Routing Table Report 04:00 +10GMT Wed 16 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123538 Prefixes after maximum aggregation: 15529 Unique aggregates announced to Internet: 212 Total ASes present in the Internet Routing Table: 15429 Origin-only ASes present in the Internet Routing Table: 13350 Origin ASes announcing only one prefix: 6111 Transit ASes present in the Internet Routing Table: 2079 Transit-only ASes present in the Internet Routing Table: 64 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: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 242865 Equivalent to 0 /8s, 3 /16s and 180 /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: 137 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21951 Total APNIC prefixes after maximum aggregation: 1986 Prefixes being announced from the APNIC address blocks: 123437 Unique aggregates announced from the APNIC address blocks: 187 APNIC Region origin ASes present in the Internet Routing Table: 1843 APNIC Region origin ASes announcing only one prefix: 538 APNIC Region transit ASes present in the Internet Routing Table: 295 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 104625 Equivalent to 0 /8s, 1 /16s and 152 /24s Percentage of available APNIC address space announced: 0.1 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: 74432 Total ARIN prefixes after maximum aggregation: 8480 Prefixes being announced from the ARIN address blocks: 26 Unique aggregates announced from the ARIN address blocks: 8 ARIN Region origin ASes present in the Internet Routing Table: 8472 ARIN Region origin ASes announcing only one prefix: 2908 ARIN Region transit ASes present in the Internet Routing Table: 835 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 5888 Equivalent to 0 /8s, 0 /16s and 23 /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: 21974 Total RIPE prefixes after maximum aggregation: 4724 Prefixes being announced from the RIPE address blocks: 35 Unique aggregates announced from the RIPE address blocks: 17 RIPE Region origin ASes present in the Internet Routing Table: 4710 RIPE Region origin ASes announcing only one prefix: 2571 RIPE Region transit ASes present in the Internet Routing Table: 849 Average RIPE Region AS path length visible: 6.3 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 132352 Equivalent to 0 /8s, 2 /16s and 5 /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: 5170 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: 72 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 1151 0 1 Telstra Pty Ltd 4755 432 23 91 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 17557 349 0 1 Pakistan Telecom 2764 342 1 20 connect.com.au pty ltd 703 332 0 2 UUNET 7474 316 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 9583 238 0 1 Satyam Infoway Ltd., 4134 222 0 1 Data Communications Bureau 4766 220 0 1 Korea Internet Exchange for " 9800 190 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 171 0 1 BHARTI BT INTERNET LTD. 4538 166 0 1 China Education and Research 9929 149 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 136 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 1496 0 1 UUNET Technologies, Inc. 7018 1343 0 1 AT&T 1239 964 0 1 Sprint 3908 883 0 1 Supernet, Inc. 7132 841 0 1 Southwestern Bell Internet Se 4323 608 0 1 Time Warner Communications, I 7843 570 0 1 Adelphia Corp. 11305 549 0 1 Interland Incorporated 6197 527 0 1 BellSouth Network Solutions, 852 524 0 1 Telus Advanced Communications 209 513 0 1 Qwest 705 486 0 1 UUNET Technologies, Inc. 6198 481 0 1 BellSouth Network Solutions, 20115 463 0 1 Charter Communications 690 448 0 1 Merit Network 2386 406 0 1 AT&T Data Communications Serv 4355 399 0 1 EarthLink, Inc. 1 393 0 1 GENUITY 3356 370 0 1 Level 3 Communications, LLC 6347 362 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 291 0 1 TeliaNet Sweden 3320 267 0 1 Deutsche Telekom AG 3215 240 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 232 0 1 COLT Internet - International 1257 226 0 1 SWIPnet Swedish IP Network 5400 198 0 1 BT Ignite European Backbone 5515 187 0 1 Sonera Solution Autonomous Sy 786 180 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 8708 155 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 236 0 1 Telecom Argentina Stet-France 8151 222 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 131 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 95 0 1 Telefonica Del Peru 11992 87 0 1 Integrated Systems 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 68 0 1 Red de Interconexion Universi 7927 65 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 13999 62 0 1 Mega Cable S.A. de C.V. 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 1151 1150 Telstra Pty Ltd 702 1014 1013 UUNET - Commercial IP service 1239 964 963 Sprint 3908 883 882 Supernet, Inc. 7132 841 840 Southwestern Bell Internet Se 4323 608 607 Time Warner Communications, I 7843 570 569 Adelphia Corp. 11305 549 548 Interland Incorporated 6197 527 526 BellSouth Network Solutions, 852 524 523 Telus Advanced Communications 209 513 512 Qwest 705 486 485 UUNET Technologies, Inc. 6198 481 480 BellSouth Network Solutions, 20115 463 462 Charter Communications 690 448 447 Merit Network 2386 406 405 AT&T Data Communications Serv 4355 399 398 EarthLink, Inc. 1 393 392 GENUITY 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 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 /16:10 /17:2 /18:7 /19:9 /20:7 /21:27 /22:18 /23:21 /24:123410 /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 4270 24 68 Red de Interconexion Universi 4755 19 432 Videsh Sanchar Nigam Ltd. Aut 2914 18 302 Verio, Inc. 26706 12 13 Cablespeed - Maryland 8233 8 14 TeliaNet UK 7474 5 316 Optus Communications Pty Ltd 21491 3 4 UTL On-line is RF broadband I 1299 2 19 TeliaNet Global Network 2050 2 17 Sprint Enterprise Information 10273 2 7 FPL 12856 2 16 Unona-MN Ltd. 1850 1 1 Internet Iceland Inc. (ISNIC) 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 8063 1 57 Bellsouth.Net 9299 1 3 Philippine Long Distance Tele 13129 1 27 Global Access Telecommunicati Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 63:1 155:2 170:24 193:1 195:8 198:1 202:46 203:57749 206:2 208:1 209:2 210:5 212:1 213:3 217:1 219:8 End of report