Routing Table Report 04:00 +10GMT Fri 16 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122359 Prefixes after maximum aggregation: 15167 Unique aggregates announced to Internet: 174 Total ASes present in the Internet Routing Table: 15094 Origin-only ASes present in the Internet Routing Table: 13064 Origin ASes announcing only one prefix: 5979 Transit ASes present in the Internet Routing Table: 2030 Transit-only ASes present in the Internet Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.6 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: 315889 Equivalent to 0 /8s, 4 /16s and 209 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 98 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21316 Total APNIC prefixes after maximum aggregation: 1896 Prefixes being announced from the APNIC address blocks: 122292 Unique aggregates announced from the APNIC address blocks: 150 APNIC Region origin ASes present in the Internet Routing Table: 1786 APNIC Region origin ASes announcing only one prefix: 534 APNIC Region transit ASes present in the Internet Routing Table: 302 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 169201 Equivalent to 0 /8s, 2 /16s and 148 /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: 74538 Total ARIN prefixes after maximum aggregation: 8359 Prefixes being announced from the ARIN address blocks: 30 Unique aggregates announced from the ARIN address blocks: 17 ARIN Region origin ASes present in the Internet Routing Table: 8340 ARIN Region origin ASes announcing only one prefix: 2867 ARIN Region transit ASes present in the Internet Routing Table: 817 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 55040 Equivalent to 0 /8s, 0 /16s and 215 /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: 21298 Total RIPE prefixes after maximum aggregation: 4579 Prefixes being announced from the RIPE address blocks: 24 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 4573 RIPE Region origin ASes announcing only one prefix: 2489 RIPE Region transit ASes present in the Internet Routing Table: 822 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 91648 Equivalent to 0 /8s, 1 /16s and 102 /24s Percentage of available RIPE address space announced: 0.0 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: 5200 Total LACNIC prefixes after maximum aggregation: 333 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: 332 LACNIC Region origin ASes announcing only one prefix: 89 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 6.5 Max LACNIC Region AS path length visible: 25 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 1194 0 1 Telstra Pty Ltd 4755 440 37 71 Videsh Sanchar Nigam Ltd. Aut 2907 387 0 1 SINET Japan 17557 371 0 1 Pakistan Telecom 703 365 0 2 UUNET 2764 352 0 18 connect.com.au pty ltd 7474 322 0 2 Optus Communications Pty Ltd 4814 295 0 1 China Telecom (Group) 17676 245 0 1 XTAGE CORPORATION 3786 242 0 1 DACOM Corporation 4134 227 0 1 Data Communications Bureau 9583 224 0 1 Satyam Infoway Ltd., 4766 213 0 1 Korea Internet Exchange for " 9443 184 0 1 Primus Telecommunications 9800 180 0 1 CHINA UNICOM 4739 138 0 2 Commerical Internet eXchange 9498 135 0 1 BHARTI BT INTERNET LTD. 9238 133 0 1 TATA ISP 4716 128 0 1 TTnet 4795 122 0 1 INDOSATNET-ASN ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1534 0 1 UUNET Technologies, Inc. 7018 1324 0 1 AT&T 4151 1149 0 1 USDA 7132 966 0 1 Southwestern Bell Internet Se 1239 943 0 1 Sprint 3908 902 0 1 Supernet, Inc. 7843 661 0 1 Adelphia Corp. 4323 588 0 1 Time