Routing Table Report 04:00 +10GMT Mon 23 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122238 Prefixes after maximum aggregation: 15348 Unique aggregates announced to Internet: 122 Total ASes present in the Internet Routing Table: 15298 Origin-only ASes present in the Internet Routing Table: 13259 Origin ASes announcing only one prefix: 6047 Transit ASes present in the Internet Routing Table: 2039 Transit-only ASes present in the Internet Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.8 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: 17085937 Equivalent to 1 /8s, 4 /16s and 181 /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: 95 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21445 Total APNIC prefixes after maximum aggregation: 1895 Prefixes being announced from the APNIC address blocks: 122148 Unique aggregates announced from the APNIC address blocks: 97 APNIC Region origin ASes present in the Internet Routing Table: 1813 APNIC Region origin ASes announcing only one prefix: 534 APNIC Region transit ASes present in the Internet Routing Table: 291 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 275185 Equivalent to 0 /8s, 4 /16s and 50 /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: 74196 Total ARIN prefixes after maximum aggregation: 8459 Prefixes being announced from the ARIN address blocks: 30 Unique aggregates announced from the ARIN address blocks: 20 ARIN Region origin ASes present in the Internet Routing Table: 8434 ARIN Region origin ASes announcing only one prefix: 2894 ARIN Region transit ASes present in the Internet Routing Table: 824 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 12288 Equivalent to 0 /8s, 0 /16s and 48 /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: 21332 Total RIPE prefixes after maximum aggregation: 4658 Prefixes being announced from the RIPE address blocks: 18 Unique aggregates announced from the RIPE address blocks: 4 RIPE Region origin ASes present in the Internet Routing Table: 4653 RIPE Region origin ASes announcing only one prefix: 2528 RIPE Region transit ASes present in the Internet Routing Table: 829 Average RIPE Region AS path length visible: 6.6 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 21248 Equivalent to 0 /8s, 0 /16s and 83 /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: 5252 Total LACNIC prefixes after maximum aggregation: 336 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: 336 LACNIC Region origin ASes announcing only one prefix: 91 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 7.0 Max LACNIC Region AS path length visible: 28 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 1157 0 1 Telstra Pty Ltd 4755 421 9 16 Videsh Sanchar Nigam Ltd. Aut 2907 371 0 1 SINET Japan 17557 347 0 1 Pakistan Telecom 2764 337 1 19 connect.com.au pty ltd 703 335 0 2 UUNET 7474 319 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 244 0 1 DACOM Corporation 9583 230 0 1 Satyam Infoway Ltd., 4134 218 0 1 Data Communications Bureau 4766 211 0 1 Korea Internet Exchange for " 9800 187 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 166 0 1 BHARTI BT INTERNET LTD. 4739 141 0 2 Commerical Internet eXchange 9238 135 0 1 TATA ISP 4716 128 0 1 TTnet 9929 126 2 2 China Netcom Corp. 4713 123 0 1 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1506 0 1 UUNET Technologies, Inc. 7018 1337 0 1 AT&T 1239 959 0 1 Sprint 3908 887 0 1 Supernet, Inc. 7132 879 0 1 Southwestern Bell Internet Se 11305 647 0 1 Interland Incorporated 7843 610 0 1 Adelphia Corp. 4323 602 0 1 Time Warner Communications, I 852 526 0 1 Telus Advanced Communications 6197 519 0 1 BellSouth Network Solutions, 705 508 0 1 UUNET Technologies, Inc. 209 496 0 1 Qwest 6198 474 0 1 BellSouth Network Solutions, 20115 463 0 1 Charter Communications 690 448 0 1 Merit Network 1 432 0 1 GENUITY 2386 407 0 1 AT&T Data Communications Serv 4355 397 0 1 EarthLink, Inc. 3561 374 0 1 Cable & Wireless USA 6347 367 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 739 0 1 UUNET - Commercial IP service 3301 302 0 1 TeliaNet Sweden 3320 265 0 1 Deutsche Telekom AG 3215 258 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 226 0 1 COLT Internet - International 1257 223 0 1 SWIPnet Swedish IP Network 5400 202 0 1 BT Ignite European Backbone 5515 179 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 719 175 0 1 LANLINK autonomous system 8708 153 0 1 Romania Data Systems S.A. 3303 140 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 124 0 1 BTnet UK Regional network 3246 120 0 1 Song Networks 3269 118 0 1 TELECOM ITALIA 3352 109 0 1 Ibernet, Internet Access Netw 5511 101 0 1 France Telecom 6746 89 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 293 0 1 ImpSat 7303 238 0 1 Telecom Argentina Stet-France 8151 213 0 1 UniNet S.A. de C.V. 11172 171 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 128 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 99 0 1 Telefonica Del Peru 11992 86 0 1 Integrated Systems 13999 86 0 1 Mega Cable S.A. de C.V. 8065 80 0 1 Empresas Publicas de Medellin 6535 76 0 1 Chilesat Servicios Empresari 15311 72 0 1 Telefonica Empresas 1916 71 0 1 Fundacao de Amparo a Pesquisa 4270 67 0 1 Red de Interconexion Universi 11830 66 0 1 Instituto Costarricense de El 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 15034 62 0 1 TIBA SA 7984 61 0 1 Global One Colombia Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1337 1336 AT&T 1221 1157 1156 Telstra Pty Ltd 1239 959 958 Sprint 3908 887 886 Supernet, Inc. 7132 879 878 Southwestern Bell Internet Se 702 739 738 UUNET - Commercial IP service 11305 647 646 Interland Incorporated 7843 610 609 Adelphia Corp. 4323 602 601 Time Warner Communications, I 852 526 525 Telus Advanced Communications 6197 519 518 BellSouth Network Solutions, 705 508 507 UUNET Technologies, Inc. 209 496 495 Qwest 6198 474 473 BellSouth Network Solutions, 20115 463 462 Charter Communications 690 448 447 Merit Network 1 432 431 GENUITY 2386 407 406 AT&T Data Communications Serv 4755 421 405 Videsh Sanchar Nigam Ltd. Aut 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 /16:30 /17:8 /18:10 /19:9 /20:7 /21:8 /22:19 /23:20 /24:122101 /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 22 337 connect.com.au pty ltd 2914 18 295 Verio, Inc. 4755 16 421 Videsh Sanchar Nigam Ltd. Aut 8961 7 8 Emirates Internet Exchange MC 4977 6 9 Pecos Technologies 7474 5 319 Optus Communications Pty Ltd 17360 3 3 Global Horizons 7219 2 11 Homecom Communications Inc. 8966 2 2 Emirates Internet Exchange Ro 12533 2 5 RMnet Communications 16229 2 29 ThunderNet Ltd 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 9299 1 3 Philippine Long Distance Tele 13882 1 13 Hartford Life Insurance Compa 16441 1 27 Intellispace Inc. 17189 1 2 Digital Ingenuity, Inc. 19447 1 6 ALFANUMERIC Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 63:1 154:1 162:1 194:1 195:9 198:1 199:1 200:1 202:30 203:56478 204:1 206:1 207:5 208:1 209:2 210:5 217:1 219:7 End of report