Routing Table Report 04:00 +10GMT Mon 26 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122945 Prefixes after maximum aggregation: 15270 Unique aggregates announced to Internet: 213 Total ASes present in the Internet Routing Table: 15153 Origin-only ASes present in the Internet Routing Table: 13124 Origin ASes announcing only one prefix: 5976 Transit ASes present in the Internet Routing Table: 2029 Transit-only ASes present in the Internet Routing Table: 63 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: 17111537 Equivalent to 1 /8s, 5 /16s and 25 /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: 116 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21514 Total APNIC prefixes after maximum aggregation: 1959 Prefixes being announced from the APNIC address blocks: 122885 Unique aggregates announced from the APNIC address blocks: 199 APNIC Region origin ASes present in the Internet Routing Table: 1797 APNIC Region origin ASes announcing only one prefix: 536 APNIC Region transit ASes present in the Internet Routing Table: 300 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 209905 Equivalent to 0 /8s, 3 /16s and 51 /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: 74899 Total ARIN prefixes after maximum aggregation: 8383 Prefixes being announced from the ARIN address blocks: 18 Unique aggregates announced from the ARIN address blocks: 6 ARIN Region origin ASes present in the Internet Routing Table: 8373 ARIN Region origin ASes announcing only one prefix: 2863 ARIN Region transit ASes present in the Internet Routing Table: 827 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 20 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: 21304 Total RIPE prefixes after maximum aggregation: 4596 Prefixes being announced from the RIPE address blocks: 24 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 4588 RIPE Region origin ASes announcing only one prefix: 2488 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: 119040 Equivalent to 0 /8s, 1 /16s and 209 /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: 5216 Total LACNIC prefixes after maximum aggregation: 332 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: 332 LACNIC Region origin ASes announcing only one prefix: 89 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 1192 0 1 Telstra Pty Ltd 4755 444 25 102 Videsh Sanchar Nigam Ltd. Aut 2907 378 0 1 SINET Japan 17557 373 0 1 Pakistan Telecom 703 347 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 228 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 128 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 1531 0 1 UUNET Technologies, Inc. 7018 1332 0 1 AT&T 4151 1280 0 1 USDA 7132 965 0 1 Southwestern Bell Internet Se 1239 943 0 1 Sprint 3908 904 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 852 534 0 1 Telus Advanced Communications 705 510 0 1 UUNET Technologies, Inc. 209 489 0 1 Qwest 6197 487 0 1 BellSouth Network Solutions, 690 476 0 1 Merit Network 20115 472 0 1 Charter Communications 6198 464 0 1 BellSouth Network Solutions, 1 454 0 1 GENUITY 4355 399 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 168 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 95 0 1 Telefonica Del Peru 11992 85 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. 11830 66 0 1 Instituto Costarricense de El 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7738 63 0 1 Telecomunicacoes da Bahia S.A 7984 61 0 1 Global One Colombia Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1332 1331 AT&T 4151 1280 1279 USDA 1221 1192 1191 Telstra Pty Ltd 7132 965 964 Southwestern Bell Internet Se 1239 943 942 Sprint 3908 904 903 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 852 534 533 Telus Advanced Communications 705 510 509 UUNET Technologies, Inc. 209 489 488 Qwest 6197 487 486 BellSouth Network Solutions, 690 476 475 Merit Network 20115 472 471 Charter Communications 6198 464 463 BellSouth Network Solutions, 1 454 453 GENUITY 4355 399 398 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 /16:1 /17:8 /18:9 /19:11 /20:15 /21:13 /22:21 /23:21 /24:122820 /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 4657 19 57 Starhub Internet, Singapore 4755 19 444 Videsh Sanchar Nigam Ltd. Aut 2914 18 297 Verio, Inc. 9803 7 23 Beijing Jingxun Public Inform 7474 5 320 Optus Communications Pty Ltd 151 4 33 Hewlett-Packard Company 12920 4 4 Verena Internet Services 5606 2 25 KPNQwest Romania AS 6001 2 9 HQ USASC - USANETA 14092 2 6 NJ Internet Access 16675 2 2 WinMill Software 23432 2 7 Tusco.Net, Inc. 4805 1 15 Equant (formerly Global One) 5572 1 3 BOTIK 6051 1 1 US DOD NIC Unregistered 6085 1 1 SITA Network Operations Cente 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 16441 1 27 Intellispace Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:35 63:4 64:1 80:1 144:3 159:1 192:3 194:3 195:1 198:1 202:62 203:57148 206:3 207:2 210:5 217:1 219:9 End of report