Routing Table Report 04:00 +10GMT Sun 04 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122089 Prefixes after maximum aggregation: 15116 Unique aggregates announced to Internet: 192 Total ASes present in the Internet Routing Table: 15025 Origin-only ASes present in the Internet Routing Table: 13017 Origin ASes announcing only one prefix: 5950 Transit ASes present in the Internet Routing Table: 2008 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: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 266225 Equivalent to 0 /8s, 4 /16s and 15 /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: 110 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21151 Total APNIC prefixes after maximum aggregation: 1912 Prefixes being announced from the APNIC address blocks: 122026 Unique aggregates announced from the APNIC address blocks: 180 APNIC Region origin ASes present in the Internet Routing Table: 1774 APNIC Region origin ASes announcing only one prefix: 529 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: 183793 Equivalent to 0 /8s, 2 /16s and 205 /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: 74430 Total ARIN prefixes after maximum aggregation: 8319 Prefixes being announced from the ARIN address blocks: 24 Unique aggregates announced from the ARIN address blocks: 9 ARIN Region origin ASes present in the Internet Routing Table: 8308 ARIN Region origin ASes announcing only one prefix: 2851 ARIN Region transit ASes present in the Internet Routing Table: 796 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 8704 Equivalent to 0 /8s, 0 /16s and 34 /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: 21325 Total RIPE prefixes after maximum aggregation: 4552 Prefixes being announced from the RIPE address blocks: 14 Unique aggregates announced from the RIPE address blocks: 3 RIPE Region origin ASes present in the Internet Routing Table: 4548 RIPE Region origin ASes announcing only one prefix: 2480 RIPE Region transit ASes present in the Internet Routing Table: 823 Average RIPE Region AS path length visible: 6.3 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 73728 Equivalent to 0 /8s, 1 /16s and 32 /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: 5174 Total LACNIC prefixes after maximum aggregation: 333 Prefixes being announced from the LACNIC address blocks: 2 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 333 LACNIC Region origin ASes announcing only one prefix: 90 LACNIC Region transit ASes present in the Internet Routing Table: 67 Average LACNIC Region AS path length visible: 6.3 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 1210 0 1 Telstra Pty Ltd 4755 441 39 72 Videsh Sanchar Nigam Ltd. Aut 703 394 0 2 UUNET 2907 386 0 1 SINET Japan 2764 376 2 32 connect.com.au pty ltd 17557 375 0 1 Pakistan Telecom 7474 320 0 2 Optus Communications Pty Ltd 4814 297 0 1 China Telecom (Group) 17676 243 0 1 XTAGE CORPORATION 3786 242 0 1 DACOM Corporation 4134 225 0 1 Data Communications Bureau 9583 220 0 1 Satyam Infoway Ltd., 4766 216 0 1 Korea Internet Exchange for " 9443 180 0 1 Primus Telecommunications 9800 180 0 1 CHINA UNICOM 9238 139 0 1 TATA ISP 4739 137 0 2 Commerical Internet eXchange 9498 128 0 1 BHARTI BT INTERNET LTD. 4716 126 0 1 TTnet 4515 124 0 1 Star Internet Services Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1536 0 1 UUNET Technologies, Inc. 7018 1328 0 1 AT&T 4151 1020 0 1 USDA 1239 966 0 1 Sprint 7132 961 0 1 Southwestern Bell Internet Se 3908 896 0 1 Supernet, Inc. 7843 679 0 1 Adelphia Corp. 4323 584 0 1 Time Warner Communications, I 1 579 0 1 GENUITY 852 547 0 1 Telus Advanced Communications 