Routing Table Report 04:00 +10GMT Thu 12 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122346 Prefixes after maximum aggregation: 15261 Unique aggregates announced to Internet: 100 Total ASes present in the Internet Routing Table: 15229 Origin-only ASes present in the Internet Routing Table: 13192 Origin ASes announcing only one prefix: 6017 Transit ASes present in the Internet Routing Table: 2037 Transit-only ASes present in the Internet Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 8 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 17234673 Equivalent to 1 /8s, 6 /16s and 250 /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: 110 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21358 Total APNIC prefixes after maximum aggregation: 1867 Prefixes being announced from the APNIC address blocks: 122232 Unique aggregates announced from the APNIC address blocks: 82 APNIC Region origin ASes present in the Internet Routing Table: 1801 APNIC Region origin ASes announcing only one prefix: 530 APNIC Region transit ASes present in the Internet Routing Table: 294 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 361201 Equivalent to 0 /8s, 5 /16s and 130 /24s Percentage of available APNIC address space announced: 0.2 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: 74528 Total ARIN prefixes after maximum aggregation: 8424 Prefixes being announced from the ARIN address blocks: 39 Unique aggregates announced from the ARIN address blocks: 6 ARIN Region origin ASes present in the Internet Routing Table: 8417 ARIN Region origin ASes announcing only one prefix: 2886 ARIN Region transit ASes present in the Internet Routing Table: 830 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 3328 Equivalent to 0 /8s, 0 /16s and 13 /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: 21200 Total RIPE prefixes after maximum aggregation: 4638 Prefixes being announced from the RIPE address blocks: 45 Unique aggregates announced from the RIPE address blocks: 11 RIPE Region origin ASes present in the Internet Routing Table: 4618 RIPE Region origin ASes announcing only one prefix: 2515 RIPE Region transit ASes present in the Internet Routing Table: 822 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 92928 Equivalent to 0 /8s, 1 /16s and 107 /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: 5244 Total LACNIC prefixes after maximum aggregation: 332 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: 332 LACNIC Region origin ASes announcing only one prefix: 86 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 6.4 Max LACNIC Region AS path length visible: 26 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 1175 0 1 Telstra Pty Ltd 4755 442 8 15 Videsh Sanchar Nigam Ltd. Aut 2907 374 0 1 SINET Japan 17557 347 0 1 Pakistan Telecom 2764 345 0 18 connect.com.au pty ltd 703 343 0 2 UUNET 7474 321 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 4134 234 0 1 Data Communications Bureau 9583 226 0 1 Satyam Infoway Ltd., 4766 211 0 1 Korea Internet Exchange for " 9443 182 0 1 Primus Telecommunications 9800 180 0 1 CHINA UNICOM 9498 157 0 1 BHARTI BT INTERNET LTD. 4739 140 0 2 Commerical Internet eXchange 9238 135 0 1 TATA ISP 4716 128 0 1 TTnet 4713 124 0 1 NTT Communications Corporatio 4515 117 0 1 Star Internet Services Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1518 0 1 UUNET Technologies, Inc. 7018 1334 0 1 AT&T 7132 1015 0 1 Southwestern Bell Internet Se 1239 957 0 1 Sprint 3908 897 0 1 Supernet, Inc. 11305 645 0 1 Interland Incorporated 7843 629 0 1 Adelphia Corp. 4323 600 0 1 Time Warner Communications, I 852 523 0 1 Telus Advanced Communications 705 508 0 1 UUNET Technologies, Inc. 209 494 0 2 Qwest 6197 492 0 1 BellSouth Network Solutions, 6198 467 0 1 BellSouth Network Solutions, 20115 462 0 1 Charter Communications 690 450 0 1 Merit Network 1 439 0 1 GENUITY 2386 404 0 1 AT&T Data Communications Serv 4355 401 0 1 EarthLink, Inc. 3561 381 0 1 Cable & Wireless USA 6347 363 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 746 0 1 UUNET - Commercial IP service 3301 303 0 1 TeliaNet Sweden 3215 298 0 1 France Telecom Transpac 3320 263 0 1 Deutsche Telekom AG 680 232 0 1 DFN-IP service G-WiN 1257 223 1 5 SWIPnet Swedish IP Network 8220 223 0 1 COLT Internet - International 5400 209 0 1 BT Ignite European Backbone 786 178 0 1 The JANET IP Service 5515 178 0 1 Sonera Solution Autonomous Sy 719 175 0 1 LANLINK autonomous system 8708 152 0 1 Romania Data Systems S.A. 3303 140 0 1 Swisscom Ltd 12302 128 0 1 MobiFon S.A. 2856 124 0 1 BTnet UK Regional network 3246 118 0 1 Song Networks 3269 118 0 1 TELECOM ITALIA 3352 109 0 1 Ibernet, Internet Access Netw 5511 95 0 1 France Telecom 6746 87 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 294 0 1 ImpSat 7303 238 0 1 Telecom Argentina Stet-France 8151 216 0 1 UniNet S.A. de C.V. 11172 172 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 129 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 99 0 1 Telefonica Del Peru 13999 86 0 1 Mega Cable S.A. de C.V. 11992 85 0 1 Integrated Systems 8065 82 0 1 Empresas Publicas de Medellin 6535 74 0 1 Chilesat Servicios Empresari 1916 72 0 1 Fundacao de Amparo a Pesquisa 15311 71 0 1 Telefonica Empresas 4270 68 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 65534 * 7018 1334 1333 AT&T 1221 1175 1174 Telstra Pty Ltd 7132 1015 1014 Southwestern Bell Internet Se 1239 957 956 Sprint 3908 897 896 Supernet, Inc. 702 746 745 UUNET - Commercial IP service 11305 645 644 Interland Incorporated 7843 629 628 Adelphia Corp. 4323 600 599 Time Warner Communications, I 852 523 522 Telus Advanced Communications 705 508 507 UUNET Technologies, Inc. 209 494 492 Qwest 6197 492 491 BellSouth Network Solutions, 6198 467 466 BellSouth Network Solutions, 20115 462 461 Charter Communications 690 450 449 Merit Network 1 439 438 GENUITY 4755 442 427 Videsh Sanchar Nigam Ltd. Aut 2386 404 403 AT&T Data Communications Serv 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 64811 PRIVATE 203.14.8.16/24 4813 China Telecom(Group) 64811 PRIVATE 203.14.8.16/24 4813 China Telecom(Group) 64811 PRIVATE 203.14.8.16/24 4813 China Telecom(Group) 64811 PRIVATE 203.14.8.16/24 4813 China Telecom(Group) 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 /16:19 /17:13 /18:13 /19:14 /20:7 /21:10 /22:16 /23:23 /24:122205 /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 22 345 connect.com.au pty ltd 2914 18 295 Verio, Inc. 4755 17 442 Videsh Sanchar Nigam Ltd. Aut 5408 6 17 Greek Research and Technology 7474 5 321 Optus Communications Pty Ltd 1257 4 223 SWIPnet Swedish IP Network 5489 4 4 Technological and Educational 15690 3 3 National Observatory of Athen 17360 3 3 Global Horizons 1547 2 7 US DOD NIC Unregistered 8253 2 2 Democritus University of Thra 8581 2 2 University of Ioannina 8700 2 2 TECHNOLOGICAL EDUCATIONAL INS 19382 2 2 Faultless Starch/Bon Ami 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 8248 1 3 Greek High-School Internet Ne 8278 1 2 Technical University of Crete Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 64:1 65:1 143:4 192:1 194:2 195:1 199:24 202:30 203:56565 205:1 206:1 208:1 209:2 210:6 212:1 217:2 219:8 End of report