Routing Table Report 04:00 +10GMT Fri 23 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122425 Prefixes after maximum aggregation: 15193 Unique aggregates announced to Internet: 195 Total ASes present in the Internet Routing Table: 15094 Origin-only ASes present in the Internet Routing Table: 13080 Origin ASes announcing only one prefix: 5961 Transit ASes present in the Internet Routing Table: 2014 Transit-only ASes present in the Internet Routing Table: 60 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: 491249 Equivalent to 0 /8s, 7 /16s and 126 /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: 21373 Total APNIC prefixes after maximum aggregation: 1917 Prefixes being announced from the APNIC address blocks: 122337 Unique aggregates announced from the APNIC address blocks: 159 APNIC Region origin ASes present in the Internet Routing Table: 1792 APNIC Region origin ASes announcing only one prefix: 532 APNIC Region transit ASes present in the Internet Routing Table: 301 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 209393 Equivalent to 0 /8s, 3 /16s and 49 /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: 74782 Total ARIN prefixes after maximum aggregation: 8368 Prefixes being announced from the ARIN address blocks: 25 Unique aggregates announced from the ARIN address blocks: 15 ARIN Region origin ASes present in the Internet Routing Table: 8356 ARIN Region origin ASes announcing only one prefix: 2865 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: 20 Number of ARIN addresses announced to Internet: 30208 Equivalent to 0 /8s, 0 /16s and 118 /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: 21046 Total RIPE prefixes after maximum aggregation: 4575 Prefixes being announced from the RIPE address blocks: 46 Unique aggregates announced from the RIPE address blocks: 21 RIPE Region origin ASes present in the Internet Routing Table: 4552 RIPE Region origin ASes announcing only one prefix: 2474 RIPE Region transit ASes present in the Internet Routing Table: 807 Average RIPE Region AS path length visible: 6.3 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 251648 Equivalent to 0 /8s, 3 /16s and 215 /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: 5215 Total LACNIC prefixes after maximum aggregation: 333 Prefixes being announced from the LACNIC address blocks: 9 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: 70 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 1192 0 1 Telstra Pty Ltd 4755 430 47 83 Videsh Sanchar Nigam Ltd. Aut 2907 377 0 1 SINET Japan 17557 375 0 1 Pakistan Telecom 2764 348 0 18 connect.com.au pty ltd 703 343 0 2 UUNET 7474 320 0 2 Optus Communications Pty Ltd 4814 295 0 1 China Telecom (Group) 17676 248 0 1 XTAGE CORPORATION 3786 242 0 1 DACOM Corporation 4134 229 0 1 Data Communications Bureau 9583 221 0 1 Satyam Infoway Ltd., 4766 212 0 1 Korea Internet Exchange for " 9443 183 0 1 Primus Telecommunications 9800 182 0 1 CHINA UNICOM 9498 141 0 1 BHARTI BT INTERNET LTD. 4739 138 0 2 Commerical Internet eXchange 9238 134 0 1 TATA ISP 4716 127 0 1 TTnet 4795 123 0 1 INDOSATNET-ASN ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1529 0 1 UUNET Technologies, Inc. 7018 1330 0 4 AT&T 4151 1256 0 1 USDA 7132 965 0 1 Southwestern Bell Internet Se 1239 946 0 1 Sprint 3908 905 0 1 Supernet, Inc. 7843 673 0 1 Adelphia Corp. 4323 599 0 1 Time Warner Communications, I 2386 572 0 1 AT&T Data Communications Serv 852 535 0 1 Telus Advanced Communications 705 510 0 1 UUNET Technologies, Inc. 209 489 0 1 Qwest 6197 487 0 1 BellSouth Network Solutions, 690 477 0 1 Merit Network 20115 472 0 1 Charter Communications 6198 465 0 1 BellSouth Network Solutions, 1 460 0 1 GENUITY 4355 399 0 1 EarthLink, Inc. 3561 383 0 1 Cable & Wireless USA 6347 361 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 752 0 1 UUNET - Commercial IP service 3301 308 0 1 TeliaNet Sweden 3215 302 0 1 France Telecom Transpac 3320 263 0 1 Deutsche Telekom AG 680 232 0 1 DFN-IP service G-WiN 1257 228 0 1 SWIPnet Swedish IP Network 8220 223 0 1 COLT Internet - International 5400 193 0 1 BT Ignite European Backbone 5515 180 0 1 Sonera Solution Autonomous Sy 786 176 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 20858 164 0 1 This AS will be used to conne 8708 154 0 1 Romania Data Systems S.A. 3303 143 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 112 0 1 Song Networks 3352 108 0 1 Ibernet, Internet Access Netw 2874 97 0 1 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 302 0 1 ImpSat 7303 245 0 1 Telecom Argentina Stet-France 8151 213 0 1 UniNet S.A. de C.V. 11172 169 0 1 Servicios Alestra S.A de C.V 6503 135 0 1 AVANTEL, S.A. 16814 135 0 1 NSS, S.A. 10620 113 0 1 TVCABLE BOGOTA 6147 96 0 1 Telefonica Del Peru 11992 86 0 1 Integrated Systems 8065 80 0 1 Empresas Publicas de Medellin 6535 74 0 1 Chilesat Servicios Empresari 1916 73 0 1 Fundacao de Amparo a Pesquisa 15311 71 0 1 Telefonica Empresas 4270 68 0 1 Red de Interconexion Universi 13999 68 0 1 Mega Cable S.A. de C.V. 7738 67 0 1 Telecomunicacoes da Bahia S.A 11830 66 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 Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1330 1326 AT&T 4151 1256 1255 USDA 1221 1192 1191 Telstra Pty Ltd 7132 965 964 Southwestern Bell Internet Se 1239 946 945 Sprint 3908 905 904 Supernet, Inc. 702 752 751 UUNET - Commercial IP service 7843 673 672 Adelphia Corp. 4323 599 598 Time Warner Communications, I 2386 572 571 AT&T Data Communications Serv 852 535 534 Telus Advanced Communications 705 510 509 UUNET Technologies, Inc. 209 489 488 Qwest 6197 487 486 BellSouth Network Solutions, 690 477 476 Merit Network 20115 472 471 Charter Communications 6198 465 464 BellSouth Network Solutions, 1 460 459 GENUITY 4355 399 398 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 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 /16:3 /17:6 /18:9 /19:21 /20:14 /21:16 /22:25 /23:22 /24:122283 /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 4755 24 430 Videsh Sanchar Nigam Ltd. Aut 2764 22 348 connect.com.au pty ltd 2914 18 297 Verio, Inc. 12749 8 9 Delta Three, Israel 8905 6 6 SITEK Autonomous System 7474 5 320 Optus Communications Pty Ltd 3356 3 303 Level 3 Communications, LLC 24675 3 9 Local Government Computer Ser 8685 2 4 DorukNet Istanbul / Turkey 9125 2 3 SezamPro Professional Communi 25721 2 2 Data Control Corporation 26479 2 2 SMARTWEB, LLC 1913 1 198 Defense Logistics Agency 2386 1 572 AT&T Data Communications Serv 3776 1 2 Hawaii OnLine 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 6700 1 5 BEOTELNET 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 64:3 65:1 144:1 193:4 196:2 198:1 200:9 202:47 203:56627 204:1 206:3 207:3 208:1 209:1 210:5 213:7 216:1 219:12 End of report