIC prefixes after maximum aggregation: 1204
AfriNIC Deaggregation factor: 3.37
Prefixes being announced from the AfriNIC address blocks: 4339
Unique aggregates announced from the AfriNIC address blocks: 1880
AfriNIC Region origin ASes present in the Internet Routing Table: 240
AfriNIC Prefixes per ASN: 18.08
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 47
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12233216
Equivalent to 0 /8s, 186 /16s and 170 /24s
Percentage of available AfriNIC address space announced: 36.5

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1668 387 90 Videsh Sanchar Nigam Ltd. Aut
17488 1188 82 91 Hathway IP Over Cable Interne
9583 1163 111 420 Sify Limited
9498 1078 550 62 BHARTI BT INTERNET LTD.
4766 846 6006 343 Korea Telecom (KIX)
4134 829 12995 328 CHINANET-BACKBONE
23577 824 35 704 Korea Telecom (ATM-MPLS)
4780 704 351 63 Digital United Inc.
18101 688 167 35 Reliance Infocom Ltd Internet
9829 598 450 12 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
209 3013 3874 622 Qwest
6389 2671 3260 199 bellsouth.net, inc.
2386 1496 663 877 AT&T Data Communications Serv
4323 1469 1044 376 Time Warner Telecom
7018 1395 5822 976 AT&T WorldNet Services
11492 1231 150 12 Cable One
1785 1080 510 104 AppliedTheory Corporation
20115 1048 1068 561 Charter Communications
18566 1045 296 10 Covad Communications
7011 1015 287 554 Citizens Utilities

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
3292 414 1788 372 TDC Tele Danmark
8452 344 188 11 TEDATA
3301 335 1460 305 TeliaNet Sweden
3320 319 7046 268 Deutsche Telekom AG
8866 319 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 287 269 38 Bezeq International
3215 286 2742 89 France Telecom Transpac
680 274 2047 264 DFN-IP service G-WiN
6746 268 126 243 Dynamic Network Technologies,

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 1273 2464 227 UniNet S.A. de C.V.
11830 604 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 469 231 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 411 85 48 ENTEL CHILE S.A.
11172 408 118 70 Servicios Alestra S.A de C.V
10620 397 101 68 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 334 23 98 NEWCOM AMERICAS

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
24863 475 61 30 LINKdotNET AS number
20858 397 34 3 EgyNet
3741 273 853 224 The Internet Solution
2018 201 205 85 Tertiary Education Network
5713 156 558 94 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 133 9 17 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 102 13 8 Ci Telecom Autonomous system
33776 100 6 3 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
209 3013 3874 622 Qwest
6389 2671 3260 199 bellsouth.net, inc.
4755 1668 387 90 Videsh Sanchar Nigam Ltd. Aut
2386 1496 663 877 AT&T Data Communications Serv
4323 1469 1044 376 Time Warner Telecom
7018 1395 5822 976 AT&T WorldNet Services
8151 1273 2464 227 UniNet S.A. de C.V.
11492 1231 150 12 Cable One
17488 1188 82 91 Hathway IP Over Cable Interne
9583 1163 111 420 Sify Limited

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

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

ASN No of nets Net Savings Description
6389 2671 2472 bellsouth.net, inc.
4755 1668 1578 Videsh Sanchar Nigam Ltd. Aut
11492 1231 1219 Cable One
17488 1188 1097 Hathway IP Over Cable Interne
4323 1469 1093 Time Warner Telecom
8151 1273 1046 UniNet S.A. de C.V.
18566 1045 1035 Covad Communications
9498 1078 1016 BHARTI BT INTERNET LTD.
1785 1080 976 AppliedTheory Corporation
22773 966 904 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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.23.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet 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 /8:18 /9:9 /10:16 /11:44 /12:143
/13:281 /14:514 /15:1037 /16:9958 /17:4325 /18:7368
/19:15727 /20:18361 /21:17999 /22:22360 /23:23307 /24:136792
/25:859 /26:1032 /27:783 /28:81 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
209 1769 3013 Qwest
6389 1670 2671 bellsouth.net, inc.
11492 1211 1231 Cable One
2386 1191 1496 AT&T Data Communications Serv
18566 1026 1045 Covad Communications
9583 1013 1163 Sify Limited
4755 1009 1668 Videsh Sanchar Nigam Ltd. Aut
17488 1002 1188 Hathway IP Over Cable Interne
6298 976 991 Cox Communicatons
6478 947 956 AT&T Worldnet Services

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

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

4:7 8:118 12:2060 13:2 15:22 16:3
17:5 18:13 20:35 24:1071 25:1 32:62
38:446 40:92 41:651 43:1 44:2 47:6
52:3 55:3 56:3 57:24 58:501 59:501
60:448 61:1001 62:1188 63:2031 64:3288 65:2386
66:3533 67:1229 68:694 69:2278 70:681 71:121
72:1821 73:5 74:1028 75:159 76:299 77:738
78:710 79:199 80:950 81:848 82:612 83:393
84:577 85:1024 86:417 87:701 88:335 89:1285
90:14 91:1301 92:205 93:590 94:52 96:37
97:27 98:168 99:3 112:1 113:1 114:58
116:762 117:329 118:182 119:446 120:49 121:554
122:793 123:360 124:858 125:1153 128:362 129:202
130:131 131:409 132:67 133:9 134:177 135:33
136:220 137:87 138:145 139:93 140:489 141:99
142:415 143:311 144:365 145:51 146:364 147:154
148:511 149:197 150:120 151:191 152:131 153:136
154:10 155:277 156:174 157:277 158:186 159:240
160:276 161:114 162:239 163:187 164:523 165:449
166:319 167:327 168:620 169:136 170:428 171:30
172:10 189:242 190:2141 192:5787 193:4104 194:3221
195:2511 196:1048 198:3730 199:3274 200:5545 201:1456
202:7622 203:8020 204:3970 205:2131 206:2391 207:2772
208:3388 209:3520 210:2571 211:1051 212:1430 213:1631
214:148 215:49 216:4396 217:1199 218:339 219:412
220:1068 221:471 222:309

End of report

cscora at apnic

Jul 4, 2008, 11:07 AM

Post #63 of 149 (7706 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 Jul, 2008

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

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

BGP routing table entries examined: 262004
Prefixes after maximum aggregation: 128698
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 127630
Total ASes present in the Internet Routing Table: 28612
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 24946
Origin ASes announcing only one prefix: 12067
Transit ASes present in the Internet Routing Table: 3666
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 602
Unregistered ASNs in the Routing Table: 219
Number of 32-bit ASNs allocated by the RIRs: 48
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 782
Number of addresses announced to Internet: 1870051040
Equivalent to 111 /8s, 118 /16s and 182 /24s
Percentage of available address space announced: 50.5
Percentage of allocated address space announced: 61.3
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.5
Total number of prefixes smaller than registry allocations: 127674

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

Prefixes being announced by APNIC Region ASes: 59872
Total APNIC prefixes after maximum aggregation: 22374
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 56863
Unique aggregates announced from the APNIC address blocks: 25353
APNIC Region origin ASes present in the Internet Routing Table: 3294
APNIC Prefixes per ASN: 17.26
APNIC Region origin ASes announcing only one prefix: 874
APNIC Region transit ASes present in the Internet Routing Table: 510
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 361818656
Equivalent to 21 /8s, 144 /16s and 234 /24s
Percentage of available APNIC address space announced: 77.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 120497
Total ARIN prefixes after maximum aggregation: 65111
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 90125
Unique aggregates announced from the ARIN address blocks: 34734
ARIN Region origin ASes present in the Internet Routing Table: 12250
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4735
ARIN Region transit ASes present in the Internet Routing Table: 1147
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 353744160
Equivalent to 21 /8s, 21 /16s and 181 /24s
Percentage of available ARIN address space announced: 72.7

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 56354
Total RIPE prefixes after maximum aggregation: 34296
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51567
Unique aggregates announced from the RIPE address blocks: 34588
RIPE Region origin ASes present in the Internet Routing Table: 11569
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 6068
RIPE Region transit ASes present in the Internet Routing Table: 1748
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 364791936
Equivalent to 21 /8s, 190 /16s and 72 /24s
Percentage of available RIPE address space announced: 83.6

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20593
Total LACNIC prefixes after maximum aggregation: 5225
LACNIC Deaggregation factor: 3.94
Prefixes being announced from the LACNIC address blocks: 18745
Unique aggregates announced from the LACNIC address blocks: 10567
LACNIC Region origin ASes present in the Internet Routing Table: 963
LACNIC Prefixes per ASN: 19.47
LACNIC Region origin ASes announcing only one prefix: 313
LACNIC Region transit ASes present in the Internet Routing Table: 160
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 52976384
Equivalent to 3 /8s, 40 /16s and 91 /24s
Percentage of available LACNIC address space announced: 52.6

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4089
Total AfriNIC prefixes after maximum aggregation: 1202
AfriNIC Deaggregation factor: 3.40
Prefixes being announced from the AfriNIC address blocks: 4368
Unique aggregates announced from the AfriNIC address blocks: 1885
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.98
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12239104
Equivalent to 0 /8s, 186 /16s and 193 /24s
Percentage of available AfriNIC address space announced: 36.5

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1664 341 173 Videsh Sanchar Nigam Ltd. Aut
17488 1188 82 91 Hathway IP Over Cable Interne
9583 1144 85 465 Sify Limited
9498 1093 550 63 BHARTI BT INTERNET LTD.
4766 847 6006 344 Korea Telecom (KIX)
4134 828 13427 331 CHINANET-BACKBONE
23577 825 35 705 Korea Telecom (ATM-MPLS)
4780 704 351 63 Digital United Inc.
18101 691 167 33 Reliance Infocom Ltd Internet
9829 599 450 12 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
209 3006 3874 622 Qwest
6389 2668 3260 197 bellsouth.net, inc.
2386 1481 663 876 AT&T Data Communications Serv
4323 1469 1045 377 Time Warner Telecom
7018 1398 5823 978 AT&T WorldNet Services
6298 1304 185 750 Cox Communicatons
11492 1229 150 12 Cable One
1785 1084 510 104 AppliedTheory Corporation
18566 1045 296 10 Covad Communications
20115 1045 1060 558 Charter Communications

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
3292 414 1792 372 TDC Tele Danmark
8452 347 188 11 TEDATA
3301 334 1460 304 TeliaNet Sweden
3320 322 7047 270 Deutsche Telekom AG
8866 319 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
3215 287 2758 90 France Telecom Transpac
8551 287 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
6746 268 126 243 Dynamic Network Technologies,

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 1295 2464 224 UniNet S.A. de C.V.
11830 604 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 469 231 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 410 85 48 ENTEL CHILE S.A.
11172 410 118 70 Servicios Alestra S.A de C.V
10620 401 105 73 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 335 23 98 NEWCOM AMERICAS

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
24863 475 61 30 LINKdotNET AS number
20858 398 34 3 EgyNet
3741 274 853 225 The Internet Solution
2018 201 205 85 Tertiary Education Network
5713 155 558 93 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
29571 102 13 8 Ci Telecom Autonomous system
33776 100 6 3 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
209 3006 3874 622 Qwest
6389 2668 3260 197 bellsouth.net, inc.
4755 1664 341 173 Videsh Sanchar Nigam Ltd. Aut
2386 1481 663 876 AT&T Data Communications Serv
4323 1469 1045 377 Time Warner Telecom
7018 1398 5823 978 AT&T WorldNet Services
6298 1304 185 750 Cox Communicatons
8151 1295 2464 224 UniNet S.A. de C.V.
11492 1229 150 12 Cable One
17488 1188 82 91 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
6389 2668 2471 bellsouth.net, inc.
4755 1664 1491 Videsh Sanchar Nigam Ltd. Aut
11492 1229 1217 Cable One
17488 1188 1097 Hathway IP Over Cable Interne
4323 1469 1092 Time Warner Telecom
8151 1295 1071 UniNet S.A. de C.V.
18566 1045 1035 Covad Communications
9498 1093 1030 BHARTI BT INTERNET LTD.
1785 1084 980 AppliedTheory Corporation
22773 966 904 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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.23.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet 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 /8:18 /9:9 /10:16 /11:45 /12:144
/13:282 /14:514 /15:1040 /16:9974 /17:4341 /18:7404
/19:15773 /20:18426 /21:18088 /22:22540 /23:23453 /24:137131
/25:865 /26:1046 /27:790 /28:88 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
209 1762 3006 Qwest
6389 1670 2668 bellsouth.net, inc.
6298 1289 1304 Cox Communicatons
11492 1209 1229 Cable One
2386 1177 1481 AT&T Data Communications Serv
18566 1026 1045 Covad Communications
4755 1013 1664 Videsh Sanchar Nigam Ltd. Aut
17488 1002 1188 Hathway IP Over Cable Interne
9583 999 1144 Sify Limited
6478 976 985 AT&T Worldnet Services

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

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

4:7 8:119 12:2082 13:2 15:22 16:3
17:5 18:13 20:35 24:1078 25:1 32:62
38:443 40:92 41:654 43:1 44:2 47:12
52:3 55:3 56:3 57:26 58:501 59:504
60:450 61:1002 62:1188 63:2026 64:3289 65:2375
66:3539 67:1228 68:712 69:2263 70:737 71:119
72:1899 73:5 74:1035 75:160 76:302 77:724
78:718 79:189 80:958 81:845 82:612 83:391
84:558 85:964 86:411 87:686 88:335 89:1296
90:14 91:1304 92:213 93:616 94:56 96:39
97:27 98:204 99:3 112:1 113:1 114:71
116:760 117:319 118:187 119:454 120:51 121:557
122:794 123:361 124:865 125:1146 128:362 129:201
130:132 131:410 132:65 133:9 134:177 135:33
136:220 137:87 138:146 139:94 140:488 141:98
142:415 143:309 144:366 145:51 146:363 147:158
148:519 149:198 150:130 151:190 152:141 153:136
154:10 155:277 156:174 157:291 158:185 159:240
160:279 161:114 162:221 163:187 164:523 165:450
166:318 167:329 168:629 169:137 170:428 171:30
172:10 188:1 189:253 190:2166 192:5793 193:4102
194:3221 195:2528 196:1066 198:3729 199:3271 200:5574
201:1469 202:7601 203:8021 204:3974 205:2126 206:2388
207:2765 208:3407 209:3516 210:2577 211:1069 212:1433
213:1629 214:154 215:49 216:4401 217:1198 218:345
219:417 220:1054 221:465 222:307

End of report

cscora at apnic

Jul 11, 2008, 11:07 AM

Post #64 of 149 (7632 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 Jul, 2008