2386 545 0 1 AT&T Data Communications Serv 705 528 0 1 UUNET Technologies, Inc. 3561 503 0 1 Cable & Wireless USA 209 492 0 2 Qwest 690 486 0 1 Merit Network 6197 478 0 1 BellSouth Network Solutions, 20115 476 0 1 Charter Communications 6198 461 0 1 BellSouth Network Solutions, 4355 381 0 1 EarthLink, Inc. 3549 377 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 757 0 1 UUNET - Commercial IP service 3301 308 0 1 TeliaNet Sweden 3215 304 0 1 France Telecom Transpac 3320 264 0 1 Deutsche Telekom AG 680 231 0 1 DFN-IP service G-WiN 1257 225 0 1 SWIPnet Swedish IP Network 8220 199 0 1 COLT Internet - International 5400 193 0 1 BT Ignite European Backbone 5515 186 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 175 0 1 LANLINK autonomous system 20858 165 0 1 This AS will be used to conne 8708 162 0 1 Romania Data Systems S.A. 3303 141 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 124 0 1 BTnet UK Regional network 3269 112 0 1 TELECOM ITALIA 3246 109 0 1 Song Networks 3352 108 0 1 Ibernet, Internet Access Netw 2874 102 0 1 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 290 0 1 ImpSat 7303 255 0 1 Telecom Argentina Stet-France 8151 223 0 1 UniNet S.A. de C.V. 11172 166 0 1 Servicios Alestra S.A de C.V 16814 139 0 1 NSS, S.A. 6503 137 0 1 AVANTEL, S.A. 10620 113 0 1 TVCABLE BOGOTA 6147 91 0 1 Telefonica Del Peru 11992 88 0 1 Integrated Systems 13999 74 0 1 Mega Cable S.A. de C.V. 1916 73 0 1 Fundacao de Amparo a Pesquisa 6535 73 0 1 Chilesat Servicios Empresari 8065 73 0 1 Empresas Publicas de Medellin 15311 72 0 1 Telefonica Empresas 4270 67 0 1 Red de Interconexion Universi 11830 67 0 1 Instituto Costarricense de El 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7984 61 0 1 Global One Colombia 15034 60 0 1 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1328 1327 AT&T 1221 1210 1209 Telstra Pty Ltd 4151 1020 1019 USDA 1239 966 965 Sprint 7132 961 960 Southwestern Bell Internet Se 3908 896 895 Supernet, Inc. 702 757 756 UUNET - Commercial IP service 7843 679 678 Adelphia Corp. 4323 584 583 Time Warner Communications, I 1 579 578 GENUITY 852 547 546 Telus Advanced Communications 2386 545 544 AT&T Data Communications Serv 705 528 527 UUNET Technologies, Inc. 3561 503 502 Cable & Wireless USA 209 492 490 Qwest 690 486 485 Merit Network 6197 478 477 BellSouth Network Solutions, 20115 476 475 Charter Communications 6198 461 460 BellSouth Network Solutions, List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65100 PRIVATE 203.14.8.16/24 38 University of Illino 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p 65103 PRIVATE 203.14.8.16/24 4768 CLEAR Internet Excha 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 /16:5 /17:5 /18:7 /19:9 /20:11 /21:23 /22:24 /23:24 /24:121955 /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 39 376 connect.com.au pty ltd 4755 20 441 Videsh Sanchar Nigam Ltd. Aut 2914 18 298 Verio, Inc. 7474 5 320 Optus Communications Pty Ltd 7571 5 19 Australian Academic and Rease 19447 5 6 ALFANUMERIC 20577 3 3 Tradeweb Europe Ltd, London 702 1 757 UUNET - Commercial IP service 1257 1 225 SWIPnet Swedish IP Network 3549 1 377 Global Crossing 3699 1 33 Sense 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7098 1 4 World Web Internet Services P 7381 1 15 Sungard Recovery Services, In 7719 1 20 Up n Away Net Solutions 7944 1 37 DelMarVa OnLine! 14932 1 1 Celera Genomics, A PE Corpora 16441 1 26 Intellispace Inc. 20183 1 9 VeriCenter, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:17 62:1 63:7 65:1 130:2 134:1 192:1 193:3 196:4 198:1 200:2 202:62 203:56289 205:1 206:2 209:1 210:13 216:2 219:9 End of report