Routing Table Report 04:00 +10GMT Sun 27 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123561 Prefixes after maximum aggregation: 15593 Unique aggregates announced to Internet: 198 Total ASes present in the Internet Routing Table: 15500 Origin-only ASes present in the Internet Routing Table: 13416 Origin ASes announcing only one prefix: 6134 Transit ASes present in the Internet Routing Table: 2084 Transit-only ASes present in the Internet Routing Table: 70 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: 530353 Equivalent to 0 /8s, 8 /16s and 23 /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: 102 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21927 Total APNIC prefixes after maximum aggregation: 1998 Prefixes being announced from the APNIC address blocks: 123453 Unique aggregates announced from the APNIC address blocks: 187 APNIC Region origin ASes present in the Internet Routing Table: 1849 APNIC Region origin ASes announcing only one prefix: 544 APNIC Region transit ASes present in the Internet Routing Table: 306 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 425393 Equivalent to 0 /8s, 6 /16s and 125 /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: 74355 Total ARIN prefixes after maximum aggregation: 8508 Prefixes being announced from the ARIN address blocks: 26 Unique aggregates announced from the ARIN address blocks: 5 ARIN Region origin ASes present in the Internet Routing Table: 8502 ARIN Region origin ASes announcing only one prefix: 2902 ARIN Region transit ASes present in the Internet Routing Table: 827 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 6656 Equivalent to 0 /8s, 0 /16s and 26 /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: 22061 Total RIPE prefixes after maximum aggregation: 4747 Prefixes being announced from the RIPE address blocks: 24 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4738 RIPE Region origin ASes announcing only one prefix: 2592 RIPE Region transit ASes present in the Internet Routing Table: 849 Average RIPE Region AS path length visible: 7.3 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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: 5207 Total LACNIC prefixes after maximum aggregation: 340 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: 340 LACNIC Region origin ASes announcing only one prefix: 96 LACNIC Region transit ASes present in the Internet Routing Table: 75 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 1151 0 1 Telstra Pty Ltd 4755 421 17 87 Videsh Sanchar Nigam Ltd. Aut 2907 373 0 1 SINET Japan 2764 344 1 21 connect.com.au pty ltd 17557 344 0 2 Pakistan Telecom 703 331 0 2 UUNET 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 225 0 1 Data Communications Bureau 4766 218 0 1 Korea Internet Exchange for " 9800 195 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 4538 166 0 1 China Education and Research 9498 158 0 1 BHARTI BT INTERNET LTD. 9929 151 0 1 China Netcom Corp. 4739 142 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 1481 0 1 UUNET Technologies, Inc. 7018 1343 0 1 AT&T 1239 969 0 1 Sprint 3908 894 0 1 Supernet, Inc. 7132 848 0 1 Southwestern Bell Internet Se 4323 608 0 1 Time Warner Communications, I 7843 601 0 1 Adelphia Corp. 6197 549 0 1 BellSouth Network Solutions, 852 522 0 1 Telus Advanced Communications 209 509 0 1 Qwest 6198 486 0 1 BellSouth Network Solutions, 705 478 0 1 UUNET Technologies, Inc. 20115 470 0 1 Charter Communications 690 442 0 1 Merit Network 4355 399 0 1 EarthLink, Inc. 2386 398 0 1 AT&T Data Communications Serv 3356 396 0 1 Level 3 Communications, LLC 1 372 0 1 GENUITY 6347 360 0 1 SAVVIS Communications Corpora 11305 358 0 1 Interland Incorporated RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1004 0 1 UUNET - Commercial IP service 3301 290 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 211 0 1 France Telecom Transpac 5400 196 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 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 122 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 111 0 1 Ibernet, Internet Access Netw 5511 99 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 121 0 1 TVCABLE BOGOTA 6147 93 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 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 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 1343 1342 AT&T 1221 1151 1150 Telstra Pty Ltd 702 1004 1003 UUNET - Commercial IP service 1239 969 968 Sprint 3908 894 893 Supernet, Inc. 7132 848 847 Southwestern Bell Internet Se 4323 608 607 Time Warner Communications, I 7843 601 600 Adelphia Corp. 6197 549 548 BellSouth Network Solutions, 852 522 521 Telus Advanced Communications 209 509 508 Qwest 6198 486 485 BellSouth Network Solutions, 705 478 477 UUNET Technologies, Inc. 20115 470 469 Charter Communications 690 442 441 Merit Network 4355 399 398 EarthLink, Inc. 2386 398 397 AT&T Data Communications Serv 3356 396 395 Level 3 Communications, LLC 2907 373 372 SINET Japan 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 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 /15:1 /16:52 /17:9 /18:16 /19:20 /20:5 /21:16 /22:12 /23:13 /24:123390 /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 18 421 Videsh Sanchar Nigam Ltd. Aut 6316 8 40 StarNet, Inc. 8233 8 14 TeliaNet UK 7474 5 316 Optus Communications Pty Ltd 29869 4 4 U.S. Department of Labor - Em 1299 2 19 TeliaNet Global Network 209 1 509 Qwest 2643 1 1 IHEP-SU AS 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 16 Sungard Recovery Services, In 8708 1 154 Romania Data Systems S.A. 8737 1 11 Planet Media Group NV 9299 1 3 Philippine Long Distance Tele 14490 1 2 Extreme Networks 16441 1 27 Intellispace Inc. 20183 1 9 VeriCenter, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 64:1 66:2 67:4 80:1 137:1 193:1 195:9 198:2 199:1 202:65 203:57733 206:2 210:5 219:8 End of report