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

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

BGP routing table entries examined: 262262
Prefixes after maximum aggregation: 128798
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 128001
Total ASes present in the Internet Routing Table: 28650
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 24985
Origin ASes announcing only one prefix: 12092
Transit ASes present in the Internet Routing Table: 3665
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 603
Unregistered ASNs in the Routing Table: 217
Number of 32-bit ASNs allocated by the RIRs: 48
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 781
Number of addresses announced to Internet: 1856079840
Equivalent to 110 /8s, 161 /16s and 135 /24s
Percentage of available address space announced: 50.1
Percentage of allocated address space announced: 60.8
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.7
Total number of prefixes smaller than registry allocations: 127883

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

Prefixes being announced by APNIC Region ASes: 60114
Total APNIC prefixes after maximum aggregation: 22448
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 57088
Unique aggregates announced from the APNIC address blocks: 25456
APNIC Region origin ASes present in the Internet Routing Table: 3301
APNIC Prefixes per ASN: 17.29
APNIC Region origin ASes announcing only one prefix: 879
APNIC Region transit ASes present in the Internet Routing Table: 520
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 365086240
Equivalent to 21 /8s, 194 /16s and 198 /24s
Percentage of available APNIC address space announced: 77.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 120397
Total ARIN prefixes after maximum aggregation: 65051
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 90092
Unique aggregates announced from the ARIN address blocks: 34869
ARIN Region origin ASes present in the Internet Routing Table: 12272
ARIN Prefixes per ASN: 7.34
ARIN Region origin ASes announcing only one prefix: 4750
ARIN Region transit ASes present in the Internet Routing Table: 1146
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 351882784
Equivalent to 20 /8s, 249 /16s and 78 /24s
Percentage of available ARIN address space announced: 72.3

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 56428
Total RIPE prefixes after maximum aggregation: 34361
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51609
Unique aggregates announced from the RIPE address blocks: 34670
RIPE Region origin ASes present in the Internet Routing Table: 11584
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 6079
RIPE Region transit ASes present in the Internet Routing Table: 1742
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 365628544
Equivalent to 21 /8s, 203 /16s and 12 /24s
Percentage of available RIPE address space announced: 83.8

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20695
Total LACNIC prefixes after maximum aggregation: 5260
LACNIC Deaggregation factor: 3.93
Prefixes being announced from the LACNIC address blocks: 18843
Unique aggregates announced from the LACNIC address blocks: 10697
LACNIC Region origin ASes present in the Internet Routing Table: 963
LACNIC Prefixes per ASN: 19.57
LACNIC Region origin ASes announcing only one prefix: 311
LACNIC Region transit ASes present in the Internet Routing Table: 160
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 53584640
Equivalent to 3 /8s, 49 /16s and 163 /24s
Percentage of available LACNIC address space announced: 53.2

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4028
Total AfriNIC prefixes after maximum aggregation: 1186
AfriNIC Deaggregation factor: 3.40
Prefixes being announced from the AfriNIC address blocks: 4333
Unique aggregates announced from the AfriNIC address blocks: 1861
AfriNIC Region origin ASes present in the Internet Routing Table: 239
AfriNIC Prefixes per ASN: 18.13
AfriNIC Region origin ASes announcing only one prefix: 73
AfriNIC Region transit ASes present in the Internet Routing Table: 45
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12243712
Equivalent to 0 /8s, 186 /16s and 211 /24s
Percentage of available AfriNIC address space announced: 36.5

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1673 342 175 Videsh Sanchar Nigam Ltd. Aut
17488 1208 83 93 Hathway IP Over Cable Interne
9583 1152 86 477 Sify Limited
9498 1080 550 63 BHARTI BT INTERNET LTD.
4766 851 6390 347 Korea Telecom (KIX)
23577 831 35 704 Korea Telecom (ATM-MPLS)
4134 823 13523 332 CHINANET-BACKBONE
4780 704 351 63 Digital United Inc.
18101 692 167 33 Reliance Infocom Ltd Internet
9829 599 450 12 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
209 3008 3874 625 Qwest
6389 2664 3260 195 bellsouth.net, inc.
2386 1485 663 877 AT&T Data Communications Serv
4323 1475 1045 377 Time Warner Telecom
7018 1399 5823 981 AT&T WorldNet Services
6298 1303 185 753 Cox Communicatons
11492 1221 148 31 Cable One
1785 1084 510 104 AppliedTheory Corporation
18566 1045 296 10 Covad Communications
20115 1043 1059 557 Charter Communications

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
3292 414 1792 372 TDC Tele Danmark
8452 348 188 11 TEDATA
3301 333 1460 304 TeliaNet Sweden
3320 322 7047 270 Deutsche Telekom AG
8866 313 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 287 269 38 Bezeq International
3215 286 2758 90 France Telecom Transpac
680 274 2047 264 DFN-IP service G-WiN
6746 269 126 244 Dynamic Network Technologies,

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 1368 2588 224 UniNet S.A. de C.V.
11830 612 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 469 231 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 414 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
10620 405 106 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 336 23 99 NEWCOM AMERICAS

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
24863 475 61 30 LINKdotNET AS number
20858 398 34 3 EgyNet
3741 273 853 224 The Internet Solution
2018 222 206 94 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5713 130 556 75 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
29571 107 13 8 Ci Telecom Autonomous system
33776 100 6 3 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
209 3008 3874 625 Qwest
6389 2664 3260 195 bellsouth.net, inc.
4755 1673 342 175 Videsh Sanchar Nigam Ltd. Aut
2386 1485 663 877 AT&T Data Communications Serv
4323 1475 1045 377 Time Warner Telecom
7018 1399 5823 981 AT&T WorldNet Services
8151 1368 2588 224 UniNet S.A. de C.V.
6298 1303 185 753 Cox Communicatons
11492 1221 148 31 Cable One
17488 1208 83 93 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
6389 2664 2469 bellsouth.net, inc.
4755 1673 1498 Videsh Sanchar Nigam Ltd. Aut
11492 1221 1190 Cable One
8151 1368 1144 UniNet S.A. de C.V.
17488 1208 1115 Hathway IP Over Cable Interne
4323 1475 1098 Time Warner Telecom
18566 1045 1035 Covad Communications
9498 1080 1017 BHARTI BT INTERNET LTD.
1785 1084 980 AppliedTheory Corporation
22773 969 906 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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.23.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet 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 /8:17 /9:9 /10:16 /11:45 /12:145
/13:286 /14:516 /15:1037 /16:9979 /17:4327 /18:7427
/19:15846 /20:18437 /21:18085 /22:22612 /23:23524 /24:137181
/25:854 /26:1038 /27:781 /28:83 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
209 1761 3008 Qwest
6389 1667 2664 bellsouth.net, inc.
6298 1288 1303 Cox Communicatons
11492 1205 1221 Cable One
2386 1181 1485 AT&T Data Communications Serv
18566 1026 1045 Covad Communications
17488 1022 1208 Hathway IP Over Cable Interne
4755 1018 1673 Videsh Sanchar Nigam Ltd. Aut
9583 1007 1152 Sify Limited
6478 981 990 AT&T Worldnet Services

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

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

4:7 8:126 12:2084 13:2 15:22 16:3
17:5 18:13 20:35 24:1081 25:1 32:61
38:447 40:92 41:663 43:1 44:2 47:12
52:3 55:3 56:3 57:25 58:518 59:505
60:450 61:1002 62:1192 63:2028 64:3282 65:2382
66:3519 67:1229 68:712 69:2266 70:736 71:118
72:1900 73:5 74:1054 75:153 76:302 77:744
78:723 79:200 80:931 81:841 82:589 83:388
84:564 85:952 86:411 87:684 88:335 89:1289
90:14 91:1336 92:220 93:674 94:56 96:40
97:28 98:207 99:2 112:1 113:1 114:79
115:2 116:824 117:319 118:190 119:420 120:60
121:562 122:798 123:364 124:867 125:1160 128:362
129:199 130:132 131:407 132:66 133:9 134:177
135:32 136:222 137:83 138:146 139:94 140:490
141:98 142:407 143:314 144:367 145:51 146:367
147:158 148:516 149:198 150:130 151:190 152:144
153:136 154:10 155:277 156:174 157:291 158:184
159:237 160:279 161:118 162:219 163:187 164:523
165:451 166:320 167:329 168:632 169:137 170:428
171:32 172:10 188:1 189:271 190:2175 192:5723
193:4104 194:3224 195:2525 196:1046 198:3715 199:3256
200:5549 201:1471 202:7611 203:8047 204:3972 205:2124
206:2383 207:2760 208:3423 209:3494 210:2588 211:1074
212:1404 213:1574 214:158 215:49 216:4411 217:1201
218:342 219:420 220:1058 221:468 222:308

End of report

cscora at apnic

Jul 18, 2008, 11:08 AM

Post #65 of 149 (7544 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 Jul, 2008

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

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

BGP routing table entries examined: 263570
Prefixes after maximum aggregation: 129383
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 128648
Total ASes present in the Internet Routing Table: 28709
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25036
Origin ASes announcing only one prefix: 12109
Transit ASes present in the Internet Routing Table: 3673
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 585
Unregistered ASNs in the Routing Table: 215
Number of 32-bit ASNs allocated by the RIRs: 50
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 778
Number of addresses announced to Internet: 1894510496
Equivalent to 112 /8s, 235 /16s and 239 /24s
Percentage of available address space announced: 51.1
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.7
Total number of prefixes smaller than registry allocations: 128645

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

Prefixes being announced by APNIC Region ASes: 60485
Total APNIC prefixes after maximum aggregation: 22626
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 57467
Unique aggregates announced from the APNIC address blocks: 25516
APNIC Region origin ASes present in the Internet Routing Table: 3307
APNIC Prefixes per ASN: 17.38
APNIC Region origin ASes announcing only one prefix: 882
APNIC Region transit ASes present in the Internet Routing Table: 518
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 368124960
Equivalent to 21 /8s, 241 /16s and 36 /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
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 121119
Total ARIN prefixes after maximum aggregation: 65323
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 90675
Unique aggregates announced from the ARIN address blocks: 35130
ARIN Region origin ASes present in the Internet Routing Table: 12293
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4747
ARIN Region transit ASes present in the Internet Routing Table: 1155
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 352742688
Equivalent to 21 /8s, 6 /16s and 109 /24s
Percentage of available ARIN address space announced: 72.5

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 56703
Total RIPE prefixes after maximum aggregation: 34477
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51898
Unique aggregates announced from the RIPE address blocks: 34879
RIPE Region origin ASes present in the Internet Routing Table: 11614
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6089
RIPE Region transit ASes present in the Internet Routing Table: 1740
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 366805568
Equivalent to 21 /8s, 221 /16s and 2 /24s
Percentage of available RIPE address space announced: 84.1

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20673
Total LACNIC prefixes after maximum aggregation: 5279
LACNIC Deaggregation factor: 3.92
Prefixes being announced from the LACNIC address blocks: 18896
Unique aggregates announced from the LACNIC address blocks: 10693
LACNIC Region origin ASes present in the Internet Routing Table: 966
LACNIC Prefixes per ASN: 19.56
LACNIC Region origin ASes announcing only one prefix: 316
LACNIC Region transit ASes present in the Internet Routing Table: 162
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 53626880
Equivalent to 3 /8s, 50 /16s and 72 /24s
Percentage of available LACNIC address space announced: 53.3

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4008
Total AfriNIC prefixes after maximum aggregation: 1190
AfriNIC Deaggregation factor: 3.37
Prefixes being announced from the AfriNIC address blocks: 4300
Unique aggregates announced from the AfriNIC address blocks: 1895
AfriNIC Region origin ASes present in the Internet Routing Table: 241
AfriNIC Prefixes per ASN: 17.84
AfriNIC Region origin ASes announcing only one prefix: 75
AfriNIC Region transit ASes present in the Internet Routing Table: 47
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12311296
Equivalent to 0 /8s, 187 /16s and 219 /24s
Percentage of available AfriNIC address space announced: 36.7

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1671 342 176 Videsh Sanchar Nigam Ltd. Aut
17488 1219 84 96 Hathway IP Over Cable Interne
9583 1170 89 481 Sify Limited
4766 852 6390 347 Korea Telecom (KIX)
23577 829 35 703 Korea Telecom (ATM-MPLS)
4134 824 13539 334 CHINANET-BACKBONE
9498 711 547 58 BHARTI BT INTERNET LTD.
4780 707 351 63 Digital United Inc.
18101 690 167 32 Reliance Infocom Ltd Internet
4808 617 1111 137 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
209 3008 3859 625 Qwest
6389 2662 3260 195 bellsouth.net, inc.
6298 1606 233 782 Cox Communicatons
4323 1482 1061 379 Time Warner Telecom
2386 1477 646 873 AT&T Data Communications Serv
7018 1415 6247 988 AT&T WorldNet Services
11492 1210 149 32 Cable One
1785 1087 510 104 AppliedTheory Corporation
18566 1045 296 10 Covad Communications
20115 1041 1059 558 Charter Communications

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
3292 414 1792 372 TDC Tele Danmark
3301 332 1460 303 TeliaNet Sweden
3320 322 7047 270 Deutsche Telekom AG
8452 319 188 11 TEDATA
8866 317 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 287 269 38 Bezeq International
3215 286 2758 90 France Telecom Transpac
680 274 2047 264 DFN-IP service G-WiN
6746 269 126 244 Dynamic Network Technologies,

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 1384 2590 225 UniNet S.A. de C.V.
11830 612 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 471 232 63 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 414 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
10620 406 106 64 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 335 23 98 NEWCOM AMERICAS

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
24863 476 61 24 LINKdotNET AS number
20858 398 34 3 EgyNet
3741 270 853 225 The Internet Solution
2018 209 204 102 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5713 130 556 75 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
29571 107 13 8 Ci Telecom Autonomous system
33776 99 6 7 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
209 3008 3859 625 Qwest
6389 2662 3260 195 bellsouth.net, inc.
4755 1671 342 176 Videsh Sanchar Nigam Ltd. Aut
6298 1606 233 782 Cox Communicatons
4323 1482 1061 379 Time Warner Telecom
2386 1477 646 873 AT&T Data Communications Serv
7018 1415 6247 988 AT&T WorldNet Services
8151 1384 2590 225 UniNet S.A. de C.V.
17488 1219 84 96 Hathway IP Over Cable Interne
11492 1210 149 32 Cable One

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

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

ASN No of nets Net Savings Description
6389 2662 2467 bellsouth.net, inc.
4755 1671 1495 Videsh Sanchar Nigam Ltd. Aut
11492 1210 1178 Cable One
8151 1384 1159 UniNet S.A. de C.V.
17488 1219 1123 Hathway IP Over Cable Interne
4323 1482 1103 Time Warner Telecom
18566 1045 1035 Covad Communications
1785 1087 983 AppliedTheory Corporation
22773 971 907 Cox Communications, Inc.
6478 1003 835 AT&T Worldnet Services

