Routing Table Report 04:00 +10GMT Wed 01 Oct, 2003 Analysis Summary ---------------- BGP routing table entries examined: 125871 Prefixes after maximum aggregation: 15898 Unique aggregates announced to Internet: 211 Total ASes present in the Internet Routing Table: 15825 Origin-only ASes present in the Internet Routing Table: 13685 Origin ASes announcing only one prefix: 6268 Transit ASes present in the Internet Routing Table: 2140 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 27 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: 543233 Equivalent to 0 /8s, 8 /16s and 74 /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: 771 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22515 Total APNIC prefixes after maximum aggregation: 2002 Prefixes being announced from the APNIC address blocks: 125090 Unique aggregates announced from the APNIC address blocks: 151 APNIC Region origin ASes present in the Internet Routing Table: 1891 APNIC Region origin ASes announcing only one prefix: 556 APNIC Region transit ASes present in the Internet Routing Table: 317 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 421121 Equivalent to 0 /8s, 6 /16s and 109 /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: 75675 Total ARIN prefixes after maximum aggregation: 8671 Prefixes being announced from the ARIN address blocks: 715 Unique aggregates announced from the ARIN address blocks: 16 ARIN Region origin ASes present in the Internet Routing Table: 8651 ARIN Region origin ASes announcing only one prefix: 2992 ARIN Region transit ASes present in the Internet Routing Table: 858 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 14080 Equivalent to 0 /8s, 0 /16s and 55 /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: 22367 Total RIPE prefixes after maximum aggregation: 4879 Prefixes being announced from the RIPE address blocks: 49 Unique aggregates announced from the RIPE address blocks: 44 RIPE Region origin ASes present in the Internet Routing Table: 4866 RIPE Region origin ASes announcing only one prefix: 2616 RIPE Region transit ASes present in the Internet Routing Table: 863 Average RIPE Region AS path length visible: 7.3 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 108032 Equivalent to 0 /8s, 1 /16s and 166 /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: 5301 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: 346 LACNIC Region origin ASes announcing only one prefix: 104 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 7.2 Max LACNIC Region AS path length visible: 22 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 1133 0 1 Telstra Pty Ltd 2907 372 0 1 SINET Japan 4755 366 9 53 Videsh Sanchar Nigam Ltd. Aut 4134 354 0 1 Data Communications Bureau 703 336 0 2 UUNET 7474 331 0 2 Optus Communications Pty Ltd 2764 301 0 1 connect.com.au pty ltd 17557 292 0 1 Pakistan Telecom 9583 275 0 1 Satyam Infoway Ltd., 17676 269 0 1 XTAGE CORPORATION 3786 235 0 1 DACOM Corporation 4766 234 0 1 Korea Internet Exchange for " 9800 203 0 1 CHINA UNICOM 9498 184 0 1 BHARTI BT INTERNET LTD. 9443 183 0 1 Primus Telecommunications 4538 178 0 1 China Education and Research 9929 171 0 1 China Netcom Corp. 17642 156 0 3 RequestDSL BGP AS# for Sydney 9942 150 0 4 COMindico Australia 4739 141 0 4 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1441 0 1 UUNET Technologies, Inc. 7018 1403 0 1 AT&T 6197 976 0 1 BellSouth Network Solutions, 3908 912 0 1 Supernet, Inc. 1239 907 0 1 Sprint 18566 695 0 1 Covad Communications 4323 670 0 1 Time Warner Communications, I 3356 588 0 1 Level 3 Communications, LLC 