Routing Table Report 04:00 +10GMT Fri 12 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124679 Prefixes after maximum aggregation: 15863 Unique aggregates announced to Internet: 277 Total ASes present in the Internet Routing Table: 15736 Origin-only ASes present in the Internet Routing Table: 13606 Origin ASes announcing only one prefix: 6227 Transit ASes present in the Internet Routing Table: 2130 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 6.8 Max AS path length visible: 36 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: 658097 Equivalent to 0 /8s, 10 /16s and 10 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 792 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22294 Total APNIC prefixes after maximum aggregation: 2062 Prefixes being announced from the APNIC address blocks: 123954 Unique aggregates announced from the APNIC address blocks: 253 APNIC Region origin ASes present in the Internet Routing Table: 1878 APNIC Region origin ASes announcing only one prefix: 549 APNIC Region transit ASes present in the Internet Routing Table: 313 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 491697 Equivalent to 0 /8s, 7 /16s and 128 /24s Percentage of available APNIC address space announced: 0.3 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: 74976 Total ARIN prefixes after maximum aggregation: 8616 Prefixes being announced from the ARIN address blocks: 694 Unique aggregates announced from the ARIN address blocks: 13 ARIN Region origin ASes present in the Internet Routing Table: 8606 ARIN Region origin ASes announcing only one prefix: 2966 ARIN Region transit ASes present in the Internet Routing Table: 850 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 61952 Equivalent to 0 /8s, 0 /16s and 242 /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: 22087 Total RIPE prefixes after maximum aggregation: 4839 Prefixes being announced from the RIPE address blocks: 14 Unique aggregates announced from the RIPE address blocks: 11 RIPE Region origin ASes present in the Internet Routing Table: 4830 RIPE Region origin ASes announcing only one prefix: 2614 RIPE Region transit ASes present in the Internet Routing Table: 868 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 104448 Equivalent to 0 /8s, 1 /16s and 152 /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: 5310 Total LACNIC prefixes after maximum aggregation: 346 Prefixes being announced from the LACNIC address blocks: 2 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 345 LACNIC Region origin ASes announcing only one prefix: 98 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 32 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 1154 0 1 Telstra Pty Ltd 4755 390 14 68 Videsh Sanchar Nigam Ltd. Aut 2907 370 0 1 SINET Japan 703 336 0 2 UUNET 7474 330 0 2 Optus Communications Pty Ltd 4134 317 0 1 Data Communications Bureau 2764 316 1 20 connect.com.au pty ltd 17557 288 1 9 Pakistan Telecom 17676 255 0 1 XTAGE CORPORATION 9583 253 0 1 Satyam Infoway Ltd., 3786 237 0 1 DACOM Corporation 4766 222 0 1 Korea Internet Exchange for " 9800 202 0 1 CHINA UNICOM 9443 184 0 3 Primus Telecommunications 9498 182 0 1 BHARTI BT INTERNET LTD. 9942 160 8 30 COMindico Australia 4538 155 0 1 China Education and Research 9929 155 0 1 China Netcom Corp. 17642 155 0 3 RequestDSL BGP AS# for Sydney 4739 143 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1471 0 1 UUNET Technologies, Inc. 7018 1396 0 1 AT&T 1239 915 0 1 Sprint 3908 912 0 1 Supernet, Inc. 18566 677 0 1 Covad Communications 4323 634 0 1 Time Warner Communications, I 6197 613 0 1 BellSouth Network Solutions, 7843 536 0 1 Adelphia Corp. 852 515 0 1 Telus Advanced Communications 209 509 0 1 Qwest 3356 490 0 1 Level 3 Communications, LLC 6198 490 0 1 BellSouth Network Solutions, 20115 483 0 1 Charter Communications 705 416 0 1 UUNET Technologies, Inc. 690 411 0 1 Merit Network 4355 392 0 1 EarthLink, Inc. 2386 374 0 1 AT&T Data Communications Serv 6347 350 0 1 SAVVIS Communications Corpora 3549 347 0 1 Global Crossing 19029 342 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 714 0 1 UUNET - Commercial IP service 3301 296 0 1 TeliaNet Sweden 3320 269 0 1 Deutsche Telekom AG 8220 245 0 1 COLT Internet - International 1257 239 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 3215 200 0 1 France Telecom Transpac 5515 185 0 1 Sonera Solution Autonomous Sy 5400 181 0 1 BT Ignite European Backbone 786 179 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 155 0 1 Romania Data Systems S.A. 3303 145 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 3246 126 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 2856 113 0 1 BTnet UK Regional network 3352 98 0 1 Ibernet, Internet Access Netw 25186 98 0 1 France Telecom Transpac's Tra 6746 88 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 336 0 1 ImpSat 7303 240 0 1 Telecom Argentina Stet-France 8151 231 0 1 UniNet S.A. de C.V. 11172 189 0 1 Servicios Alestra S.A de C.V 16814 151 0 1 NSS, S.A. 6503 131 0 1 AVANTEL, S.A. 10620 127 0 1 TVCABLE BOGOTA 6147 89 0 1 Telefonica Del Peru 11992 88 0 1 Integrated Systems 8065 82 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 75 0 1 Telefonica Empresas 11830 73 0 1 Instituto Costarricense de El 1916 71 0 1 Fundacao de Amparo a Pesquisa 4270 68 0 1 Red de Interconexion Universi 7927 68 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 13999 62 0 1 Mega Cable S.A. de C.V. 7984 59 0 1 Global One Colombia 4926 58 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1396 1395 AT&T 1221 1154 1153 Telstra Pty Ltd 1239 915 914 Sprint 3908 912 911 Supernet, Inc. 702 714 713 UUNET - Commercial IP service 18566 677 676 Covad Communications 4323 634 633 Time Warner Communications, I 6197 613 612 BellSouth Network Solutions, 7843 536 535 Adelphia Corp. 852 515 514 Telus Advanced Communications 209 509 508 Qwest 3356 490 489 Level 3 Communications, LLC 6198 490 489 BellSouth Network Solutions, 20115 483 482 Charter Communications 705 416 415 UUNET Technologies, Inc. 690 411 410 Merit Network 4355 392 391 EarthLink, Inc. 2386 374 373 AT&T Data Communications Serv 2907 370 369 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:5 /17:12 /18:17 /19:7 /20:5 /21:222 /22:25 /23:493 /24:123869 /25:4 /26:1 /27:1 /28:2 /29:10 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 667 677 Covad Communications 9942 34 160 COMindico Australia 2764 21 316 connect.com.au pty ltd 2914 17 291 Verio, Inc. 4755 16 390 Videsh Sanchar Nigam Ltd. Aut 6316 7 33 StarNet, Inc. 7474 5 330 Optus Communications Pty Ltd 2200 4 74 RENATER 2 27572 4 4 Connexion by Boeing 13894 2 2 SecureWebs, Inc. 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6085 1 1 SITA Network Operations Cente 6347 1 350 SAVVIS Communications Corpora 7381 1 15 Sungard Recovery Services, In 7911 1 19 Williams Communications Group 8866 1 63 Bulgarian Telecommunication C 10920 1 2 InterNet Labs, Inc. 11076 1 1 Netuser Communications 17860 1 5 WEBZEN Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 64:3 69:1 157:1 198:1 199:1 200:2 202:68 203:58212 205:1 206:1 209:1 210:4 212:1 213:1 216:5 219:7 220:6 End of report