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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.23.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet 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 /9:9 /10:16 /11:45 /12:146
/13:287 /14:517 /15:1041 /16:10011 /17:4336 /18:7517
/19:15887 /20:18525 /21:18193 /22:22730 /23:23637 /24:137913
/25:837 /26:1030 /27:778 /28:82 /29:7 /30:1
/31:0 /32:6

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

ASN No of nets Total ann. Description
209 1760 3008 Qwest
6389 1664 2662 bellsouth.net, inc.
6298 1582 1606 Cox Communicatons
11492 1194 1210 Cable One
2386 1174 1477 AT&T Data Communications Serv
17488 1033 1219 Hathway IP Over Cable Interne
18566 1026 1045 Covad Communications
9583 1025 1170 Sify Limited
4755 1023 1671 Videsh Sanchar Nigam Ltd. Aut
6478 994 1003 AT&T Worldnet Services

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

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

4:7 8:125 12:2091 13:2 15:22 16:3
17:5 18:13 20:35 24:1092 25:1 32:61
38:450 40:92 41:657 43:1 44:2 47:12
52:3 55:3 56:3 57:25 58:524 59:507
60:452 61:1009 62:1206 63:2031 64:3288 65:2386
66:3509 67:1229 68:735 69:2266 70:799 71:118
72:1961 73:5 74:1064 75:155 76:315 77:749
78:748 79:203 80:934 81:840 82:592 83:377
84:559 85:960 86:413 87:687 88:338 89:1316
90:15 91:1386 92:224 93:691 94:56 96:40
97:31 98:253 99:2 112:1 113:1 114:90
115:3 116:843 117:320 118:190 119:440 120:59
121:562 122:796 123:363 124:890 125:1168 128:361
129:199 130:132 131:410 132:66 133:9 134:186
135:33 136:223 137:91 138:147 139:94 140:493
141:98 142:406 143:325 144:384 145:51 146:366
147:157 148:517 149:198 150:129 151:180 152:144
153:136 154:10 155:251 156:174 157:291 158:187
159:239 160:279 161:118 162:210 163:154 164:525
165:452 166:318 167:330 168:621 169:138 170:423
171:32 172:10 188:1 189:287 190:2206 192:5798
193:4095 194:3231 195:2525 196:1042 198:3734 199:3270
200:5566 201:1462 202:7639 203:8045 204:3987 205:2132
206:2383 207:2762 208:3422 209:3510 210:2592 211:1074
212:1411 213:1610 214:164 215:49 216:4426 217:1195
218:343 219:421 220:1059 221:465 222:306

End of report

cscora at apnic

Jul 25, 2008, 11:08 AM

Post #66 of 149 (7457 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 Jul, 2008

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

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

BGP routing table entries examined: 263817
Prefixes after maximum aggregation: 129203
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 128902
Total ASes present in the Internet Routing Table: 28747
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25067
Origin ASes announcing only one prefix: 12114
Transit ASes present in the Internet Routing Table: 3680
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 585
Unregistered ASNs in the Routing Table: 213
Number of 32-bit ASNs allocated by the RIRs: 51
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 779
Number of addresses announced to Internet: 1879804352
Equivalent to 112 /8s, 11 /16s and 137 /24s
Percentage of available address space announced: 50.7
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.8
Total number of prefixes smaller than registry allocations: 128837

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

Prefixes being announced by APNIC Region ASes: 60552
Total APNIC prefixes after maximum aggregation: 22662
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 57525
Unique aggregates announced from the APNIC address blocks: 25903
APNIC Region origin ASes present in the Internet Routing Table: 3307
APNIC Prefixes per ASN: 17.39
APNIC Region origin ASes announcing only one prefix: 877
APNIC Region transit ASes present in the Internet Routing Table: 519
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 368888864
Equivalent to 21 /8s, 252 /16s and 204 /24s
Percentage of available APNIC address space announced: 78.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 121160
Total ARIN prefixes after maximum aggregation: 65083
ARIN Deaggregation factor: 1.86
Prefixes being announced from the ARIN address blocks: 90677
Unique aggregates announced from the ARIN address blocks: 34897
ARIN Region origin ASes present in the Internet Routing Table: 12311
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4750
ARIN Region transit ASes present in the Internet Routing Table: 1154
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 353191456
Equivalent to 21 /8s, 13 /16s and 70 /24s
Percentage of available ARIN address space announced: 72.6

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 56776
Total RIPE prefixes after maximum aggregation: 34509
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51972
Unique aggregates announced from the RIPE address blocks: 34924
RIPE Region origin ASes present in the Internet Routing Table: 11625
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6092
RIPE Region transit ASes present in the Internet Routing Table: 1745
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 367204704
Equivalent to 21 /8s, 227 /16s and 25 /24s
Percentage of available RIPE address space announced: 84.2

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20746
Total LACNIC prefixes after maximum aggregation: 5244
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 18960
Unique aggregates announced from the LACNIC address blocks: 10738
LACNIC Region origin ASes present in the Internet Routing Table: 971
LACNIC Prefixes per ASN: 19.53
LACNIC Region origin ASes announcing only one prefix: 318
LACNIC Region transit ASes present in the Internet Routing Table: 165
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 53835776
Equivalent to 3 /8s, 53 /16s and 120 /24s
Percentage of available LACNIC address space announced: 53.5

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4001
Total AfriNIC prefixes after maximum aggregation: 1217
AfriNIC Deaggregation factor: 3.29
Prefixes being announced from the AfriNIC address blocks: 4304
Unique aggregates announced from the AfriNIC address blocks: 1861
AfriNIC Region origin ASes present in the Internet Routing Table: 242
AfriNIC Prefixes per ASN: 17.79
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 47
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12518400
Equivalent to 0 /8s, 191 /16s and 4 /24s
Percentage of available AfriNIC address space announced: 37.3

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1677 342 177 Videsh Sanchar Nigam Ltd. Aut
17488 1236 85 99 Hathway IP Over Cable Interne
9583 1145 86 482 Sify Limited
4766 853 6390 347 Korea Telecom (KIX)
23577 830 35 702 Korea Telecom (ATM-MPLS)
4134 828 13603 337 CHINANET-BACKBONE
4780 711 351 63 Digital United Inc.
18101 710 167 33 Reliance Infocom Ltd Internet
9498 661 291 57 BHARTI BT INTERNET LTD.
4808 621 1120 138 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 3209 3359 213 bellsouth.net, inc.
209 2999 3859 623 Qwest
6298 1648 237 780 Cox Communicatons
4323 1486 1062 380 Time Warner Telecom
2386 1485 663 879 AT&T Data Communications Serv
7018 1412 5840 989 AT&T WorldNet Services
1785 1227 510 104 AppliedTheory Corporation
11492 1208 149 28 Cable One
20115 1118 1082 572 Charter Communications
18566 1045 296 10 Covad Communications

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
3292 413 1792 371 TDC Tele Danmark
3301 332 1460 303 TeliaNet Sweden
3320 322 7047 270 Deutsche Telekom AG
8452 320 188 11 TEDATA
8866 317 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 288 270 38 Bezeq International
3215 277 2758 90 France Telecom Transpac
680 274 2047 264 DFN-IP service G-WiN
6746 267 125 242 Dynamic Network Technologies,

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 1384 2590 225 UniNet S.A. de C.V.
11830 612 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 472 233 60 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 415 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
10620 407 107 56 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 331 23 104 NEWCOM AMERICAS

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
24863 478 61 25 LINKdotNET AS number
20858 398 34 3 EgyNet
3741 268 855 223 The Internet Solution
2018 209 197 131 Tertiary Education Network
6713 141 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5713 131 556 76 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 115 6 7 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system

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 3209 3359 213 bellsouth.net, inc.
209 2999 3859 623 Qwest
4755 1677 342 177 Videsh Sanchar Nigam Ltd. Aut
6298 1648 237 780 Cox Communicatons
4323 1486 1062 380 Time Warner Telecom
2386 1485 663 879 AT&T Data Communications Serv
7018 1412 5840 989 AT&T WorldNet Services
8151 1384 2590 225 UniNet S.A. de C.V.
17488 1236 85 99 Hathway IP Over Cable Interne
1785 1227 510 104 AppliedTheory Corporation

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

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

ASN No of nets Net Savings Description
209 2999 2376 Qwest
4755 1677 1500 Videsh Sanchar Nigam Ltd. Aut
11492 1208 1180 Cable One
8151 1384 1159 UniNet S.A. de C.V.
17488 1236 1137 Hathway IP Over Cable Interne
1785 1227 1123 AppliedTheory Corporation
4323 1486 1106 Time Warner Telecom
18566 1045 1035 Covad Communications
22773 972 908 Cox Communications, Inc.
6298 1648 868 Cox Communicatons

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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.48.246.0/24 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.23.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet 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 /8:18 /9:9 /10:16 /11:45 /12:145
/13:288 /14:519 /15:1044 /16:10020 /17:4337 /18:7532
/19:15887 /20:18548 /21:18162 /22:22735 /23:23709 /24:138084
/25:837 /26:1019 /27:767 /28:82 /29:7 /30:1
/31:0 /32:6

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

ASN No of nets Total ann. Description
6389 2040 3209 bellsouth.net, inc.
209 1750 2999 Qwest
6298 1624 1648 Cox Communicatons
11492 1190 1208 Cable One
2386 1182 1485 AT&T Data Communications Serv
17488 1048 1236 Hathway IP Over Cable Interne
4755 1029 1677 Videsh Sanchar Nigam Ltd. Aut
18566 1026 1045 Covad Communications
6478 1006 1015 AT&T Worldnet Services
9583 1001 1145 Sify Limited

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

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

4:8 8:126 12:2107 13:2 15:22 16:3
17:5 18:13 20:35 24:1063 32:60 38:467
40:92 41:661 43:1 44:2 47:12 52:3
55:3 56:3 57:25 58:521 59:506 60:453
61:1011 62:1196 63:2042 64:3251 65:2391 66:3504
67:1227 68:744 69:2271 70:804 71:117 72:1965
73:5 74:1042 75:155 76:306 77:758 78:764
79:211 80:938 81:824 82:599 83:377 84:566
85:965 86:409 87:690 88:338 89:1323 90:15
91:1382 92:231 93:710 94:88 96:48 97:34
98:266 99:4 112:1 113:1 114:90 115:19
116:864 117:323 118:189 119:426 120:56 121:567
122:801 123:365 124:903 125:1177 128:361 129:198
130:134 131:410 132:66 133:9 134:186 135:33
136:224 137:92 138:146 139:93 140:494 141:99
142:408 143:332 144:393 145:51 146:366 147:156
148:517 149:196 150:125 151:180 152:143 153:136
154:10 155:252 156:175 157:290 158:187 159:237
160:279 161:118 162:215 163:155 164:518 165:452
166:319 167:331 168:621 169:139 170:426 171:32
172:10 188:1 189:297 190:2197 192:5797 193:4098
194:3229 195:2536 196:1025 198:3722 199:3279 200:5586
201:1463 202:7656 203:8052 204:3983 205:2128 206:2333
207:2753 208:3451 209:3515 210:2583 211:1073 212:1412
213:1583 214:164 215:49 216:4468 217:1208 218:342
219:423 220:1055 221:451 222:312

End of report

cscora at apnic

Aug 1, 2008, 11:07 AM

Post #67 of 149 (7385 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 Aug, 2008

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

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

BGP routing table entries examined: 265184
Prefixes after maximum aggregation: 129461
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129300
Total ASes present in the Internet Routing Table: 28821
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 25126
Origin ASes announcing only one prefix: 12150
Transit ASes present in the Internet Routing Table: 3695
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 572
Unregistered ASNs in the Routing Table: 211
Number of 32-bit ASNs allocated by the RIRs: 53
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 791
Number of addresses announced to Internet: 1888212576
Equivalent to 112 /8s, 139 /16s and 214 /24s
Percentage of available address space announced: 50.9
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.0
Total number of prefixes smaller than registry allocations: 129790

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

Prefixes being announced by APNIC Region ASes: 60837
Total APNIC prefixes after maximum aggregation: 22712
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 57817
Unique aggregates announced from the APNIC address blocks: 26028
APNIC Region origin ASes present in the Internet Routing Table: 3320
APNIC Prefixes per ASN: 17.41
APNIC Region origin ASes announcing only one prefix: 878
APNIC Region transit ASes present in the Internet Routing Table: 513
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 369846304
Equivalent to 22 /8s, 11 /16s and 104 /24s
Percentage of available APNIC address space announced: 78.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 121736
Total ARIN prefixes after maximum aggregation: 65145
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91199
Unique aggregates announced from the ARIN address blocks: 34975
ARIN Region origin ASes present in the Internet Routing Table: 12333
ARIN Prefixes per ASN: 7.39
ARIN Region origin ASes announcing only one prefix: 4760
ARIN Region transit ASes present in the Internet Routing Table: 1172
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 359625120
Equivalent to 21 /8s, 111 /16s and 113 /24s
Percentage of available ARIN address space announced: 73.9

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 57109
Total RIPE prefixes after maximum aggregation: 34644
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52259
Unique aggregates announced from the RIPE address blocks: 35059
RIPE Region origin ASes present in the Internet Routing Table: 11666
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6118
RIPE Region transit ASes present in the Internet Routing Table: 1753
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 368008320
Equivalent to 21 /8s, 239 /16s and 92 /24s
Percentage of available RIPE address space announced: 84.4

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20879
Total LACNIC prefixes after maximum aggregation: 5274
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 19108
Unique aggregates announced from the LACNIC address blocks: 10762
LACNIC Region origin ASes present in the Internet Routing Table: 971
LACNIC Prefixes per ASN: 19.68
LACNIC Region origin ASes announcing only one prefix: 316
LACNIC Region transit ASes present in the Internet Routing Table: 162
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 54027264
Equivalent to 3 /8s, 56 /16s and 100 /24s
Percentage of available LACNIC address space announced: 53.7

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4054
Total AfriNIC prefixes after maximum aggregation: 1210
AfriNIC Deaggregation factor: 3.35
Prefixes being announced from the AfriNIC address blocks: 4420
Unique aggregates announced from the AfriNIC address blocks: 1902
AfriNIC Region origin ASes present in the Internet Routing Table: 245
AfriNIC Prefixes per ASN: 18.04
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 47
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12521984
Equivalent to 0 /8s, 191 /16s and 18 /24s
Percentage of available AfriNIC address space announced: 37.3

