Routing Table Report 04:00 +10GMT Thu 10 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123153 Prefixes after maximum aggregation: 15486 Unique aggregates announced to Internet: 208 Total ASes present in the Internet Routing Table: 15391 Origin-only ASes present in the Internet Routing Table: 13318 Origin ASes announcing only one prefix: 6088 Transit ASes present in the Internet Routing Table: 2073 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: 477297 Equivalent to 0 /8s, 7 /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: 100 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21793 Total APNIC prefixes after maximum aggregation: 1977 Prefixes being announced from the APNIC address blocks: 123097 Unique aggregates announced from the APNIC address blocks: 190 APNIC Region origin ASes present in the Internet Routing Table: 1836 APNIC Region origin ASes announcing only one prefix: 536 APNIC Region transit ASes present in the Internet Routing Table: 298 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 364913 Equivalent to 0 /8s, 5 /16s and 145 /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: 74242 Total ARIN prefixes after maximum aggregation: 8457 Prefixes being announced from the ARIN address blocks: 14 Unique aggregates announced from the ARIN address blocks: 7 ARIN Region origin ASes present in the Internet Routing Table: 8448 ARIN Region origin ASes announcing only one prefix: 2897 ARIN Region transit ASes present in the Internet Routing Table: 837 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 5376 Equivalent to 0 /8s, 0 /16s and 21 /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: 21903 Total RIPE prefixes after maximum aggregation: 4714 Prefixes being announced from the RIPE address blocks: 23 Unique aggregates announced from the RIPE address blocks: 11 RIPE Region origin ASes present in the Internet Routing Table: 4703 RIPE Region origin ASes announcing only one prefix: 2564 RIPE Region transit ASes present in the Internet Routing Table: 842 Average RIPE Region AS path length visible: 6.3 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 107008 Equivalent to 0 /8s, 1 /16s and 162 /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: 5203 Total LACNIC prefixes after maximum aggregation: 338 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: 337 LACNIC Region origin ASes announcing only one prefix: 91 LACNIC Region transit ASes present in the Internet Routing Table: 73 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 1156 0 1 Telstra Pty Ltd 4755 426 23 91 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 17557 343 0 1 Pakistan Telecom 2764 341 1 19 connect.com.au pty ltd 703 333 0 2 UUNET 7474 315 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 9583 235 0 1 Satyam Infoway Ltd., 4766 221 0 1 Korea Internet Exchange for " 4134 220 0 1 Data Communications Bureau 9800 189 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 175 0 1 BHARTI BT INTERNET LTD. 4538 166 0 1 China Education and Research 9929 156 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 138 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 1346 0 1 AT&T 1239 958 0 1 Sprint 3908 885 0 1 Supernet, Inc. 7132 838 0 1 Southwestern Bell Internet Se 4323 610 0 1 Time Warner Communications, I 7843 582 0 1 Adelphia Corp. 11305 549 0 1 Interland Incorporated 852 526 0 1 Telus Advanced Communications 6197 526 0 1 BellSouth Network Solutions, 209 516 0 1 Qwest 705 489 0 1 UUNET Technologies, Inc. 6198 479 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 1 403 0 1 GENUITY 4355 400 0 1 EarthLink, Inc. 3561 368 0 1 Cable & Wireless USA 3356 365 0 1 Level 3 Communications, LLC RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1015 0 1 UUNET - Commercial IP service 3301 294 0 1 TeliaNet Sweden 3320 266 0 1 Deutsche Telekom AG 3215 240 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 231 0 1 COLT Internet - International 1257 223 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 719 175 0 1 LANLINK autonomous system 8708 154 0 1 Romania Data Systems S.A. 3303 141 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 96 0 1 France Telecom 6746 89 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 237 0 1 Telecom Argentina Stet-France 8151 217 0 1 UniNet S.A. de C.V. 11172 172 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 98 0 1 Telefonica Del Peru 11992 88 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 67 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 1346 1345 AT&T 1221 1156 1155 Telstra Pty Ltd 702 1015 1014 UUNET - Commercial IP service 1239 958 957 Sprint 3908 885 884 Supernet, Inc. 7132 838 837 Southwestern Bell Internet Se 4323 610 609 Time Warner Communications, I 7843 582 581 Adelphia Corp. 11305 549 548 Interland Incorporated 852 526 525 Telus Advanced Communications 6197 526 525 BellSouth Network Solutions, 209 516 515 Qwest 705 489 488 UUNET Technologies, Inc. 6198 479 478 BellSouth Network Solutions, 20115 460 459 Charter Communications 690 448 447 Merit Network 2386 406 405 AT&T Data Communications Serv 1 403 402 GENUITY 4355 400 399 EarthLink, Inc. 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 64732 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 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 /16:9 /17:9 /18:14 /19:21 /20:4 /21:16 /22:13 /23:20 /24:123021 /25:6 /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 23 341 connect.com.au pty ltd 4755 19 426 Videsh Sanchar Nigam Ltd. Aut 2914 18 300 Verio, Inc. 8233 8 14 TeliaNet UK 7474 5 315 Optus Communications Pty Ltd 25586 4 12 Palestine Online, Ramallah, P 1299 3 20 TeliaNet Global Network 9476 3 21 Intrapower 16490 3 3 Keystone Financial, Inc. 1785 1 161 AppliedTheory Corporation 4805 1 15 Equant (formerly Global One) 5639 1 47 Telecommunications Services o 6085 1 1 SITA Network Operations Cente 6383 1 65 bellsouth.net, inc. 6571 1 5 CU Online 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 11981 1 9 Special Systems, Inc. 15665 1 2 Campus Wola autonomous system Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 57:1 61:17 62:1 65:1 68:1 149:1 157:1 192:1 195:8 202:44 203:57387 206:3 209:2 210:8 219:8 End of report