Routing Table Report 04:00 +10GMT Wed 02 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122966 Prefixes after maximum aggregation: 15434 Unique aggregates announced to Internet: 206 Total ASes present in the Internet Routing Table: 15350 Origin-only ASes present in the Internet Routing Table: 13290 Origin ASes announcing only one prefix: 6072 Transit ASes present in the Internet Routing Table: 2060 Transit-only ASes present in the Internet Routing Table: 70 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: 2 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 17368209 Equivalent to 1 /8s, 9 /16s and 4 /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: 83 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21680 Total APNIC prefixes after maximum aggregation: 1957 Prefixes being announced from the APNIC address blocks: 122931 Unique aggregates announced from the APNIC address blocks: 187 APNIC Region origin ASes present in the Internet Routing Table: 1819 APNIC Region origin ASes announcing only one prefix: 529 APNIC Region transit ASes present in the Internet Routing Table: 293 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 349073 Equivalent to 0 /8s, 5 /16s and 83 /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: 74204 Total ARIN prefixes after maximum aggregation: 8446 Prefixes being announced from the ARIN address blocks: 11 Unique aggregates announced from the ARIN address blocks: 6 ARIN Region origin ASes present in the Internet Routing Table: 8440 ARIN Region origin ASes announcing only one prefix: 2895 ARIN Region transit ASes present in the Internet Routing Table: 826 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 25 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: 21831 Total RIPE prefixes after maximum aggregation: 4694 Prefixes being announced from the RIPE address blocks: 19 Unique aggregates announced from the RIPE address blocks: 12 RIPE Region origin ASes present in the Internet Routing Table: 4684 RIPE Region origin ASes announcing only one prefix: 2558 RIPE Region transit ASes present in the Internet Routing Table: 850 Average RIPE Region AS path length visible: 6.7 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 238592 Equivalent to 0 /8s, 3 /16s and 164 /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: 5239 Total LACNIC prefixes after maximum aggregation: 337 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: 337 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: 6.4 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 1158 0 1 Telstra Pty Ltd 4755 427 23 91 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 17557 344 0 1 Pakistan Telecom 2764 340 1 20 connect.com.au pty ltd 703 336 0 2 UUNET 7474 317 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 242 0 1 DACOM Corporation 9583 233 0 1 Satyam Infoway Ltd., 4134 220 0 1 Data Communications Bureau 4766 218 0 1 Korea Internet Exchange for " 9800 189 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 168 0 1 BHARTI BT INTERNET LTD. 9929 143 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 138 0 1 TATA ISP 4716 132 0 1 TTnet 4713 122 0 1 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1500 0 1 UUNET Technologies, Inc. 7018 1339 0 1 AT&T 1239 963 0 1 Sprint 3908 899 0 1 Supernet, Inc. 7132 838 0 1 Southwestern Bell Internet Se 7843 634 0 1 Adelphia Corp. 4323 607 0 1 Time Warner Communications, I 11305 549 0 1 Interland Incorporated 852 525 0 1 Telus Advanced Communications 6197 522 0 1 BellSouth Network Solutions, 209 512 0 1 Qwest 705 508 0 1 UUNET Technologies, Inc. 6198 482 0 1 BellSouth Network Solutions, 20115 459 0 1 Charter Communications 690 448 0 1 Merit Network 2386 408 0 1 AT&T Data Communications Serv 1 403 0 1 GENUITY 4355 397 0 1 EarthLink, Inc. 3561 373 0 1 Cable & Wireless USA 6347 362 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1019 0 4 UUNET - Commercial IP service 3301 293 0 1 TeliaNet Sweden 3320 268 0 1 Deutsche Telekom AG 3215 253 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 231 0 1 COLT Internet - International 1257 226 0 1 SWIPnet Swedish IP Network 5400 201 0 1 BT Ignite European Backbone 5515 187 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 175 0 1 LANLINK autonomous system 8708 154 0 1 Romania Data Systems S.A. 3303 141 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 117 0 1 TELECOM ITALIA 3352 110 0 1 Ibernet, Internet Access Netw 5511 103 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 297 0 1 ImpSat 7303 235 0 1 Telecom Argentina Stet-France 8151 215 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 131 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 99 0 1 Telefonica Del Peru 11992 88 0 1 Integrated Systems 13999 86 0 1 Mega Cable S.A. de C.V. 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 72 0 1 Telefonica Empresas 1916 71 0 1 Fundacao de Amparo a Pesquisa 4270 68 0 1 Red de Interconexion Universi 11830 68 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 1339 1338 AT&T 1221 1158 1157 Telstra Pty Ltd 702 1019 1015 UUNET - Commercial IP service 1239 963 962 Sprint 3908 899 898 Supernet, Inc. 7132 838 837 Southwestern Bell Internet Se 7843 634 633 Adelphia Corp. 4323 607 606 Time Warner Communications, I 11305 549 548 Interland Incorporated 852 525 524 Telus Advanced Communications 6197 522 521 BellSouth Network Solutions, 209 512 511 Qwest 705 508 507 UUNET Technologies, Inc. 6198 482 481 BellSouth Network Solutions, 20115 459 458 Charter Communications 690 448 447 Merit Network 2386 408 407 AT&T Data Communications Serv 1 403 402 GENUITY 4355 397 396 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 64732 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 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 /15:1 /16:0 /17:9 /18:13 /19:7 /20:5 /21:12 /22:13 /23:14 /24:122864 /25:6 /26:0 /27:2 /28:2 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2764 24 340 connect.com.au pty ltd 4755 19 427 Videsh Sanchar Nigam Ltd. Aut 2914 18 301 Verio, Inc. 7474 5 317 Optus Communications Pty Ltd 702 4 1019 UUNET - Commercial IP service 6451 2 19 AccessCom 8708 2 154 Romania Data Systems S.A. 2386 1 408 AT&T Data Communications Serv 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 16441 1 27 Intellispace Inc. 20183 1 9 VeriCenter, Inc. 25304 1 1 University TRANSILVANIA Braso Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 81:1 193:1 199:1 202:42 203:57243 205:1 206:1 207:1 208:2 210:5 212:1 213:3 219:8 End of report