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1688 345 177 Videsh Sanchar Nigam Ltd. Aut
17488 1267 87 91 Hathway IP Over Cable Interne
9583 1146 87 486 Sify Limited
4766 855 6390 348 Korea Telecom (KIX)
4134 831 13619 339 CHINANET-BACKBONE
23577 830 35 702 Korea Telecom (ATM-MPLS)
4780 712 353 64 Digital United Inc.
18101 711 167 33 Reliance Infocom Ltd Internet
9498 663 291 54 BHARTI BT INTERNET LTD.
4808 623 1120 138 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 3205 3359 213 bellsouth.net, inc.
209 2982 3860 621 Qwest
6298 1778 270 769 Cox Communicatons
4323 1491 1062 380 Time Warner Telecom
2386 1486 673 880 AT&T Data Communications Serv
7018 1409 5829 987 AT&T WorldNet Services
1785 1390 478 102 AppliedTheory Corporation
11492 1215 151 23 Cable One
20115 1115 1080 572 Charter Communications
18566 1045 296 10 Covad Communications

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
3292 414 1792 372 TDC Tele Danmark
3215 358 2756 106 France Telecom Transpac
8452 347 188 11 TEDATA
3301 332 1460 303 TeliaNet Sweden
3320 322 7047 270 Deutsche Telekom AG
8866 316 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 287 270 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
6746 267 125 242 Dynamic Network Technologies,

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 1447 2591 226 UniNet S.A. de C.V.
11830 612 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 474 234 62 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 417 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
10620 405 106 58 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 329 23 104 NEWCOM AMERICAS

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
24863 479 62 20 LINKdotNET AS number
20858 398 34 3 EgyNet
3741 268 855 223 The Internet Solution
2018 212 213 131 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5713 129 540 74 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 115 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system

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 3205 3359 213 bellsouth.net, inc.
209 2982 3860 621 Qwest
6298 1778 270 769 Cox Communicatons
4755 1688 345 177 Videsh Sanchar Nigam Ltd. Aut
4323 1491 1062 380 Time Warner Telecom
2386 1486 673 880 AT&T Data Communications Serv
8151 1447 2591 226 UniNet S.A. de C.V.
7018 1409 5829 987 AT&T WorldNet Services
1785 1390 478 102 AppliedTheory Corporation
17488 1267 87 91 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
209 2982 2361 Qwest
4755 1688 1511 Videsh Sanchar Nigam Ltd. Aut
1785 1390 1288 AppliedTheory Corporation
8151 1447 1221 UniNet S.A. de C.V.
11492 1215 1192 Cable One
17488 1267 1176 Hathway IP Over Cable Interne
4323 1491 1111 Time Warner Telecom
18566 1045 1035 Covad Communications
6298 1778 1009 Cox Communicatons
22773 969 906 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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.48.246.0/24 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.23.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet 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 /8:18 /9:9 /10:17 /11:46 /12:147
/13:294 /14:520 /15:1051 /16:10043 /17:4339 /18:7536
/19:15968 /20:18587 /21:18269 /22:22879 /23:23873 /24:138870
/25:833 /26:1022 /27:758 /28:88 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
6389 2034 3205 bellsouth.net, inc.
6298 1752 1778 Cox Communicatons
209 1734 2982 Qwest
11492 1196 1215 Cable One
2386 1179 1486 AT&T Data Communications Serv
17488 1077 1267 Hathway IP Over Cable Interne
1785 1047 1390 AppliedTheory Corporation
4755 1039 1688 Videsh Sanchar Nigam Ltd. Aut
18566 1026 1045 Covad Communications
6478 1007 1016 AT&T Worldnet Services

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

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

4:8 8:128 12:2105 13:2 14:1 15:22
16:3 17:5 18:13 20:35 24:1098 32:60
38:471 40:92 41:698 43:1 44:2 47:12
52:3 55:3 56:3 57:25 58:527 59:511
60:456 61:990 62:1201 63:2039 64:3284 65:2381
66:3510 67:1225 68:746 69:2291 70:822 71:118
72:2008 73:6 74:1071 75:153 76:305 77:757
78:765 79:212 80:979 81:847 82:602 83:376
84:567 85:957 86:407 87:687 88:338 89:1315
90:31 91:1402 92:237 93:721 94:89 96:52
97:41 98:290 99:4 112:1 113:1 114:76
115:28 116:903 117:328 118:189 119:446 120:59
121:571 122:807 123:371 124:904 125:1175 128:360
129:198 130:135 131:412 132:66 133:9 134:186
135:33 136:223 137:95 138:146 139:93 140:498
141:98 142:405 143:321 144:393 145:51 146:371
147:157 148:519 149:194 150:125 151:182 152:137
153:136 154:10 155:252 156:173 157:291 158:187
159:239 160:274 161:118 162:214 163:155 164:517
165:454 166:316 167:330 168:624 169:139 170:422
171:32 172:10 188:1 189:362 190:2243 192:5787
193:4125 194:3239 195:2547 196:1031 198:3725 199:3309
200:5566 201:1473 202:7666 203:8056 204:3979 205:2136
206:2359 207:2761 208:3481 209:3493 210:2590 211:1078
212:1425 213:1602 214:161 215:49 216:4517 217:1243
218:343 219:428 220:1059 221:455 222:312

End of report

cscora at apnic

Aug 8, 2008, 11:08 AM

Post #68 of 149 (7322 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 Aug, 2008

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

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

BGP routing table entries examined: 265478
Prefixes after maximum aggregation: 129570
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129591
Total ASes present in the Internet Routing Table: 28883
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25165
Origin ASes announcing only one prefix: 12193
Transit ASes present in the Internet Routing Table: 3718
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 569
Unregistered ASNs in the Routing Table: 209
Number of 32-bit ASNs allocated by the RIRs: 55
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 778
Number of addresses announced to Internet: 1889709152
Equivalent to 112 /8s, 162 /16s and 172 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.0
Total number of prefixes smaller than registry allocations: 130048

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

Prefixes being announced by APNIC Region ASes: 61000
Total APNIC prefixes after maximum aggregation: 22709
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 57975
Unique aggregates announced from the APNIC address blocks: 26131
APNIC Region origin ASes present in the Internet Routing Table: 3322
APNIC Prefixes per ASN: 17.45
APNIC Region origin ASes announcing only one prefix: 880
APNIC Region transit ASes present in the Internet Routing Table: 512
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 370241056
Equivalent to 22 /8s, 17 /16s and 110 /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
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 121751
Total ARIN prefixes after maximum aggregation: 65124
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91093
Unique aggregates announced from the ARIN address blocks: 34943
ARIN Region origin ASes present in the Internet Routing Table: 12344
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4761
ARIN Region transit ASes present in the Internet Routing Table: 1179
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 360292768
Equivalent to 21 /8s, 121 /16s and 161 /24s
Percentage of available ARIN address space announced: 74.1

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 57093
Total RIPE prefixes after maximum aggregation: 34735
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 52243
Unique aggregates announced from the RIPE address blocks: 35108
RIPE Region origin ASes present in the Internet Routing Table: 11705
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 6155
RIPE Region transit ASes present in the Internet Routing Table: 1764
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 368507008
Equivalent to 21 /8s, 246 /16s and 248 /24s
Percentage of available RIPE address space announced: 84.5

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 21040
Total LACNIC prefixes after maximum aggregation: 5302
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 19279
Unique aggregates announced from the LACNIC address blocks: 10899
LACNIC Region origin ASes present in the Internet Routing Table: 977
LACNIC Prefixes per ASN: 19.73
LACNIC Region origin ASes announcing only one prefix: 319
LACNIC Region transit ASes present in the Internet Routing Table: 165
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 54245376
Equivalent to 3 /8s, 59 /16s and 184 /24s
Percentage of available LACNIC address space announced: 53.9

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4028
Total AfriNIC prefixes after maximum aggregation: 1224
AfriNIC Deaggregation factor: 3.29
Prefixes being announced from the AfriNIC address blocks: 4372
Unique aggregates announced from the AfriNIC address blocks: 1913
AfriNIC Region origin ASes present in the Internet Routing Table: 246
AfriNIC Prefixes per ASN: 17.77
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12534016
Equivalent to 0 /8s, 191 /16s and 65 /24s
Percentage of available AfriNIC address space announced: 37.4

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1691 345 178 Videsh Sanchar Nigam Ltd. Aut
17488 1288 88 92 Hathway IP Over Cable Interne
9583 1174 92 492 Sify Limited
4766 856 6390 349 Korea Telecom (KIX)
4134 833 13516 353 CHINANET-BACKBONE
23577 831 35 703 Korea Telecom (ATM-MPLS)
4780 712 353 64 Digital United Inc.
18101 712 167 33 Reliance Infocom Ltd Internet
9498 669 291 54 BHARTI BT INTERNET LTD.
4808 618 1112 137 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 3200 3358 208 bellsouth.net, inc.
209 2975 3860 625 Qwest
6298 1778 270 768 Cox Communicatons
2386 1560 707 893 AT&T Data Communications Serv
4323 1489 1078 380 Time Warner Telecom
1785 1450 478 102 AppliedTheory Corporation
7018 1411 5830 989 AT&T WorldNet Services
11492 1218 151 23 Cable One
20115 1117 1082 571 Charter Communications
18566 1045 296 10 Covad Communications

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
3292 414 1792 372 TDC Tele Danmark
3215 371 2756 106 France Telecom Transpac
8452 357 188 11 TEDATA
3301 333 1460 304 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 316 77 21 Bulgarian Telecommunication C
8551 288 270 38 Bezeq International
5462 286 666 27 Telewest Broadband
680 274 2047 264 DFN-IP service G-WiN
6746 268 126 243 Dynamic Network Technologies,

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 2592 225 UniNet S.A. de C.V.
11830 624 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 475 235 63 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 417 85 48 ENTEL CHILE S.A.
11172 409 118 71 Servicios Alestra S.A de C.V
10620 407 107 51 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 346 24 101 NEWCOM AMERICAS

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
24863 495 63 28 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 269 855 224 The Internet Solution
2018 211 213 130 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5713 129 540 74 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 114 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system

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 3200 3358 208 bellsouth.net, inc.
209 2975 3860 625 Qwest
6298 1778 270 768 Cox Communicatons
4755 1691 345 178 Videsh Sanchar Nigam Ltd. Aut
2386 1560 707 893 AT&T Data Communications Serv
4323 1489 1078 380 Time Warner Telecom
8151 1476 2592 225 UniNet S.A. de C.V.
1785 1450 478 102 AppliedTheory Corporation
7018 1411 5830 989 AT&T WorldNet Services
17488 1288 88 92 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
209 2975 2350 Qwest
4755 1691 1513 Videsh Sanchar Nigam Ltd. Aut
1785 1450 1348 AppliedTheory Corporation
8151 1476 1251 UniNet S.A. de C.V.
17488 1288 1196 Hathway IP Over Cable Interne
11492 1218 1195 Cable One
4323 1489 1109 Time Warner Telecom
18566 1045 1035 Covad Communications
6298 1778 1010 Cox Communicatons
22773 973 910 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
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.

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 /8:18 /9:9 /10:17 /11:45 /12:146
/13:293 /14:523 /15:1054 /16:10035 /17:4344 /18:7529
/19:15967 /20:18606 /21:18147 /22:22946 /23:23926 /24:139133
/25:843 /26:1036 /27:758 /28:86 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
6389 2035 3200 bellsouth.net, inc.
6298 1752 1778 Cox Communicatons
209 1726 2975 Qwest
2386 1236 1560 AT&T Data Communications Serv
11492 1199 1218 Cable One
17488 1096 1288 Hathway IP Over Cable Interne
1785 1064 1450 AppliedTheory Corporation
4755 1042 1691 Videsh Sanchar Nigam Ltd. Aut
9583 1030 1174 Sify Limited
18566 1026 1045 Covad Communications

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

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

4:8 8:129 12:2102 13:2 14:1 15:22
16:3 17:5 18:13 20:35 24:1085 32:59
38:479 40:92 41:695 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:526 59:512
60:456 61:992 62:1208 63:2036 64:3262 65:2376
66:3496 67:1221 68:743 69:2289 70:823 71:116
72:2008 73:6 74:1086 75:156 76:308 77:754
78:805 79:218 80:976 81:849 82:610 83:378
84:570 85:966 86:397 87:684 88:340 89:1296
90:33 91:1389 92:247 93:720 94:95 96:53
97:44 98:301 99:3 114:81 115:34 116:923
117:330 118:193 119:442 120:63 121:581 122:808
123:372 124:904 125:1176 128:360 129:198 130:135
131:411 132:67 133:9 134:187 135:33 136:222
137:94 138:146 139:88 140:500 141:103 142:404
143:335 144:390 145:51 146:372 147:156 148:517
149:198 150:129 151:181 152:143 153:136 154:10
155:252 156:174 157:285 158:186 159:294 160:273
161:119 162:216 163:155 164:516 165:455 166:318
167:329 168:623 169:139 170:425 171:32 172:10
188:1 189:431 190:2264 192:5799 193:4140 194:3241
195:2550 196:1025 198:3738 199:3307 200:5588 201:1471
202:7691 203:8077 204:3962 205:2144 206:2361 207:2760
208:3502 209:3465 210:2586 211:1076 212:1425 213:1600
214:172 215:50 216:4483 217:1212 218:343 219:428
220:1065 221:455 222:309

End of report

cscora at apnic

Aug 15, 2008, 11:08 AM

Post #69 of 149 (7202 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 Aug, 2008

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

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

BGP routing table entries examined: 266031
Prefixes after maximum aggregation: 129676
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129417
Total ASes present in the Internet Routing Table: 28943
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25197
Origin ASes announcing only one prefix: 12205
Transit ASes present in the Internet Routing Table: 3746
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 581
Unregistered ASNs in the Routing Table: 214
Number of 32-bit ASNs allocated by the RIRs: 57
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 814
Number of addresses announced to Internet: 1891631072
Equivalent to 112 /8s, 191 /16s and 255 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.2
Total number of prefixes smaller than registry allocations: 130342

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

Prefixes being announced by APNIC Region ASes: 61134
Total APNIC prefixes after maximum aggregation: 22712
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58105
Unique aggregates announced from the APNIC address blocks: 26152
APNIC Region origin ASes present in the Internet Routing Table: 3328
APNIC Prefixes per ASN: 17.46
APNIC Region origin ASes announcing only one prefix: 878
APNIC Region transit ASes present in the Internet Routing Table: 514
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 371611424
Equivalent to 22 /8s, 38 /16s and 87 /24s
Percentage of available APNIC address space announced: 79.1

