Routing Table Report 04:00 +10GMT Sun 13 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123354 Prefixes after maximum aggregation: 15501 Unique aggregates announced to Internet: 197 Total ASes present in the Internet Routing Table: 15417 Origin-only ASes present in the Internet Routing Table: 13337 Origin ASes announcing only one prefix: 6098 Transit ASes present in the Internet Routing Table: 2080 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 2 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 467121 Equivalent to 0 /8s, 7 /16s and 32 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 91 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21827 Total APNIC prefixes after maximum aggregation: 1977 Prefixes being announced from the APNIC address blocks: 123300 Unique aggregates announced from the APNIC address blocks: 187 APNIC Region origin ASes present in the Internet Routing Table: 1838 APNIC Region origin ASes announcing only one prefix: 536 APNIC Region transit ASes present in the Internet Routing Table: 297 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 364209 Equivalent to 0 /8s, 5 /16s and 142 /24s Percentage of available APNIC address space announced: 0.2 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 74334 Total ARIN prefixes after maximum aggregation: 8464 Prefixes being announced from the ARIN address blocks: 14 Unique aggregates announced from the ARIN address blocks: 4 ARIN Region origin ASes present in the Internet Routing Table: 8461 ARIN Region origin ASes announcing only one prefix: 2901 ARIN Region transit ASes present in the Internet Routing Table: 836 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 4608 Equivalent to 0 /8s, 0 /16s and 18 /24s Percentage of available ARIN address space announced: 0.0 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 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, 29695 - 30719 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 21985 Total RIPE prefixes after maximum aggregation: 4719 Prefixes being announced from the RIPE address blocks: 18 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4713 RIPE Region origin ASes announcing only one prefix: 2567 RIPE Region transit ASes present in the Internet Routing Table: 849 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /24s Percentage of available RIPE address space announced: 0.1 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5196 Total LACNIC prefixes after maximum aggregation: 341 Prefixes being announced from the LACNIC address blocks: 1 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 338 LACNIC Region origin ASes announcing only one prefix: 94 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 7.0 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available LACNIC address space announced: 0.0 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1148 0 1 Telstra Pty Ltd 4755 432 23 89 Videsh Sanchar Nigam Ltd. Aut 2907 371 0 1 SINET Japan 17557 348 0 1 Pakistan Telecom 2764 342 1 20 connect.com.au pty ltd 703 333 0 2 UUNET 7474 316 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 9583 237 0 1 Satyam Infoway Ltd., 4134 220 0 1 Data Communications Bureau 4766 220 0 1 Korea Internet Exchange for " 9800 189 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 173 0 1 BHARTI BT INTERNET LTD. 4538 166 0 1 China Education and Research 9929 154 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 137 0 1 TATA ISP 4716 132 0 1 TTnet ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1498 0 1 UUNET Technologies, Inc. 7018 1343 0 1 AT&T 1239 965 0 1 Sprint 3908 877 0 1 Supernet, Inc. 7132 840 0 1 Southwestern Bell Internet Se 4323 610 0 1 Time Warner Communications, I 7843 587 0 1 Adelphia Corp. 11305 549 0 1 Interland Incorporated 6197 527 0 1 BellSouth Network Solutions, 852 526 0 1 Telus Advanced Communications 209 515 0 1 Qwest 705 487 0 1 UUNET Technologies, Inc. 6198 480 0 1 BellSouth Network Solutions, 20115 460 0 1 Charter Communications 690 448 0 1 Merit Network 2386 406 0 1 AT&T Data Communications Serv 4355 400 0 1 EarthLink, Inc. 1 395 0 1 GENUITY 3356 367 0 1 Level 3 Communications, LLC 6347 363 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1014 0 1 UUNET - Commercial IP service 3301 293 0 1 TeliaNet Sweden 3320 266 0 1 Deutsche Telekom AG 3215 239 0 1 France Telecom Transpac 8220 233 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 224 0 1 SWIPnet Swedish IP Network 5400 198 0 1 BT Ignite European Backbone 5515 187 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 8708 154 0 1 Romania Data Systems S.A. 3303 142 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 126 0 1 BTnet UK Regional network 3246 122 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 107 0 1 Ibernet, Internet Access Netw 5511 98 0 1 France Telecom 6746 90 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 297 0 1 ImpSat 7303 237 0 1 Telecom Argentina Stet-France 8151 221 0 1 UniNet S.A. de C.V. 11172 174 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 130 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 89 0 1 Telefonica Del Peru 11992 87 0 1 Integrated Systems 13999 86 0 1 Mega Cable S.A. de C.V. 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 1916 72 0 1 Fundacao de Amparo a Pesquisa 11830 70 0 1 Instituto Costarricense de El 4270 66 0 1 Red de Interconexion Universi 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7984 60 0 1 Global One Colombia 7738 57 0 1 Telecomunicacoes da Bahia S.A Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1343 1342 AT&T 1221 1148 1147 Telstra Pty Ltd 702 1014 1013 UUNET - Commercial IP service 1239 965 964 Sprint 3908 877 876 Supernet, Inc. 7132 840 839 Southwestern Bell Internet Se 4323 610 609 Time Warner Communications, I 7843 587 586 Adelphia Corp. 11305 549 548 Interland Incorporated 6197 527 526 BellSouth Network Solutions, 852 526 525 Telus Advanced Communications 209 515 514 Qwest 705 487 486 UUNET Technologies, Inc. 6198 480 479 BellSouth Network Solutions, 20115 460 459 Charter Communications 690 448 447 Merit Network 2386 406 405 AT&T Data Communications Serv 4355 400 399 EarthLink, Inc. 1 395 394 GENUITY List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65030 PRIVATE 203.14.8.16/24 9498 BHARTI BT INTERNET L 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:15 /17:7 /18:14 /19:21 /20:3 /21:13 /22:15 /23:14 /24:123225 /25:6 /26:1 /27:1 /28:2 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2764 24 342 connect.com.au pty ltd 4755 19 432 Videsh Sanchar Nigam Ltd. Aut 2914 18 300 Verio, Inc. 8233 8 14 TeliaNet UK 7474 5 316 Optus Communications Pty Ltd 14202 5 9 Geonet S.A. 1299 2 18 TeliaNet Global Network 3313 1 44 I.NET S.p.A. 4270 1 66 Red de Interconexion Universi 4805 1 15 Equant (formerly Global One) 5800 1 5 DISA-Contigency Operations Br 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 16441 1 27 Intellispace Inc. 19481 1 3 Panax Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 65:5 144:1 170:1 194:1 195:8 199:1 200:1 202:43 203:57594 206:1 207:1 210:5 219:8 End of report