Routing Table Report 04:00 +10GMT Thu 24 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123621 Prefixes after maximum aggregation: 15591 Unique aggregates announced to Internet: 217 Total ASes present in the Internet Routing Table: 15473 Origin-only ASes present in the Internet Routing Table: 13391 Origin ASes announcing only one prefix: 6119 Transit ASes present in the Internet Routing Table: 2082 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 6.8 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 573105 Equivalent to 0 /8s, 8 /16s and 190 /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: 104 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21928 Total APNIC prefixes after maximum aggregation: 1996 Prefixes being announced from the APNIC address blocks: 123461 Unique aggregates announced from the APNIC address blocks: 185 APNIC Region origin ASes present in the Internet Routing Table: 1850 APNIC Region origin ASes announcing only one prefix: 541 APNIC Region transit ASes present in the Internet Routing Table: 305 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 421041 Equivalent to 0 /8s, 6 /16s and 108 /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: 74447 Total ARIN prefixes after maximum aggregation: 8525 Prefixes being announced from the ARIN address blocks: 41 Unique aggregates announced from the ARIN address blocks: 23 ARIN Region origin ASes present in the Internet Routing Table: 8493 ARIN Region origin ASes announcing only one prefix: 2906 ARIN Region transit ASes present in the Internet Routing Table: 828 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 33280 Equivalent to 0 /8s, 0 /16s and 130 /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: 22047 Total RIPE prefixes after maximum aggregation: 4731 Prefixes being announced from the RIPE address blocks: 29 Unique aggregates announced from the RIPE address blocks: 9 RIPE Region origin ASes present in the Internet Routing Table: 4724 RIPE Region origin ASes announcing only one prefix: 2578 RIPE Region transit ASes present in the Internet Routing Table: 851 Average RIPE Region AS path length visible: 7.3 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 118784 Equivalent to 0 /8s, 1 /16s and 208 /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: 5187 Total LACNIC prefixes after maximum aggregation: 339 Prefixes being announced from the LACNIC address blocks: 0 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 339 LACNIC Region origin ASes announcing only one prefix: 94 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 8.0 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 1154 0 1 Telstra Pty Ltd 4755 422 16 87 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 2764 344 1 21 connect.com.au pty ltd 703 331 0 2 UUNET 17557 331 0 1 Pakistan Telecom 7474 316 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 9583 241 0 1 Satyam Infoway Ltd., 3786 238 0 1 DACOM Corporation 4134 224 0 1 Data Communications Bureau 4766 219 0 1 Korea Internet Exchange for " 9800 194 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 167 0 1 BHARTI BT INTERNET LTD. 4538 166 0 1 China Education and Research 9929 151 0 1 China Netcom Corp. 4739 141 0 5 Commerical Internet eXchange 9238 139 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 1494 0 1 UUNET Technologies, Inc. 7018 1349 0 1 AT&T 1239 969 0 1 Sprint 3908 890 0 1 Supernet, Inc. 7132 845 0 1 Southwestern Bell Internet Se 4323 608 0 1 Time Warner Communications, I 7843 600 0 1 Adelphia Corp. 11305 565 0 1 Interland Incorporated 6197 541 0 1 BellSouth Network Solutions, 852 522 0 1 Telus Advanced Communications 209 520 0 2 Qwest 6198 483 0 1 BellSouth Network Solutions, 705 478 0 1 UUNET Technologies, Inc. 20115 470 0 1 Charter Communications 690 444 0 1 Merit Network 4355 399 0 1 EarthLink, Inc. 2386 397 0 1 AT&T Data Communications Serv 3356 385 0 1 Level 3 Communications, LLC 1 375 0 1 GENUITY 6347 354 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1005 0 1 UUNET - Commercial IP service 3301 292 0 1 TeliaNet Sweden 3320 267 0 1 Deutsche Telekom AG 680 232 0 1 DFN-IP service G-WiN 8220 232 0 1 COLT Internet - International 1257 226 0 1 SWIPnet Swedish IP Network 3215 219 0 1 France Telecom Transpac 5400 199 0 1 BT Ignite European Backbone 5515 186 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 8708 150 0 1 Romania Data Systems S.A. 3303 143 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 111 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 296 0 1 ImpSat 7303 238 0 1 Telecom Argentina Stet-France 8151 221 0 1 UniNet S.A. de C.V. 11172 178 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 131 0 1 AVANTEL, S.A. 10620 120 0 1 TVCABLE BOGOTA 6147 95 0 1 Telefonica Del Peru 11992 88 0 1 Integrated Systems 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 73 0 1 Telefonica Empresas 1916 72 0 1 Fundacao de Amparo a Pesquisa 11830 70 0 1 Instituto Costarricense de El 13999 67 0 1 Mega Cable S.A. de C.V. 4270 66 0 1 Red de Interconexion Universi 7927 66 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 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 1349 1348 AT&T 1221 1154 1153 Telstra Pty Ltd 702 1005 1004 UUNET - Commercial IP service 1239 969 968 Sprint 3908 890 889 Supernet, Inc. 7132 845 844 Southwestern Bell Internet Se 4323 608 607 Time Warner Communications, I 7843 600 599 Adelphia Corp. 11305 565 564 Interland Incorporated 6197 541 540 BellSouth Network Solutions, 852 522 521 Telus Advanced Communications 209 520 518 Qwest 6198 483 482 BellSouth Network Solutions, 705 478 477 UUNET Technologies, Inc. 20115 470 469 Charter Communications 690 444 443 Merit Network 4355 399 398 EarthLink, Inc. 2386 397 396 AT&T Data Communications Serv 3356 385 384 Level 3 Communications, LLC List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p 65503 PRIVATE 203.14.8.16/24 13490 Access Toledo, LTD. 18412 UNALLOCATED 203.14.8.16/24 9674 Far EastTone Telecom 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 /16:74 /17:9 /18:15 /19:26 /20:6 /21:16 /22:13 /23:16 /24:123419 /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 24 344 connect.com.au pty ltd 2914 18 303 Verio, Inc. 4755 18 422 Videsh Sanchar Nigam Ltd. Aut 6316 8 39 StarNet, Inc. 8233 8 14 TeliaNet UK 7474 5 316 Optus Communications Pty Ltd 7751 5 23 Dancris Telecom L.L.C. 21367 4 7 Nextra Srl. 1299 2 19 TeliaNet Global Network 4805 1 15 Equant (formerly Global One) 6008 1 1 HQ USASC - USANETA 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 16 Sungard Recovery Services, In 7459 1 22 Thrifty Call, Inc. 8425 1 5 TVNET Autonomus System 9299 1 3 Philippine Long Distance Tele 16111 1 1 Online Consulting AG Autonomo 16326 1 2 AS will be used for SMALS-MVM 16441 1 27 Intellispace Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 64:1 65:1 80:1 192:2 193:3 194:1 195:9 198:8 199:2 202:44 203:57761 204:6 205:6 206:2 208:4 210:5 219:8 End of report