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 121924
Total ARIN prefixes after maximum aggregation: 65148
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91111
Unique aggregates announced from the ARIN address blocks: 34743
ARIN Region origin ASes present in the Internet Routing Table: 12358
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4754
ARIN Region transit ASes present in the Internet Routing Table: 1184
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 360325024
Equivalent to 21 /8s, 122 /16s and 31 /24s
Percentage of available ARIN address space announced: 74.1

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 57391
Total RIPE prefixes after maximum aggregation: 34803
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52507
Unique aggregates announced from the RIPE address blocks: 35275
RIPE Region origin ASes present in the Internet Routing Table: 11737
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6169
RIPE Region transit ASes present in the Internet Routing Table: 1778
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 369143104
Equivalent to 22 /8s, 0 /16s and 173 /24s
Percentage of available RIPE address space announced: 84.6

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 21007
Total LACNIC prefixes after maximum aggregation: 5308
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 19258
Unique aggregates announced from the LACNIC address blocks: 10747
LACNIC Region origin ASes present in the Internet Routing Table: 981
LACNIC Prefixes per ASN: 19.63
LACNIC Region origin ASes announcing only one prefix: 324
LACNIC Region transit ASes present in the Internet Routing Table: 169
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 54404608
Equivalent to 3 /8s, 62 /16s and 38 /24s
Percentage of available LACNIC address space announced: 54.0

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3993
Total AfriNIC prefixes after maximum aggregation: 1225
AfriNIC Deaggregation factor: 3.26
Prefixes being announced from the AfriNIC address blocks: 4347
Unique aggregates announced from the AfriNIC address blocks: 1868
AfriNIC Region origin ASes present in the Internet Routing Table: 248
AfriNIC Prefixes per ASN: 17.53
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 52
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12726016
Equivalent to 0 /8s, 194 /16s and 47 /24s
Percentage of available AfriNIC address space announced: 37.9

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1693 537 180 Videsh Sanchar Nigam Ltd. Aut
17488 1300 89 99 Hathway IP Over Cable Interne
9583 1176 92 493 Sify Limited
4766 858 6390 351 Korea Telecom (KIX)
4134 836 13523 339 CHINANET-BACKBONE
23577 823 35 698 Korea Telecom (ATM-MPLS)
4780 714 353 61 Digital United Inc.
18101 692 167 33 Reliance Infocom Ltd Internet
9498 674 291 54 BHARTI BT INTERNET LTD.
4808 616 1109 135 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 3198 3358 208 bellsouth.net, inc.
209 2881 3857 619 Qwest
6298 2004 323 735 Cox Communicatons
2386 1562 692 899 AT&T Data Communications Serv
4323 1491 1078 379 Time Warner Telecom
1785 1454 478 100 AppliedTheory Corporation
7018 1412 5830 988 AT&T WorldNet Services
11492 1214 151 22 Cable One
20115 1113 1080 573 Charter Communications
18566 1045 296 10 Covad Communications

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
3292 414 1776 372 TDC Tele Danmark
3215 371 2756 106 France Telecom Transpac
8452 357 188 11 TEDATA
3301 332 1444 303 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 289 270 39 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
6746 269 126 243 Dynamic Network Technologies,

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 1517 2592 222 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 479 236 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 417 85 48 ENTEL CHILE S.A.
11172 410 118 72 Servicios Alestra S.A de C.V
10620 371 99 90 TVCABLE BOGOTA
14117 348 23 9 Telefonica del Sur S.A.
28573 318 432 33 NET Servicos de Comunicao 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
24863 496 64 28 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 267 855 224 The Internet Solution
2018 211 213 130 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 136 10 13 EEPAD TISP TELECOM & INTERNET
5713 129 540 74 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 119 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system

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 3198 3358 208 bellsouth.net, inc.
209 2881 3857 619 Qwest
6298 2004 323 735 Cox Communicatons
4755 1693 537 180 Videsh Sanchar Nigam Ltd. Aut
2386 1562 692 899 AT&T Data Communications Serv
8151 1517 2592 222 UniNet S.A. de C.V.
4323 1491 1078 379 Time Warner Telecom
1785 1454 478 100 AppliedTheory Corporation
7018 1412 5830 988 AT&T WorldNet Services
17488 1300 89 99 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
209 2881 2262 Qwest
4755 1693 1513 Videsh Sanchar Nigam Ltd. Aut
1785 1454 1354 AppliedTheory Corporation
8151 1517 1295 UniNet S.A. de C.V.
6298 2004 1269 Cox Communicatons
17488 1300 1201 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1491 1112 Time Warner Telecom
18566 1045 1035 Covad Communications
22773 959 897 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
65530 PRIVATE 8.7.233.0/24 20473 Net Transactions LLC
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.53.86.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.55.0.0/18 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
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 /8:18 /9:9 /10:17 /11:45 /12:146
/13:293 /14:527 /15:1055 /16:10032 /17:4359 /18:7547
/19:16006 /20:18673 /21:18275 /22:22986 /23:24093 /24:139274
/25:834 /26:1018 /27:722 /28:85 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
6389 2035 3198 bellsouth.net, inc.
6298 1977 2004 Cox Communicatons
209 1645 2881 Qwest
2386 1240 1562 AT&T Data Communications Serv
11492 1195 1214 Cable One
17488 1107 1300 Hathway IP Over Cable Interne
1785 1069 1454 AppliedTheory Corporation
4755 1042 1693 Videsh Sanchar Nigam Ltd. Aut
9583 1032 1176 Sify Limited
18566 1026 1045 Covad Communications

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

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

4:8 8:133 12:2100 13:2 14:1 15:22
16:3 17:5 18:13 20:35 24:1083 32:59
38:482 40:92 41:703 43:1 44:2 47:12
52:3 55:3 56:3 57:27 58:526 59:505
60:453 61:983 62:1198 63:2032 64:3211 65:2365
66:3426 67:1226 68:767 69:2280 70:863 71:131
72:2039 73:6 74:1101 75:165 76:307 77:757
78:817 79:225 80:979 81:844 82:605 83:379
84:573 85:982 86:399 87:707 88:338 89:1309
90:33 91:1417 92:243 93:766 94:109 96:54
97:50 98:307 99:3 114:90 115:40 116:941
117:331 118:195 119:459 120:73 121:587 122:816
123:375 124:893 125:1178 128:355 129:201 130:135
131:410 132:70 133:9 134:188 135:33 136:223
137:94 138:145 139:94 140:503 141:103 142:407
143:340 144:398 145:51 146:372 147:156 148:517
149:197 150:129 151:183 152:144 153:136 154:10
155:278 156:173 157:288 158:166 159:294 160:273
161:118 162:262 163:155 164:518 165:456 166:362
167:333 168:626 169:139 170:426 171:33 172:10
173:12 188:1 189:473 190:2121 192:5794 193:4126
194:3239 195:2554 196:1016 198:3728 199:3312 200:5579
201:1521 202:7683 203:8093 204:3953 205:2146 206:2369
207:2759 208:3489 209:3419 210:2607 211:1075 212:1425
213:1610 214:179 215:50 216:4375 217:1203 218:346
219:429 220:1060 221:455 222:310

End of report

cscora at apnic

Aug 22, 2008, 11:08 AM

Post #70 of 149 (7167 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 Aug, 2008

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

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

BGP routing table entries examined: 266564
Prefixes after maximum aggregation: 129847
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129767
Total ASes present in the Internet Routing Table: 29013
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25251
Origin ASes announcing only one prefix: 12229
Transit ASes present in the Internet Routing Table: 3762
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 571
Unregistered ASNs in the Routing Table: 212
Number of 32-bit ASNs allocated by the RIRs: 58
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 765
Number of addresses announced to Internet: 1893845344
Equivalent to 112 /8s, 225 /16s and 201 /24s
Percentage of available address space announced: 51.1
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.2
Total number of prefixes smaller than registry allocations: 130756

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

Prefixes being announced by APNIC Region ASes: 61188
Total APNIC prefixes after maximum aggregation: 22742
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58158
Unique aggregates announced from the APNIC address blocks: 26203
APNIC Region origin ASes present in the Internet Routing Table: 3337
APNIC Prefixes per ASN: 17.43
APNIC Region origin ASes announcing only one prefix: 879
APNIC Region transit ASes present in the Internet Routing Table: 514
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 372857376
Equivalent to 22 /8s, 57 /16s and 90 /24s
Percentage of available APNIC address space announced: 79.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 122269
Total ARIN prefixes after maximum aggregation: 65261
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91444
Unique aggregates announced from the ARIN address blocks: 34942
ARIN Region origin ASes present in the Internet Routing Table: 12396
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4764
ARIN Region transit ASes present in the Internet Routing Table: 1180
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 360765536
Equivalent to 21 /8s, 128 /16s and 216 /24s
Percentage of available ARIN address space announced: 74.1

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 57552
Total RIPE prefixes after maximum aggregation: 34846
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52673
Unique aggregates announced from the RIPE address blocks: 35376
RIPE Region origin ASes present in the Internet Routing Table: 11754
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6181
RIPE Region transit ASes present in the Internet Routing Table: 1797
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 369446912
Equivalent to 22 /8s, 5 /16s and 80 /24s
Percentage of available RIPE address space announced: 84.7

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 20959
Total LACNIC prefixes after maximum aggregation: 5284
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 19219
Unique aggregates announced from the LACNIC address blocks: 10731
LACNIC Region origin ASes present in the Internet Routing Table: 986
LACNIC Prefixes per ASN: 19.49
LACNIC Region origin ASes announcing only one prefix: 325
LACNIC Region transit ASes present in the Internet Routing Table: 168
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 54552832
Equivalent to 3 /8s, 64 /16s and 105 /24s
Percentage of available LACNIC address space announced: 54.2

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4024
Total AfriNIC prefixes after maximum aggregation: 1236
AfriNIC Deaggregation factor: 3.26
Prefixes being announced from the AfriNIC address blocks: 4368
Unique aggregates announced from the AfriNIC address blocks: 1935
AfriNIC Region origin ASes present in the Internet Routing Table: 250
AfriNIC Prefixes per ASN: 17.47
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 52
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12627712
Equivalent to 0 /8s, 192 /16s and 175 /24s
Percentage of available AfriNIC address space announced: 37.6

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1703 537 179 Videsh Sanchar Nigam Ltd. Aut
17488 1334 88 101 Hathway IP Over Cable Interne
9583 1184 93 496 Sify Limited
4766 868 6407 355 Korea Telecom (KIX)
4134 835 13521 338 CHINANET-BACKBONE
23577 823 35 698 Korea Telecom (ATM-MPLS)
4780 715 353 61 Digital United Inc.
18101 693 167 33 Reliance Infocom Ltd Internet
9498 675 291 54 BHARTI BT INTERNET LTD.
4808 618 1112 137 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 3200 3358 207 bellsouth.net, inc.
209 2881 3857 620 Qwest
6298 1981 319 726 Cox Communicatons
1785 1647 710 155 AppliedTheory Corporation
2386 1505 692 900 AT&T Data Communications Serv
4323 1495 1073 376 Time Warner Telecom
7018 1410 5816 983 AT&T WorldNet Services
11492 1214 151 22 Cable One
6478 1114 237 174 AT&T Worldnet Services
20115 1113 1080 576 Charter Communications

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
3292 414 1776 372 TDC Tele Danmark
3215 396 2756 106 France Telecom Transpac
8452 354 188 11 TEDATA
3301 333 1444 304 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 316 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 288 270 38 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
6746 270 126 244 Dynamic Network Technologies,

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 2592 225 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 563 270 14 VTR PUNTO NET S.A.
7303 477 235 67 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 409 118 72 Servicios Alestra S.A de C.V
10620 383 102 74 TVCABLE BOGOTA
14117 345 23 9 Telefonica del Sur S.A.
28573 325 440 28 NET Servicos de Comunicao 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
24863 497 64 29 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 273 857 226 The Internet Solution
2018 224 213 131 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 136 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 118 539 70 Telkom SA Ltd
33776 115 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system

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 3200 3358 207 bellsouth.net, inc.
209 2881 3857 620 Qwest
6298 1981 319 726 Cox Communicatons
4755 1703 537 179 Videsh Sanchar Nigam Ltd. Aut
1785 1647 710 155 AppliedTheory Corporation
8151 1520 2592 225 UniNet S.A. de C.V.
2386 1505 692 900 AT&T Data Communications Serv
4323 1495 1073 376 Time Warner Telecom
7018 1410 5816 983 AT&T WorldNet Services
17488 1334 88 101 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
209 2881 2261 Qwest
4755 1703 1524 Videsh Sanchar Nigam Ltd. Aut
1785 1647 1492 AppliedTheory Corporation
8151 1520 1295 UniNet S.A. de C.V.
6298 1981 1255 Cox Communicatons
17488 1334 1233 Hathway IP Over Cable Interne
11492 1214 1192 Cable One
4323 1495 1119 Time Warner Telecom
18566 1045 1035 Covad Communications
6478 1114 940 AT&T Worldnet Services

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
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.53.86.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.55.0.0/18 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
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 /8:18 /9:9 /10:17 /11:45 /12:146
/13:293 /14:530 /15:1058 /16:10041 /17:4382 /18:7591
/19:16021 /20:18706 /21:18315 /22:23079 /23:24200 /24:139428
/25:839 /26:1022 /27:718 /28:89 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
6389 2037 3200 bellsouth.net, inc.
6298 1954 1981 Cox Communicatons
209 1647 2881 Qwest
11492 1195 1214 Cable One
2386 1184 1505 AT&T Data Communications Serv
17488 1142 1334 Hathway IP Over Cable Interne
1785 1116 1647 AppliedTheory Corporation
4755 1043 1703 Videsh Sanchar Nigam Ltd. Aut
9583 1040 1184 Sify Limited
6478 1027 1114 AT&T Worldnet Services

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

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

4:8 8:134 12:2126 13:2 15:22 16:3
17:5 18:13 20:35 24:1085 32:59 38:496
40:92 41:700 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:529 59:512 60:453
61:983 62:1212 63:2052 64:3236 65:2362 66:3436
67:1228 68:776 69:2298 70:860 71:135 72:2012
73:6 74:1117 75:165 76:313 77:765 78:820
79:228 80:975 81:871 82:586 83:378 84:573
85:990 86:402 87:719 88:339 89:1314 90:34
91:1414 92:255 93:793 94:75 96:57 97:60
98:312 99:3 114:96 115:33 116:971 117:337
118:197 119:460 120:74 121:584 122:819 123:380
124:846 125:1186 128:353 129:202 130:135 131:409
132:70 133:9 134:188 135:33 136:223 137:94
138:141 139:93 140:506 141:103 142:406 143:311
144:404 145:51 146:373 147:156 148:517 149:199
150:128 151:183 152:144 153:136 154:10 155:281
156:171 157:288 158:165 159:251 160:272 161:131
162:264 163:156 164:517 165:458 166:361 167:332
168:623 169:141 170:430 171:33 172:10 173:16
188:1 189:488 190:2081 192:5800 193:4133 194:3251
195:2566 196:1025 198:3734 199:3307 200:5535 201:1523
202:7660 203:8074 204:3953 205:2149 206:2369 207:2759
208:3515 209:3435 210:2597 211:1079 212:1423 213:1619
214:180 215:50 216:4379 217:1205 218:345 219:429
220:1060 221:455 222:311

