Routing Table Report 04:00 +10GMT Sun 25 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122865 Prefixes after maximum aggregation: 15238 Unique aggregates announced to Internet: 204 Total ASes present in the Internet Routing Table: 15143 Origin-only ASes present in the Internet Routing Table: 13113 Origin ASes announcing only one prefix: 5972 Transit ASes present in the Internet Routing Table: 2030 Transit-only ASes present in the Internet Routing Table: 64 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: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 17022449 Equivalent to 1 /8s, 3 /16s and 189 /24s Percentage of available address space announced: 0.5 Percentage of allocated address space announced: 0.8 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 86 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21482 Total APNIC prefixes after maximum aggregation: 1936 Prefixes being announced from the APNIC address blocks: 122818 Unique aggregates announced from the APNIC address blocks: 184 APNIC Region origin ASes present in the Internet Routing Table: 1794 APNIC Region origin ASes announcing only one prefix: 530 APNIC Region transit ASes present in the Internet Routing Table: 301 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 110577 Equivalent to 0 /8s, 1 /16s and 175 /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: 74871 Total ARIN prefixes after maximum aggregation: 8374 Prefixes being announced from the ARIN address blocks: 12 Unique aggregates announced from the ARIN address blocks: 5 ARIN Region origin ASes present in the Internet Routing Table: 8369 ARIN Region origin ASes announcing only one prefix: 2866 ARIN Region transit ASes present in the Internet Routing Table: 825 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 3072 Equivalent to 0 /8s, 0 /16s and 12 /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: 21276 Total RIPE prefixes after maximum aggregation: 4597 Prefixes being announced from the RIPE address blocks: 29 Unique aggregates announced from the RIPE address blocks: 14 RIPE Region origin ASes present in the Internet Routing Table: 4585 RIPE Region origin ASes announcing only one prefix: 2486 RIPE Region transit ASes present in the Internet Routing Table: 814 Average RIPE Region AS path length visible: 6.3 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 131584 Equivalent to 0 /8s, 2 /16s and 2 /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: 5224 Total LACNIC prefixes after maximum aggregation: 331 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: 331 LACNIC Region origin ASes announcing only one prefix: 90 LACNIC Region transit ASes present in the Internet Routing Table: 71 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 1189 0 1 Telstra Pty Ltd 4755 444 25 102 Videsh Sanchar Nigam Ltd. Aut 2907 378 0 1 SINET Japan 17557 360 0 1 Pakistan Telecom 703 346 0 2 UUNET 2764 346 0 18 connect.com.au pty ltd 7474 320 0 2 Optus Communications Pty Ltd 4814 295 0 1 China Telecom (Group) 17676 248 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 4134 229 0 1 Data Communications Bureau 9583 226 0 1 Satyam Infoway Ltd., 4766 212 0 1 Korea Internet Exchange for " 9443 184 0 1 Primus Telecommunications 9800 182 0 1 CHINA UNICOM 9498 142 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 1328 0 1 AT&T 4151 1283 0 1 USDA 7132 965 0 1 Southwestern Bell Internet Se 1239 942 0 1 Sprint 3908 905 0 1 Supernet, Inc. 7843 669 0 1 Adelphia Corp. 4323 596 0 1 Time Warner Communications, I 2386 563 0 1 AT&T Data Communications Serv 852 533 0 1 Telus Advanced Communications 705 510 0 1 UUNET Technologies, Inc. 209 490 0 1 Qwest 6197 487 0 1 BellSouth Network Solutions, 690 476 0 1 Merit Network 6198 465 0 1 BellSouth Network Solutions, 1 455 0 1 GENUITY 20115 445 0 1 Charter Communications 4355 398 0 1 EarthLink, Inc. 3561 381 0 1 Cable & Wireless USA 6347 360 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 3320 344 0 1 Deutsche Telekom AG 3301 308 0 1 TeliaNet Sweden 3215 302 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 1257 228 0 1 SWIPnet Swedish IP Network 8220 224 0 1 COLT Internet - International 5400 193 0 1 BT Ignite European Backbone 5515 180 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 8708 154 0 1 Romania Data Systems S.A. 3303 143 0 1 Swisscom Ltd 12302 128 0 1 MobiFon S.A. 20858 125 0 1 This AS will be used to conne 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 101 0 1 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 300 0 1 ImpSat 7303 246 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 13999 68 0 1 Mega Cable S.A. de C.V. 4270 67 0 1 Red de Interconexion Universi 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 1328 1327 AT&T 4151 1283 1282 USDA 1221 1189 1188 Telstra Pty Ltd 7132 965 964 Southwestern Bell Internet Se 1239 942 941 Sprint 3908 905 904 Supernet, Inc. 702 752 751 UUNET - Commercial IP service 7843 669 668 Adelphia Corp. 4323 596 595 Time Warner Communications, I 2386 563 562 AT&T Data Communications Serv 852 533 532 Telus Advanced Communications 705 510 509 UUNET Technologies, Inc. 209 490 489 Qwest 6197 487 486 BellSouth Network Solutions, 690 476 475 Merit Network 6198 465 464 BellSouth Network Solutions, 1 455 454 GENUITY 20115 445 444 Charter Communications 4355 398 397 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65516 PRIVATE 203.14.8.16/24 17621 China Netcom Corp. 65516 PRIVATE 203.14.8.16/24 17621 China Netcom Corp. 65516 PRIVATE 203.14.8.16/24 17621 China Netcom Corp. 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 /8:1 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:0 /17:5 /18:7 /19:9 /20:9 /21:13 /22:19 /23:19 /24:122758 /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 22 346 connect.com.au pty ltd 4755 19 444 Videsh Sanchar Nigam Ltd. Aut 2914 18 297 Verio, Inc. 7474 5 320 Optus Communications Pty Ltd 3356 3 304 Level 3 Communications, LLC 13099 2 3 AzEuroTel Autonomous System 21491 2 6 UTL On-line is RF broadband I 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 8761 1 34 RETENET Autonomous System 9299 1 3 Philippine Long Distance Tele 13494 1 1 Morningstar Inc. 15808 1 4 Communication Solutions Ltd i 16441 1 27 Intellispace Inc. 20183 1 9 VeriCenter, Inc. 20921 1 19 AMENA Autonomous System 25120 1 1 ADP GSI ESPANA Autonomous Sys 25247 1 1 AUTONOMOUS SYSTEM OF IBERCAJA Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 64:2 65:1 198:1 200:1 202:57 203:57120 206:1 208:2 209:1 210:5 212:1 213:2 217:1 219:9 End of report