6198 556 0 1 BellSouth Network Solutions, 7843 528 0 1 Adelphia Corp. 852 516 0 1 Telus Advanced Communications 209 505 0 1 Qwest 20115 472 0 1 Charter Communications 690 411 0 1 Merit Network 705 409 0 1 UUNET Technologies, Inc. 4355 392 0 1 EarthLink, Inc. 2386 374 0 1 AT&T Data Communications Serv 6347 353 0 1 SAVVIS Communications Corpora 19029 343 0 1 New Edge Networks 7132 336 0 1 Southwestern Bell Internet Se RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 708 0 1 UUNET - Commercial IP service 3301 294 0 1 TeliaNet Sweden 3320 270 0 1 Deutsche Telekom AG 8220 260 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 227 0 1 SWIPnet Swedish IP Network 3215 187 0 1 France Telecom Transpac 5515 184 0 1 Sonera Solution Autonomous Sy 5400 182 0 1 BT Ignite European Backbone 786 179 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 158 0 1 Romania Data Systems S.A. 3303 148 0 1 Swisscom Ltd 3246 128 0 1 Song Networks 12302 127 0 1 MobiFon S.A. 3269 119 0 1 TELECOM ITALIA 2856 112 0 1 BTnet UK Regional network 25186 105 0 1 France Telecom Transpac's Tra 3352 98 0 1 Ibernet, Internet Access Netw 9051 88 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 340 0 1 ImpSat 8151 234 0 1 UniNet S.A. de C.V. 7303 216 0 1 Telecom Argentina Stet-France 11172 188 0 1 Servicios Alestra S.A de C.V 16814 151 0 1 NSS, S.A. 10620 130 0 1 TVCABLE BOGOTA 6503 126 0 1 AVANTEL, S.A. 6147 84 0 1 Telefonica Del Peru 8065 82 0 1 Empresas Publicas de Medellin 6505 81 0 1 Global One Communicaoes Ltda 6535 75 0 1 Chilesat Servicios Empresari 11992 75 0 1 Integrated Systems 15311 74 0 1 Telefonica Empresas 11830 73 0 1 Instituto Costarricense de El 4270 68 0 1 Red de Interconexion Universi 7927 68 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 1916 60 0 1 Fundacao de Amparo a Pesquisa 4926 57 0 1 Telintar S.A. 10292 57 0 1 TELECOMMUNICATIONS OF JAMAICA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1403 1402 AT&T 1221 1133 1132 Telstra Pty Ltd 6197 976 975 BellSouth Network Solutions, 3908 912 911 Supernet, Inc. 1239 907 906 Sprint 702 708 707 UUNET - Commercial IP service 18566 695 694 Covad Communications 4323 670 669 Time Warner Communications, I 3356 588 587 Level 3 Communications, LLC 6198 556 555 BellSouth Network Solutions, 7843 528 527 Adelphia Corp. 852 516 515 Telus Advanced Communications 209 505 504 Qwest 20115 472 471 Charter Communications 690 411 410 Merit Network 705 409 408 UUNET Technologies, Inc. 4355 392 391 EarthLink, Inc. 2386 374 373 AT&T Data Communications Serv 2907 372 371 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 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 /16:3 /17:10 /18:16 /19:5 /20:6 /21:217 /22:14 /23:488 /24:125107 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 685 695 Covad Communications 9172 31 32 Macedonia On-Line Autonomous 2914 17 281 Verio, Inc. 6316 7 31 StarNet, Inc. 12455 6 26 Jambonet Autonomous system 7474 5 331 Optus Communications Pty Ltd 7633 5 131 Software Technology Parks of 4755 3 366 Videsh Sanchar Nigam Ltd. Aut 3758 1 43 SingNet 3908 1 912 Supernet, Inc. 4805 1 15 Equant (formerly Global One) 6347 1 353 SAVVIS Communications Corpora 7381 1 15 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 14686 1 1 York Internet Services, Inc. 20183 1 9 VeriCenter, Inc. 21452 1 3 SKANNET IP Network 25390 1 1 Dom Inwestycyjny BRE Banku S. 28784 1 1 OKB-TELECOM Ltd. 29115 1 1 Dominet Bank SA Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 64:3 69:1 164:5 192:3 195:1 200:2 202:38 203:59453 206:1 207:6 210:3 212:37 217:1 End of report