End of report

cscora at apnic

Aug 29, 2008, 11:08 AM

Post #71 of 149 (7102 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 Aug, 2008

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

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

BGP routing table entries examined: 267403
Prefixes after maximum aggregation: 129611
Deaggregation factor: 2.06
Unique aggregates announced to Internet: 130029
Total ASes present in the Internet Routing Table: 29086
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25321
Origin ASes announcing only one prefix: 12271
Transit ASes present in the Internet Routing Table: 3765
Transit-only ASes present in the Internet Routing Table: 83
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 584
Unregistered ASNs in the Routing Table: 211
Number of 32-bit ASNs allocated by the RIRs: 59
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 758
Number of addresses announced to Internet: 1895287072
Equivalent to 112 /8s, 247 /16s and 201 /24s
Percentage of available address space announced: 51.1
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.3
Total number of prefixes smaller than registry allocations: 131240

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

Prefixes being announced by APNIC Region ASes: 61349
Total APNIC prefixes after maximum aggregation: 22780
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 58289
Unique aggregates announced from the APNIC address blocks: 26196
APNIC Region origin ASes present in the Internet Routing Table: 3351
APNIC Prefixes per ASN: 17.39
APNIC Region origin ASes announcing only one prefix: 885
APNIC Region transit ASes present in the Internet Routing Table: 511
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 374332192
Equivalent to 22 /8s, 79 /16s and 219 /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
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 122481
Total ARIN prefixes after maximum aggregation: 64799
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91576
Unique aggregates announced from the ARIN address blocks: 35030
ARIN Region origin ASes present in the Internet Routing Table: 12412
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4782
ARIN Region transit ASes present in the Internet Routing Table: 1189
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 360803168
Equivalent to 21 /8s, 129 /16s and 107 /24s
Percentage of available ARIN address space announced: 74.2

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 57701
Total RIPE prefixes after maximum aggregation: 34980
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52817
Unique aggregates announced from the RIPE address blocks: 35529
RIPE Region origin ASes present in the Internet Routing Table: 11793
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6194
RIPE Region transit ASes present in the Internet Routing Table: 1795
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 370029760
Equivalent to 22 /8s, 14 /16s and 52 /24s
Percentage of available RIPE address space announced: 84.8

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 21248
Total LACNIC prefixes after maximum aggregation: 5325
LACNIC Deaggregation factor: 3.99
Prefixes being announced from the LACNIC address blocks: 19481
Unique aggregates announced from the LACNIC address blocks: 10795
LACNIC Region origin ASes present in the Internet Routing Table: 986
LACNIC Prefixes per ASN: 19.76
LACNIC Region origin ASes announcing only one prefix: 324
LACNIC Region transit ASes present in the Internet Routing Table: 167
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 54844416
Equivalent to 3 /8s, 68 /16s and 220 /24s
Percentage of available LACNIC address space announced: 54.5

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4039
Total AfriNIC prefixes after maximum aggregation: 1253
AfriNIC Deaggregation factor: 3.22
Prefixes being announced from the AfriNIC address blocks: 4386
Unique aggregates announced from the AfriNIC address blocks: 1910
AfriNIC Region origin ASes present in the Internet Routing Table: 252
AfriNIC Prefixes per ASN: 17.40
AfriNIC Region origin ASes announcing only one prefix: 86
AfriNIC Region transit ASes present in the Internet Routing Table: 54
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12647424
Equivalent to 0 /8s, 192 /16s and 252 /24s
Percentage of available AfriNIC address space announced: 37.7

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1712 538 180 Videsh Sanchar Nigam Ltd. Aut
17488 1370 89 104 Hathway IP Over Cable Interne
9583 1109 89 492 Sify Limited
4766 871 6407 357 Korea Telecom (KIX)
4134 838 13619 341 CHINANET-BACKBONE
23577 820 35 695 Korea Telecom (ATM-MPLS)
4780 712 353 61 Digital United Inc.
18101 694 167 31 Reliance Infocom Ltd Internet
9498 674 291 53 BHARTI BT INTERNET LTD.
4808 623 1108 136 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 4307 3416 344 bellsouth.net, inc.
209 2883 3873 617 Qwest
6298 2013 323 717 Cox Communicatons
1785 1649 710 156 AppliedTheory Corporation
2386 1559 691 900 AT&T Data Communications Serv
4323 1500 1073 374 Time Warner Telecom
20115 1478 1194 670 Charter Communications
7018 1409 5785 978 AT&T WorldNet Services
11492 1211 151 22 Cable One
6478 1134 239 187 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
3292 414 1776 372 TDC Tele Danmark
3215 396 2756 106 France Telecom Transpac
8452 358 188 11 TEDATA
3301 334 1444 305 TeliaNet Sweden
3320 323 7047 271 Deutsche Telekom AG
8866 317 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 288 270 38 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
8708 267 422 252 Romania Data Systems S.A.

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 1589 2606 230 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 477 235 67 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 421 85 48 ENTEL CHILE S.A.
10620 411 102 71 TVCABLE BOGOTA
11172 409 118 73 Servicios Alestra S.A de C.V
14117 345 23 9 Telefonica del Sur S.A.
28573 338 440 29 NET Servicos de Comunicao 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
24863 508 65 36 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 266 855 223 The Internet Solution
2018 229 214 135 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 136 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
33776 119 6 3 Starcomms Nigeria Limited
5713 118 539 70 Telkom SA Ltd
29571 107 13 8 Ci Telecom Autonomous system

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 4307 3416 344 bellsouth.net, inc.
209 2883 3873 617 Qwest
6298 2013 323 717 Cox Communicatons
4755 1712 538 180 Videsh Sanchar Nigam Ltd. Aut
1785 1649 710 156 AppliedTheory Corporation
8151 1589 2606 230 UniNet S.A. de C.V.
2386 1559 691 900 AT&T Data Communications Serv
4323 1500 1073 374 Time Warner Telecom
20115 1478 1194 670 Charter Communications
7018 1409 5785 978 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
209 2883 2266 Qwest
4755 1712 1532 Videsh Sanchar Nigam Ltd. Aut
1785 1649 1493 AppliedTheory Corporation
8151 1589 1359 UniNet S.A. de C.V.
6298 2013 1296 Cox Communicatons
17488 1370 1266 Hathway IP Over Cable Interne
11492 1211 1189 Cable One
4323 1500 1126 Time Warner Telecom
18566 1045 1035 Covad Communications
6478 1134 947 AT&T Worldnet Services

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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.
63.143.251.0/24 22555 Universal Talkware Corporatio

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 /8:18 /9:9 /10:17 /11:45 /12:146
/13:292 /14:527 /15:1062 /16:10057 /17:4376 /18:7622
/19:16077 /20:18755 /21:18407 /22:23185 /23:24242 /24:139894
/25:834 /26:1022 /27:722 /28:77 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
6389 2861 4307 bellsouth.net, inc.
6298 1986 2013 Cox Communicatons
209 1652 2883 Qwest
2386 1237 1559 AT&T Data Communications Serv
11492 1192 1211 Cable One
17488 1178 1370 Hathway IP Over Cable Interne
1785 1118 1649 AppliedTheory Corporation
4755 1049 1712 Videsh Sanchar Nigam Ltd. Aut
6478 1027 1134 AT&T Worldnet Services
18566 1026 1045 Covad Communications

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

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

4:8 8:136 12:2135 13:2 15:22 16:3
17:5 18:13 20:35 24:1082 32:59 38:488
40:92 41:714 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:526 59:510 60:452
61:965 62:1209 63:2047 64:3231 65:2367 66:3453
67:1227 68:782 69:2289 70:868 71:132 72:2024
73:6 74:1127 75:170 76:314 77:769 78:801
79:243 80:977 81:871 82:583 83:374 84:574
85:982 86:401 87:717 88:339 89:1321 90:37
91:1428 92:251 93:808 94:111 96:62 97:65
98:317 99:6 114:92 115:41 116:1000 117:342
118:195 119:480 120:83 121:587 122:821 123:398
124:835 125:1194 128:356 129:202 130:134 131:413
132:70 133:9 134:188 135:34 136:223 137:97
138:141 139:94 140:507 141:103 142:407 143:312
144:411 145:51 146:372 147:157 148:513 149:202
150:127 151:180 152:145 153:136 154:10 155:278
156:174 157:299 158:163 159:299 160:274 161:136
162:256 163:158 164:515 165:490 166:365 167:332
168:628 169:142 170:429 171:33 172:10 173:33
188:1 189:549 190:2114 192:5799 193:4145 194:3251
195:2576 196:1025 198:3734 199:3313 200:5555 201:1527
202:7630 203:8095 204:3946 205:2157 206:2371 207:2758
208:3526 209:3431 210:2600 211:1088 212:1436 213:1613
214:178 215:50 216:4385 217:1207 218:346 219:429
220:1063 221:427 222:313

End of report

cscora at apnic

Sep 5, 2008, 11:13 AM

Post #72 of 149 (7063 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 Sep, 2008

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

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

BGP routing table entries examined: 267551
Prefixes after maximum aggregation: 129558
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 130250
Total ASes present in the Internet Routing Table: 29147
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25360
Origin ASes announcing only one prefix: 12310
Transit ASes present in the Internet Routing Table: 3787
Transit-only ASes present in the Internet Routing Table: 83
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 568
Unregistered ASNs in the Routing Table: 211
Number of 32-bit ASNs allocated by the RIRs: 59
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 761
Number of addresses announced to Internet: 1897392032
Equivalent to 113 /8s, 23 /16s and 231 /24s
Percentage of available address space announced: 51.2
Percentage of allocated address space announced: 62.2
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.4
Total number of prefixes smaller than registry allocations: 131274

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

Prefixes being announced by APNIC Region ASes: 61606
Total APNIC prefixes after maximum aggregation: 22776
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 58521
Unique aggregates announced from the APNIC address blocks: 26310
APNIC Region origin ASes present in the Internet Routing Table: 3366
APNIC Prefixes per ASN: 17.39
APNIC Region origin ASes announcing only one prefix: 900
APNIC Region transit ASes present in the Internet Routing Table: 526
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 375010592
Equivalent to 22 /8s, 90 /16s and 53 /24s
Percentage of available APNIC address space announced: 79.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 122144
Total ARIN prefixes after maximum aggregation: 64686
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91338
Unique aggregates announced from the ARIN address blocks: 35015
ARIN Region origin ASes present in the Internet Routing Table: 12424
ARIN Prefixes per ASN: 7.35
ARIN Region origin ASes announcing only one prefix: 4790
ARIN Region transit ASes present in the Internet Routing Table: 1186
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 360988896
Equivalent to 21 /8s, 132 /16s and 64 /24s
Percentage of available ARIN address space announced: 74.2

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 57792
Total RIPE prefixes after maximum aggregation: 35026
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52942
Unique aggregates announced from the RIPE address blocks: 35549
RIPE Region origin ASes present in the Internet Routing Table: 11818
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6203
RIPE Region transit ASes present in the Internet Routing Table: 1806
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 371067328
Equivalent to 22 /8s, 30 /16s and 9 /24s
Percentage of available RIPE address space announced: 85.1

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 21370
Total LACNIC prefixes after maximum aggregation: 5344
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 19602
Unique aggregates announced from the LACNIC address blocks: 10867
LACNIC Region origin ASes present in the Internet Routing Table: 992
LACNIC Prefixes per ASN: 19.76
LACNIC Region origin ASes announcing only one prefix: 327
LACNIC Region transit ASes present in the Internet Routing Table: 166
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 55077376
Equivalent to 3 /8s, 72 /16s and 106 /24s
Percentage of available LACNIC address space announced: 54.7

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4072
Total AfriNIC prefixes after maximum aggregation: 1255
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4387
Unique aggregates announced from the AfriNIC address blocks: 1967
AfriNIC Region origin ASes present in the Internet Routing Table: 258
AfriNIC Prefixes per ASN: 17.00
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 12672768
Equivalent to 0 /8s, 193 /16s and 95 /24s
Percentage of available AfriNIC address space announced: 37.8

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1715 538 181 Videsh Sanchar Nigam Ltd. Aut
17488 1372 90 102 Hathway IP Over Cable Interne
9583 1147 89 495 Sify Limited
4766 873 6407 357 Korea Telecom (KIX)
4134 841 13651 345 CHINANET-BACKBONE
23577 820 35 695 Korea Telecom (ATM-MPLS)
18101 715 167 29 Reliance Infocom Ltd Internet
4780 714 353 61 Digital United Inc.
9498 677 291 52 BHARTI BT INTERNET LTD.
4808 629 1156 138 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 4292 3416 337 bellsouth.net, inc.
209 2904 3873 618 Qwest
6298 1973 315 759 Cox Communicatons
1785 1651 710 156 AppliedTheory Corporation
20115 1568 1260 703 Charter Communications
2386 1560 691 899 AT&T Data Communications Serv
4323 1506 1073 375 Time Warner Telecom
7018 1399 5782 975 AT&T WorldNet Services
11492 1211 151 18 Cable One
6478 1140 239 181 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
3292 416 1776 373 TDC Tele Danmark
3301 334 1444 305 TeliaNet Sweden
8452 328 188 11 TEDATA
3215 327 2756 106 France Telecom Transpac
3320 326 7063 274 Deutsche Telekom AG
30890 322 87 176 SC Kappa Invexim SRL
8866 316 77 21 Bulgarian Telecommunication C
5462 296 794 27 Telewest Broadband
8551 287 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN

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 1594 2608 228 UniNet S.A. de C.V.
11830 664 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 485 239 67 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
10620 422 103 62 TVCABLE BOGOTA
6471 421 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
14117 345 23 9 Telefonica del Sur S.A.
28573 337 441 29 NET Servicos de Comunicao 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
24863 515 65 36 LINKdotNET AS number
20858 402 34 3 EgyNet
3741 265 855 223 The Internet Solution
2018 233 214 138 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 137 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
33776 119 6 3 Starcomms Nigeria Limited
5713 118 555 68 Telkom SA Ltd
29571 107 13 8 Ci Telecom Autonomous system

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 4292 3416 337 bellsouth.net, inc.
209 2904 3873 618 Qwest
6298 1973 315 759 Cox Communicatons
4755 1715 538 181 Videsh Sanchar Nigam Ltd. Aut
1785 1651 710 156 AppliedTheory Corporation
8151 1594 2608 228 UniNet S.A. de C.V.
20115 1568 1260 703 Charter Communications
2386 1560 691 899 AT&T Data Communications Serv
4323 1506 1073 375 Time Warner Telecom
7018 1399 5782 975 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
209 2904 2286 Qwest
4755 1715 1534 Videsh Sanchar Nigam Ltd. Aut
1785 1651 1495 AppliedTheory Corporation
8151 1594 1366 UniNet S.A. de C.V.
17488 1372 1270 Hathway IP Over Cable Interne
6298 1973 1214 Cox Communicatons
11492 1211 1193 Cable One
4323 1506 1131 Time Warner Telecom
18566 1048 1038 Covad Communications
6478 1140 959 AT&T Worldnet Services

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
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.