Warner Communications, I 2386 580 0 1 AT&T Data Communications Serv 705 538 0 1 UUNET Technologies, Inc. 852 537 0 1 Telus Advanced Communications 3561 506 0 1 Cable & Wireless USA 209 491 0 1 Qwest 6197 485 0 1 BellSouth Network Solutions, 690 476 0 1 Merit Network 1 475 0 1 GENUITY 20115 474 0 1 Charter Communications 6198 464 0 1 BellSouth Network Solutions, 4355 396 0 1 EarthLink, Inc. 6347 367 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 755 0 1 UUNET - Commercial IP service 3301 307 0 1 TeliaNet Sweden 3215 300 0 1 France Telecom Transpac 3320 263 0 1 Deutsche Telekom AG 680 232 0 1 DFN-IP service G-WiN 1257 227 0 1 SWIPnet Swedish IP Network 8220 216 0 1 COLT Internet - International 5400 190 0 2 BT Ignite European Backbone 5515 181 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 20858 165 0 1 This AS will be used to conne 8708 156 0 1 Romania Data Systems S.A. 3303 141 0 1 Swisscom Ltd 12302 128 0 1 MobiFon S.A. 2856 123 0 1 BTnet UK Regional network 3269 116 0 1 TELECOM ITALIA 3246 113 0 1 Song Networks 3352 107 0 1 Ibernet, Internet Access Netw 2874 96 0 1 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 295 0 1 ImpSat 7303 255 0 1 Telecom Argentina Stet-France 8151 223 0 1 UniNet S.A. de C.V. 11172 165 0 1 Servicios Alestra S.A de C.V 16814 139 0 1 NSS, S.A. 6503 136 0 1 AVANTEL, S.A. 10620 113 0 1 TVCABLE BOGOTA 6147 93 0 1 Telefonica Del Peru 11992 83 0 1 Integrated Systems 8065 78 0 1 Empresas Publicas de Medellin 4270 75 0 1 Red de Interconexion Universi 6535 74 0 1 Chilesat Servicios Empresari 13999 74 0 1 Mega Cable S.A. de C.V. 1916 73 0 1 Fundacao de Amparo a Pesquisa 15311 71 0 1 Telefonica Empresas 11830 66 0 1 Instituto Costarricense de El 7738 65 0 1 Telecomunicacoes da Bahia S.A 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7984 61 0 1 Global One Colombia Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1324 1323 AT&T 1221 1194 1193 Telstra Pty Ltd 4151 1149 1148 USDA 7132 966 965 Southwestern Bell Internet Se 1239 943 942 Sprint 3908 902 901 Supernet, Inc. 702 755 754 UUNET - Commercial IP service 7843 661 660 Adelphia Corp. 4323 588 587 Time Warner Communications, I 2386 580 579 AT&T Data Communications Serv 705 538 537 UUNET Technologies, Inc. 852 537 536 Telus Advanced Communications 3561 506 505 Cable & Wireless USA 209 491 490 Qwest 6197 485 484 BellSouth Network Solutions, 690 476 475 Merit Network 1 475 474 GENUITY 20115 474 473 Charter Communications 6198 464 463 BellSouth Network Solutions, 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 /16:1 /17:6 /18:10 /19:13 /20:8 /21:14 /22:22 /23:21 /24:122239 /25:5 /26:0 /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 22 352 connect.com.au pty ltd 4755 20 440 Videsh Sanchar Nigam Ltd. Aut 2914 18 297 Verio, Inc. 3216 6 31 Teleross, Moscow, Russia 7474 5 322 Optus Communications Pty Ltd 3356 3 289 Level 3 Communications, LLC 11574 3 10 Avalon Systems, Inc. 16675 2 2 WinMill Software 21286 2 2 PinkRoccade Online Amsterdam 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 6319 1 2 Marriot Corporation 7013 1 5 Health Sciences Libraries Con 7042 1 4 Townsend Communications, Inc 7381 1 15 Sungard Recovery Services, In 8528 1 1 RENAULT Autonomous System 9299 1 3 Philippine Long Distance Tele 10560 1 6 ITESM Rectoria Zona Centro 11311 1 57 Sinectis S.A. 12443 1 1 RCC-RIGA Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 63:3 64:2 65:2 192:1 194:3 195:3 196:1 198:3 199:1 202:52 203:56591 204:2 205:1 206:1 207:1 209:3 210:5 216:1 219:9 End of report