Routing Table Report 04:00 +10GMT Wed 06 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123643 Prefixes after maximum aggregation: 15647 Unique aggregates announced to Internet: 214 Total ASes present in the Internet Routing Table: 15553 Origin-only ASes present in the Internet Routing Table: 13457 Origin ASes announcing only one prefix: 6144 Transit ASes present in the Internet Routing Table: 2096 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 36 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: 608417 Equivalent to 0 /8s, 9 /16s and 72 /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: 101 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21968 Total APNIC prefixes after maximum aggregation: 1995 Prefixes being announced from the APNIC address blocks: 123575 Unique aggregates announced from the APNIC address blocks: 188 APNIC Region origin ASes present in the Internet Routing Table: 1854 APNIC Region origin ASes announcing only one prefix: 535 APNIC Region transit ASes present in the Internet Routing Table: 311 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 420513 Equivalent to 0 /8s, 6 /16s and 106 /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: 74550 Total ARIN prefixes after maximum aggregation: 8542 Prefixes being announced from the ARIN address blocks: 35 Unique aggregates announced from the ARIN address blocks: 16 ARIN Region origin ASes present in the Internet Routing Table: 8529 ARIN Region origin ASes announcing only one prefix: 2918 ARIN Region transit ASes present in the Internet Routing Table: 832 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 87808 Equivalent to 0 /8s, 1 /16s and 87 /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: 21892 Total RIPE prefixes after maximum aggregation: 4764 Prefixes being announced from the RIPE address blocks: 22 Unique aggregates announced from the RIPE address blocks: 10 RIPE Region origin ASes present in the Internet Routing Table: 4756 RIPE Region origin ASes announcing only one prefix: 2596 RIPE Region transit ASes present in the Internet Routing Table: 855 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 100096 Equivalent to 0 /8s, 1 /16s and 135 /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: 5222 Total LACNIC prefixes after maximum aggregation: 346 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: 342 LACNIC Region origin ASes announcing only one prefix: 95 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 32 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 1156 0 1 Telstra Pty Ltd 4755 427 16 89 Videsh Sanchar Nigam Ltd. Aut 2907 375 0 1 SINET Japan 703 333 0 2 UUNET 2764 331 1 20 connect.com.au pty ltd 7474 322 0 2 Optus Communications Pty Ltd 17557 305 0 1 Pakistan Telecom 17676 249 0 1 XTAGE CORPORATION 3786 239 0 1 DACOM Corporation 9583 239 0 1 Satyam Infoway Ltd., 4134 225 0 1 Data Communications Bureau 4766 222 0 1 Korea Internet Exchange for " 9800 195 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 4538 167 0 1 China Education and Research 9498 159 0 1 BHARTI BT INTERNET LTD. 9929 150 0 1 China Netcom Corp. 4739 140 0 5 Commerical Internet eXchange 9238 140 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 1471 0 1 UUNET Technologies, Inc. 7018 1366 0 1 AT&T 1239 975 0 1 Sprint 3908 897 0 1 Supernet, Inc. 7132 854 0 1 Southwestern Bell Internet Se 4323 621 0 1 Time Warner Communications, I 7843 587 0 1 Adelphia Corp. 6197 559 0 1 BellSouth Network Solutions, 209 519 0 1 Qwest 852 519 0 1 Telus Advanced Communications 6198 498 0 1 BellSouth Network Solutions, 705 481 0 1 UUNET Technologies, Inc. 20115 472 0 1 Charter Communications 3356 441 0 1 Level 3 Communications, LLC 690 432 0 1 Merit Network 4355 402 0 1 EarthLink, Inc. 2386 396 0 1 AT&T Data Communications Serv 6347 360 0 1 SAVVIS Communications Corpora 11305 358 0 1 Interland Incorporated 19029 350 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 727 0 1 UUNET - Commercial IP service 3301 289 0 1 TeliaNet Sweden 3320 257 0 1 Deutsche Telekom AG 8220 247 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 228 0 1 SWIPnet Swedish IP Network 3215 214 0 1 France Telecom Transpac 5515 185 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 5400 164 0 1 BT Ignite European Backbone 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 123 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 111 0 1 Ibernet, Internet Access Netw 5511 100 0 1 France Telecom 9051 88 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 290 0 1 ImpSat 7303 241 0 1 Telecom Argentina Stet-France 8151 222 0 1 UniNet S.A. de C.V. 11172 177 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 131 0 1 AVANTEL, S.A. 10620 123 0 1 TVCABLE BOGOTA 11992 87 0 1 Integrated Systems 6147 84 0 1 Telefonica Del Peru 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 71 0 1 Instituto Costarricense de El 4270 68 0 1 Red de Interconexion Universi 13999 68 0 1 Mega Cable S.A. de C.V. 7927 66 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 7984 59 0 1 Global One Colombia 11562 58 0 1 Net-Uno, C.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1366 1365 AT&T 1221 1156 1155 Telstra Pty Ltd 1239 975 974 Sprint 3908 897 896 Supernet, Inc. 7132 854 853 Southwestern Bell Internet Se 702 727 726 UUNET - Commercial IP service 4323 621 620 Time Warner Communications, I 7843 587 586 Adelphia Corp. 6197 559 558 BellSouth Network Solutions, 209 519 518 Qwest 852 519 518 Telus Advanced Communications 6198 498 497 BellSouth Network Solutions, 705 481 480 UUNET Technologies, Inc. 20115 472 471 Charter Communications 3356 441 440 Level 3 Communications, LLC 690 432 431 Merit Network 4355 402 401 EarthLink, Inc. 2386 396 395 AT&T Data Communications Serv 2907 375 374 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 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 /16:1 /17:9 /18:18 /19:29 /20:4 /21:13 /22:14 /23:13 /24:123516 /25:6 /26:1 /27:1 /28:1 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2764 23 331 connect.com.au pty ltd 2914 18 302 Verio, Inc. 4755 18 427 Videsh Sanchar Nigam Ltd. Aut 6316 8 39 StarNet, Inc. 8233 8 12 TeliaNet UK 7474 5 322 Optus Communications Pty Ltd 5639 4 44 Telecommunications Services o 1299 2 19 TeliaNet Global Network 29278 2 2 Deninet Ltd. HU 1547 1 7 US DOD NIC Unregistered 2050 1 17 Sprint Enterprise Information 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 5056 1 49 Iowa Network Services 6085 1 1 SITA Network Operations Cente 6383 1 65 bellsouth.net, inc. 6884 1 2 Euronet Autonomous System 7381 1 16 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 12833 1 1 Sistema de Mail para Todos do Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 64:1 68:1 193:1 195:8 196:2 198:3 199:1 202:44 203:57876 204:1 206:1 207:1 209:4 210:6 212:2 217:1 219:8 End of report