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 /8:18 /9:9 /10:17 /11:45 /12:146
/13:293 /14:527 /15:1060 /16:10060 /17:4380 /18:7636
/19:16082 /20:18794 /21:18490 /22:23203 /23:24269 /24:139965
/25:772 /26:940 /27:739 /28:89 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
6389 2851 4292 bellsouth.net, inc.
6298 1948 1973 Cox Communicatons
209 1671 2904 Qwest
2386 1238 1560 AT&T Data Communications Serv
11492 1192 1211 Cable One
17488 1180 1372 Hathway IP Over Cable Interne
1785 1121 1651 AppliedTheory Corporation
4755 1050 1715 Videsh Sanchar Nigam Ltd. Aut
6478 1033 1140 AT&T Worldnet Services
18566 1029 1048 Covad Communications

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

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

4:8 8:137 12:2147 13:2 15:22 16:3
17:5 18:13 20:35 24:1087 32:59 38:490
40:92 41:721 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:526 59:518 60:453
61:961 62:1223 63:2046 64:3210 65:2358 66:3458
67:1230 68:774 69:2297 70:845 71:169 72:2028
73:6 74:1135 75:170 76:274 77:791 78:799
79:318 80:949 81:833 82:573 83:369 84:574
85:972 86:399 87:714 88:337 89:1325 90:20
91:1446 92:254 93:817 94:132 96:63 97:68
98:323 99:7 114:96 115:42 116:1018 117:355
118:237 119:483 120:84 121:587 122:837 123:400
124:853 125:1193 128:356 129:201 130:134 131:410
132:70 133:9 134:178 135:34 136:223 137:93
138:141 139:93 140:508 141:102 142:407 143:289
144:362 145:51 146:371 147:157 148:514 149:206
150:128 151:181 152:145 153:136 154:10 155:284
156:175 157:297 158:163 159:301 160:273 161:139
162:254 163:155 164:516 165:497 166:367 167:331
168:629 169:143 170:431 171:33 172:10 173:33
188:1 189:593 190:2099 192:5791 193:4142 194:3250
195:2579 196:995 198:3735 199:3307 200:5588 201:1525
202:7681 203:8069 204:3935 205:2144 206:2350 207:2738
208:3536 209:3425 210:2602 211:1089 212:1420 213:1621
214:178 215:50 216:4365 217:1212 218:347 219:436
220:1061 221:426 222:315

End of report

cscora at apnic

Sep 12, 2008, 11:08 AM

Post #73 of 149 (6999 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 Sep, 2008

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

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

BGP routing table entries examined: 268412
Prefixes after maximum aggregation: 129628
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 130442
Total ASes present in the Internet Routing Table: 29220
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 25414
Origin ASes announcing only one prefix: 12361
Transit ASes present in the Internet Routing Table: 3806
Transit-only ASes present in the Internet Routing Table: 87
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 561
Unregistered ASNs in the Routing Table: 209
Number of 32-bit ASNs allocated by the RIRs: 60
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 767
Number of addresses announced to Internet: 1916473632
Equivalent to 114 /8s, 59 /16s and 17 /24s
Percentage of available address space announced: 51.7
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.5
Total number of prefixes smaller than registry allocations: 131675

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

Prefixes being announced by APNIC Region ASes: 62162
Total APNIC prefixes after maximum aggregation: 22841
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 59072
Unique aggregates announced from the APNIC address blocks: 26366
APNIC Region origin ASes present in the Internet Routing Table: 3375
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 908
APNIC Region transit ASes present in the Internet Routing Table: 531
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 376051488
Equivalent to 22 /8s, 106 /16s and 23 /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
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 121875
Total ARIN prefixes after maximum aggregation: 64530
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91148
Unique aggregates announced from the ARIN address blocks: 34980
ARIN Region origin ASes present in the Internet Routing Table: 12439
ARIN Prefixes per ASN: 7.33
ARIN Region origin ASes announcing only one prefix: 4806
ARIN Region transit ASes present in the Internet Routing Table: 1193
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 361286880
Equivalent to 21 /8s, 136 /16s and 204 /24s
Percentage of available ARIN address space announced: 74.3

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 58112
Total RIPE prefixes after maximum aggregation: 35166
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 53245
Unique aggregates announced from the RIPE address blocks: 35726
RIPE Region origin ASes present in the Internet Routing Table: 11863
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 6234
RIPE Region transit ASes present in the Internet Routing Table: 1805
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 371846720
Equivalent to 22 /8s, 41 /16s and 238 /24s
Percentage of available RIPE address space announced: 85.2

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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 21616
Total LACNIC prefixes after maximum aggregation: 5369
LACNIC Deaggregation factor: 4.03
Prefixes being announced from the LACNIC address blocks: 19815
Unique aggregates announced from the LACNIC address blocks: 10925
LACNIC Region origin ASes present in the Internet Routing Table: 997
LACNIC Prefixes per ASN: 19.87
LACNIC Region origin ASes announcing only one prefix: 330
LACNIC Region transit ASes present in the Internet Routing Table: 171
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 55251968
Equivalent to 3 /8s, 75 /16s and 20 /24s
Percentage of available LACNIC address space announced: 54.9

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4086
Total AfriNIC prefixes after maximum aggregation: 1260
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4403
Unique aggregates announced from the AfriNIC address blocks: 2012
AfriNIC Region origin ASes present in the Internet Routing Table: 256
AfriNIC Prefixes per ASN: 17.20
AfriNIC Region origin ASes announcing only one prefix: 83
AfriNIC Region transit ASes present in the Internet Routing Table: 53
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12717312
Equivalent to 0 /8s, 194 /16s and 13 /24s
Percentage of available AfriNIC address space announced: 37.9

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1718 538 181 Videsh Sanchar Nigam Ltd. Aut
17488 1378 93 98 Hathway IP Over Cable Interne
9583 1146 89 487 Sify Limited
4766 876 6408 360 Korea Telecom (KIX)
4134 841 13651 345 CHINANET-BACKBONE
23577 818 34 693 Korea Telecom (ATM-MPLS)
18101 766 152 51 Reliance Infocom Ltd Internet
4780 714 353 61 Digital United Inc.
9498 676 291 54 BHARTI BT INTERNET LTD.
4808 629 1156 138 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 4298 3416 339 bellsouth.net, inc.
209 2918 3873 620 Qwest
6298 1965 314 757 Cox Communicatons
20115 1677 1414 719 Charter Communications
1785 1653 710 156 AppliedTheory Corporation
2386 1555 691 895 AT&T Data Communications Serv
4323 1520 1073 375 Time Warner Telecom
7018 1405 5801 974 AT&T WorldNet Services
11492 1210 151 19 Cable One
6478 1155 240 185 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
3292 420 1777 377 TDC Tele Danmark
3301 334 1460 305 TeliaNet Sweden
8452 328 188 11 TEDATA
3215 327 2756 106 France Telecom Transpac
3320 326 7063 274 Deutsche Telekom AG
30890 323 87 176 SC Kappa Invexim SRL
8866 317 77 21 Bulgarian Telecommunication C
5462 296 794 27 Telewest Broadband
8551 286 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN

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 1604 2607 222 UniNet S.A. de C.V.
11830 667 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 486 239 67 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
10620 424 104 62 TVCABLE BOGOTA
6471 420 85 48 ENTEL CHILE S.A.
11172 409 118 72 Servicios Alestra S.A de C.V
28573 350 442 29 NET Servicos de Comunicao S.A
14117 345 23 9 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
24863 512 67 32 LINKdotNET AS number
20858 403 34 3 EgyNet
3741 265 855 223 The Internet Solution
2018 231 214 138 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 137 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 118 555 68 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system

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 4298 3416 339 bellsouth.net, inc.
209 2918 3873 620 Qwest
6298 1965 314 757 Cox Communicatons
4755 1718 538 181 Videsh Sanchar Nigam Ltd. Aut
20115 1677 1414 719 Charter Communications
1785 1653 710 156 AppliedTheory Corporation
8151 1604 2607 222 UniNet S.A. de C.V.
2386 1555 691 895 AT&T Data Communications Serv
4323 1520 1073 375 Time Warner Telecom
7018 1405 5801 974 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
209 2918 2298 Qwest
4755 1718 1537 Videsh Sanchar Nigam Ltd. Aut
1785 1653 1497 AppliedTheory Corporation
8151 1604 1382 UniNet S.A. de C.V.
17488 1378 1280 Hathway IP Over Cable Interne
6298 1965 1208 Cox Communicatons
11492 1210 1191 Cable One
4323 1520 1145 Time Warner Telecom
18566 1048 1038 Covad Communications
6478 1155 970 AT&T Worldnet Services

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
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.

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 /9:9 /10:17 /11:45 /12:146
/13:294 /14:525 /15:1069 /16:10073 /17:4381 /18:7696
/19:16085 /20:19021 /21:18546 /22:23244 /23:24388 /24:140269
/25:784 /26:948 /27:747 /28:89 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
6389 2851 4298 bellsouth.net, inc.
6298 1940 1965 Cox Communicatons
209 1684 2918 Qwest
2386 1232 1555 AT&T Data Communications Serv
11492 1191 1210 Cable One
17488 1185 1378 Hathway IP Over Cable Interne
1785 1122 1653 AppliedTheory Corporation
4755 1053 1718 Videsh Sanchar Nigam Ltd. Aut
6478 1048 1155 AT&T Worldnet Services
18566 1029 1048 Covad Communications

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

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

4:8 8:139 12:2140 13:2 15:21 16:3
17:5 18:13 20:35 24:1089 32:59 38:493
40:92 41:725 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:525 59:517 60:451
61:969 62:1213 63:2039 64:3193 65:2375 66:3454
67:1228 68:774 69:2274 70:844 71:164 72:1990
73:7 74:1150 75:164 76:265 77:793 78:824
79:265 80:947 81:833 82:580 83:366 84:575
85:1021 86:400 87:714 88:335 89:1360 90:21
91:1480 92:262 93:819 94:140 96:65 97:77
98:315 99:8 114:97 115:44 116:1015 117:362
118:243 119:488 120:83 121:591 122:845 123:438
124:853 125:1194 128:356 129:201 130:134 131:411
132:70 133:9 134:178 135:32 136:223 137:93
138:140 139:81 140:505 141:102 142:408 143:306
144:363 145:51 146:370 147:157 148:517 149:207
150:128 151:182 152:146 153:136 154:10 155:283
156:175 157:299 158:162 159:302 160:274 161:139
162:253 163:155 164:516 165:494 166:364 167:331
168:632 169:143 170:438 171:33 172:10 173:33
186:1 187:1 188:1 189:610 190:2210 192:5707
193:4145 194:3252 195:2573 196:996 198:3725 199:3294
200:5592 201:1528 202:7841 203:8071 204:3931 205:2120
206:2354 207:2738 208:3577 209:3421 210:2600 211:1093
212:1427 213:1625 214:179 215:50 216:4333 217:1213
218:346 219:437 220:1060 221:426 222:316

End of report

cscora at apnic

Sep 19, 2008, 11:09 AM

Post #74 of 149 (6955 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 20 Sep, 2008

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

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

BGP routing table entries examined: 269427
Prefixes after maximum aggregation: 129901
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 131012
Total ASes present in the Internet Routing Table: 29274
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 25443
Origin ASes announcing only one prefix: 12385
Transit ASes present in the Internet Routing Table: 3831
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 558
Unregistered ASNs in the Routing Table: 209
Number of 32-bit ASNs allocated by the RIRs: 60
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 755
Number of addresses announced to Internet: 1921880352
Equivalent to 114 /8s, 141 /16s and 145 /24s
Percentage of available address space announced: 51.9
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.6
Total number of prefixes smaller than registry allocations: 132145

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

Prefixes being announced by APNIC Region ASes: 62233
Total APNIC prefixes after maximum aggregation: 22899
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 59152
Unique aggregates announced from the APNIC address blocks: 26429
APNIC Region origin ASes present in the Internet Routing Table: 3387
APNIC Prefixes per ASN: 17.46
APNIC Region origin ASes announcing only one prefix: 905
APNIC Region transit ASes present in the Internet Routing Table: 537
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 376338720
Equivalent to 22 /8s, 110 /16s and 121 /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
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 122394
Total ARIN prefixes after maximum aggregation: 64619
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91649
Unique aggregates announced from the ARIN address blocks: 35095
ARIN Region origin ASes present in the Internet Routing Table: 12444
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4804
ARIN Region transit ASes present in the Internet Routing Table: 1200
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 364358112
Equivalent to 21 /8s, 183 /16s and 169 /24s
Percentage of available ARIN address space announced: 74.9

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 58324
Total RIPE prefixes after maximum aggregation: 35258
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 53463
Unique aggregates announced from the RIPE address blocks: 35860
RIPE Region origin ASes present in the Internet Routing Table: 11903
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 6267
RIPE Region transit ASes present in the Internet Routing Table: 1815
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 372326720
Equivalent to 22 /8s, 49 /16s and 65 /24s
Percentage of available RIPE address space announced: 85.4

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, 47104-49151
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 21824
Total LACNIC prefixes after maximum aggregation: 5394
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 20024
Unique aggregates announced from the LACNIC address blocks: 11116
LACNIC Region origin ASes present in the Internet Routing Table: 998
LACNIC Prefixes per ASN: 20.06
LACNIC Region origin ASes announcing only one prefix: 329
LACNIC Region transit ASes present in the Internet Routing Table: 172
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 56720896
Equivalent to 3 /8s, 97 /16s and 126 /24s
Percentage of available LACNIC address space announced: 56.3

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4094
Total AfriNIC prefixes after maximum aggregation: 1267
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4413
Unique aggregates announced from the AfriNIC address blocks: 2040
AfriNIC Region origin ASes present in the Internet Routing Table: 257
AfriNIC Prefixes per ASN: 17.17
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 54
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 12729088
Equivalent to 0 /8s, 194 /16s and 59 /24s
Percentage of available AfriNIC address space announced: 37.9

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1721 538 181 Videsh Sanchar Nigam Ltd. Aut
17488 1384 94 101 Hathway IP Over Cable Interne
9583 1107 86 472 Sify Limited
4766 875 6407 359 Korea Telecom (KIX)
4134 842 13651 345 CHINANET-BACKBONE
23577 819 35 695 Korea Telecom (ATM-MPLS)
18101 766 152 51 Reliance Infocom Ltd Internet
4780 715 353 61 Digital United Inc.
9498 677 291 54 BHARTI BT INTERNET LTD.
4808 629 1156 138 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 4292 3416 339 bellsouth.net, inc.
209 2927 4001 618 Qwest
6298 1980 316 736 Cox Communicatons
20115 1689 1428 713 Charter Communications
1785 1656 710 156 AppliedTheory Corporation
2386 1550 691 892 AT&T Data Communications Serv
4323 1516 1065 368 Time Warner Telecom
7018 1402 5802 973 AT&T WorldNet Services
11492 1217 152 11 Cable One
6478 1169 241 185 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
3292 421 1777 378 TDC Tele Danmark
3301 332 1444 303 TeliaNet Sweden
30890 329 87 175 SC Kappa Invexim SRL
3215 327 2756 106 France Telecom Transpac
3320 324 7063 273 Deutsche Telekom AG
8866 319 77 21 Bulgarian Telecommunication C
8452 316 188 11 TEDATA
5462 296 794 27 Telewest Broadband
8551 287 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN

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 1739 2877 226 UniNet S.A. de C.V.
11830 668 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 490 241 70 Telecom Argentina Stet-France
10620 429 105 60 TVCABLE BOGOTA
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 409 118 72 Servicios Alestra S.A de C.V
28573 351 443 28 NET Servicos de Comunicao S.A
14117 345 23 9 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
24863 516 67 32 LINKdotNET AS number
20858 403 34 3 EgyNet
3741 265 855 223 The Internet Solution
2018 232 215 139 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 137 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 118 555 68 Telkom SA Ltd
33776 115 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system

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 4292 3416 339 bellsouth.net, inc.
209 2927 4001 618 Qwest
6298 1980 316 736 Cox Communicatons
8151 1739 2877 226 UniNet S.A. de C.V.
4755 1721 538 181 Videsh Sanchar Nigam Ltd. Aut
20115 1689 1428 713 Charter Communications
1785 1656 710 156 AppliedTheory Corporation
2386 1550 691 892 AT&T Data Communications Serv
4323 1516 1065 368 Time Warner Telecom
7018 1402 5802 973 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
209 2927 2309 Qwest
4755 1721 1540 Videsh Sanchar Nigam Ltd. Aut
8151 1739 1513 UniNet S.A. de C.V.
1785 1656 1500 AppliedTheory Corporation
17488 1384 1283 Hathway IP Over Cable Interne
6298 1980 1244 Cox Communicatons
11492 1217 1206 Cable One
4323 1516 1148 Time Warner Telecom
18566 1049 1039 Covad Communications
6478 1169 984 AT&T Worldnet Services

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
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic

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

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

Network Origin AS Description
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.

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 /9:9 /10:17 /11:45 /12:147
/13:294 /14:529 /15:1072 /16:10090 /17:4390 /18:7733
/19:16281 /20:19082 /21:18612 /22:23366 /23:24446 /24:140670
/25:791 /26:968 /27:760 /28:89 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
6389 2846 4292 bellsouth.net, inc.
6298 1955 1980 Cox Communicatons
209 1690 2927 Qwest
2386 1231 1550 AT&T Data Communications Serv
11492 1193 1217 Cable One
17488 1191 1384 Hathway IP Over Cable Interne
1785 1125 1656 AppliedTheory Corporation
6478 1062 1169 AT&T Worldnet Services
4755 1057 1721 Videsh Sanchar Nigam Ltd. Aut
18566 1030 1049 Covad Communications

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

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

4:8 8:139 12:2145 13:2 15:20 16:3
17:5 18:13 20:35 24:1087 32:59 38:494
40:91 41:723 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:527 59:520 60:451
61:950 62:1224 63:2033 64:3215 65:2381 66:3478
67:1243 68:780 69:2308 70:848 71:171 72:2026
73:7 74:1183 75:166 76:265 77:780 78:831
79:256 80:948 81:852 82:584 83:372 84:577
85:1018 86:399 87:713 88:336 89:1354 90:21
91:1497 92:264 93:836 94:147 96:65 97:80
98:321 99:8 114:105 115:47 116:987 117:365
118:229 119:500 120:86 121:593 122:853 123:443
124:857 125:1194 128:357 129:201 130:134 131:411
132:70 133:9 134:178 135:32 136:223 137:96
138:142 139:92 140:503 141:102 142:408 143:300
144:325 145:51 146:370 147:156 148:516 149:209
150:128 151:181 152:147 153:136 154:10 155:281
156:175 157:299 158:170 159:300 160:275 161:137
162:255 163:150 164:515 165:499 166:367 167:331
168:631 169:143 170:444 171:33 172:10 173:33
186:1 187:10 188:1 189:608 190:2262 192:5751
193:4144 194:3259 195:2579 196:996 198:3724 199:3297
200:5566 201:1505 202:7851 203:8093 204:3946 205:2136
206:2356 207:2731 208:3600 209:3411 210:2604 211:1088
212:1453 213:1622 214:178 215:50 216:4357 217:1213
218:345 219:437 220:1064 221:415 222:314

End of report

cscora at apnic

Sep 26, 2008, 11:09 AM

Post #75 of 149 (6869 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 27 Sep, 2008

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

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

BGP routing table entries examined: 269646
Prefixes after maximum aggregation: 130166
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 131386
Total ASes present in the Internet Routing Table: 29358
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25526
Origin ASes announcing only one prefix: 12442
Transit ASes present in the Internet Routing Table: 3832
Transit-only ASes present in the Internet Routing Table: 87
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 561
Unregistered ASNs in the Routing Table: 205
Number of 32-bit ASNs allocated by the RIRs: 60
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 750
Number of addresses announced to Internet: 1908123392
Equivalent to 113 /8s, 187 /16s and 167 /24s
Percentage of available address space announced: 51.5
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.6
Total number of prefixes smaller than registry allocations: 132238

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

Prefixes being announced by APNIC Region ASes: 62392
Total APNIC prefixes after maximum aggregation: 23007
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 59284
Unique aggregates announced from the APNIC address blocks: 26672
APNIC Region origin ASes present in the Internet Routing Table: 3394
APNIC Prefixes per ASN: 17.47
APNIC Region origin ASes announcing only one prefix: 911
APNIC Region transit ASes present in the Internet Routing Table: 540
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 377913312
Equivalent to 22 /8s, 134 /16s and 127 /24s
Percentage of available APNIC address space announced: 80.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 122559
Total ARIN prefixes after maximum aggregation: 64697
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91822
Unique aggregates announced from the ARIN address blocks: 35181
ARIN Region origin ASes present in the Internet Routing Table: 12484
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4833
ARIN Region transit ASes present in the Internet Routing Table: 1194
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 364411872
Equivalent to 21 /8s, 184 /16s and 123 /24s
Percentage of available ARIN address space announced: 74.9

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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,

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

Prefixes being announced by RIPE Region ASes: 58577
Total RIPE prefixes after maximum aggregation: 35374
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 53728
Unique aggregates announced from the RIPE address blocks: 35985
RIPE Region origin ASes present in the Internet Routing Table: 11935
RIPE Prefixes per ASN: 4.50
RIPE Region origin ASes announcing only one prefix: 6284
RIPE Region transit ASes present in the Internet Routing Table: 1823
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 373446752
Equivalent to 22 /8s, 66 /16s and 88 /24s
Percentage of available RIPE address space announced: 85.6

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, 47104-49151
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 21455
Total LACNIC prefixes after maximum aggregation: 5370
LACNIC Deaggregation factor: 4.00
Prefixes being announced from the LACNIC address blocks: 19570
Unique aggregates announced from the LACNIC address blocks: 11038
LACNIC Region origin ASes present in the Internet Routing Table: 1002
LACNIC Prefixes per ASN: 19.53
LACNIC Region origin ASes announcing only one prefix: 330
LACNIC Region transit ASes present in the Internet Routing Table: 170
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 56803328
Equivalent to 3 /8s, 98 /16s and 192 /24s
Percentage of available LACNIC address space announced: 56.4

LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4103
Total AfriNIC prefixes after maximum aggregation: 1272
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4412
Unique aggregates announced from the AfriNIC address blocks: 2035
AfriNIC Region origin ASes present in the Internet Routing Table: 260
AfriNIC Prefixes per ASN: 16.97
AfriNIC Region origin ASes announcing only one prefix: 84
AfriNIC Region transit ASes present in the Internet Routing Table: 53
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 12755200
Equivalent to 0 /8s, 194 /16s and 161 /24s
Percentage of available AfriNIC address space announced: 38.0

AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,

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

ASN No of nets /20 equiv MaxAgg Description
4755 1639 535 179 TATA Communications formerly
17488 1392 94 101 Hathway IP Over Cable Interne
9583 1109 86 475 Sify Limited
4766 876 6407 359 Korea Telecom (KIX)
4134 839 13665 343 CHINANET-BACKBONE
23577 811 34 691 Korea Telecom (ATM-MPLS)
18101 776 161 62 Reliance Infocom Ltd Internet
4780 717 353 61 Digital United Inc.
9498 679 295 56 BHARTI BT INTERNET LTD.
4808 626 1156 138 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 4293 3416 339 bellsouth.net, inc.
209 2942 4017 621 Qwest
6298 1997 318 731 Cox Communicatons
20115 1682 1421 712 Charter Communications
1785 1663 717 154 PaeTec Communications, Inc.
2386 1551 691 894 AT&T Data Communications Serv
4323 1519 1067 369 Time Warner Telecom
7018 1408 5794 978 AT&T WorldNet Services
11492 1212 152 11 Cable One
6478 1188 241 189 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
3292 423 1777 378 TDC Tele Danmark
3301 330 1428 301 TeliaNet Sweden
30890 330 87 175 SC Kappa Invexim SRL
3215 328 2756 107 France Telecom Transpac
3320 324 7063 273 Deutsche Telekom AG
8866 321 79 22 Bulgarian Telecommunication C
8452 316 188 11 TEDATA
5462 299 794 26 Telewest Broadband
8551 287 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN

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 1412 2847 223 UniNet S.A. de C.V.
11830 668 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 492 241 70 Telecom Argentina Stet-France
10620 433 106 62 TVCABLE BOGOTA
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
28573 351 444 22 NET Servicos de Comunicao S.A
14117 343 23 9 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
24863 543 71 41 LINKdotNET AS number
20858 401 34 3 EgyNet
3741 265 855 223 The Internet Solution
2018 232 215 139 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
5536 120 8 17 Internet Egypt Network
5713 119 555 69 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system
33783 91 10 9 EEPAD TISP TELECOM & INTERNET

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 4293 3416 339 bellsouth.net, inc.
209 2942 4017 621 Qwest
6298 1997 318 731 Cox Communicatons
20115 1682 1421 712 Charter Communications
1785 1663 717 154 PaeTec Communications, Inc.
4755 1639 535 179 TATA Communications formerly
2386 1551 691 894 AT&T Data Communications Serv
4323 1519 1067 369 Time Warner Telecom
8151 1412 2847 223 UniNet S.A. de C.V.
7018 1408 5794 978 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
209 2942 2321 Qwest
1785 1663 1509 PaeTec Communications, Inc.
4755 1639 1460 TATA Communications formerly
17488 1392 1291 Hathway IP Over Cable Interne
6298 1997 1266 Cox Communicatons
11492 1212 1201 Cable One
8151 1412 1189 UniNet S.A. de C.V.
4323 1519 1150 Time Warner Telecom
18566 1052 1042 Covad Communications
6478 1188 999 AT&T Worldnet Services

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
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
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 3549 Global Crossing

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

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

Network Origin AS Description
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.

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 /8:18 /9:9 /10:17 /11:45 /12:147
/13:295 /14:530 /15:1062 /16:10110 /17:4400 /18:7671
/19:16306 /20:19136 /21:18667 /22:23430 /23:24514 /24:140652
/25:797 /26:967 /27:767 /28:89 /29:9 /30:1
/31:0 /32:7

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

ASN No of nets Total ann. Description
6389 2845 4293 bellsouth.net, inc.
6298 1971 1997 Cox Communicatons
209 1702 2942 Qwest
2386 1231 1551 AT&T Data Communications Serv
17488 1199 1392 Hathway IP Over Cable Interne
11492 1188 1212 Cable One
1785 1126 1663 PaeTec Communications, Inc.
6478 1080 1188 AT&T Worldnet Services
18566 1033 1052 Covad Communications
9583 977 1109 Sify Limited

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

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

4:8 8:139 12:2163 13:2 15:22 16:3
17:5 18:13 20:35 24:1080 32:59 38:501
40:92 41:703 43:1 44:2 47:12 52:3
55:3 56:3 57:27 58:521 59:521 60:452
61:975 62:1226 63:2035 64:3218 65:2388 66:3485
67:1262 68:790 69:2328 70:853 71:172 72:2053
73:7 74:1199 75:166 76:264 77:795 78:840
79:258 80:939 81:838 82:583 83:377 84:576
85:1003 86:398 87:717 88:338 89:1361 90:21
91:1535 92:267 93:851 94:178 96:74 97:81
98:335 99:8 113:1 114:110 115:86 116:1001
117:366 118:232 119:498 120:94 121:597 122:850
123:437 124:862 125:1196 128:358 129:201 130:134
131:413 132:70 133:9 134:177 135:32 136:224
137:96 138:142 139:91 140:507 141:103 142:408
143:302 144:326 145:51 146:370 147:159 148:521
149:209 150:128 151:181 152:149 153:136 154:10
155:281 156:173 157:301 158:168 159:306 160:268
161:138 162:254 163:154 164:516 165:503 166:367
167:332 168:634 169:143 170:447 171:33 172:10
173:34 186:1 187:16 188:1 189:312 190:2226
192:5756 193:4136 194:3256 195:2583 196:997 198:3727
199:3301 200:5508 201:1436 202:7853 203:8086 204:3949
205:2140 206:2351 207:2739 208:3643 209:3420 210:2613
211:1088 212:1466 213:1631 214:176 215:50 216:4354
217:1218 218:350 219:437 220:1064 221:418 222:287

End of report

1 2 3 4 5 6

View All

Index | Next | Previous | View Threaded

Interested in having your list archived? Contact Gossamer Threads