Routing Table Report 04:00 +10GMT Wed 24 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124881 Prefixes after maximum aggregation: 15906 Unique aggregates announced to Internet: 244 Total ASes present in the Internet Routing Table: 15783 Origin-only ASes present in the Internet Routing Table: 13659 Origin ASes announcing only one prefix: 6249 Transit ASes present in the Internet Routing Table: 2124 Transit-only ASes present in the Internet Routing Table: 72 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: 657841 Equivalent to 0 /8s, 10 /16s and 9 /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: 795 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22401 Total APNIC prefixes after maximum aggregation: 2067 Prefixes being announced from the APNIC address blocks: 124121 Unique aggregates announced from the APNIC address blocks: 228 APNIC Region origin ASes present in the Internet Routing Table: 1884 APNIC Region origin ASes announcing only one prefix: 549 APNIC Region transit ASes present in the Internet Routing Table: 315 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 524721 Equivalent to 0 /8s, 8 /16s and 1 /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: 74904 Total ARIN prefixes after maximum aggregation: 8635 Prefixes being announced from the ARIN address blocks: 710 Unique aggregates announced from the ARIN address blocks: 8 ARIN Region origin ASes present in the Internet Routing Table: 8629 ARIN Region origin ASes announcing only one prefix: 2980 ARIN Region transit ASes present in the Internet Routing Table: 847 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 14336 Equivalent to 0 /8s, 0 /16s and 56 /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: 22278 Total RIPE prefixes after maximum aggregation: 4861 Prefixes being announced from the RIPE address blocks: 26 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 4854 RIPE Region origin ASes announcing only one prefix: 2620 RIPE Region transit ASes present in the Internet Routing Table: 861 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 118784 Equivalent to 0 /8s, 1 /16s and 208 /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: 5287 Total LACNIC prefixes after maximum aggregation: 343 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: 343 LACNIC Region origin ASes announcing only one prefix: 100 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 7.3 Max LACNIC Region AS path length visible: 23 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 1135 0 1 Telstra Pty Ltd 2907 373 0 1 SINET Japan 4755 369 10 75 Videsh Sanchar Nigam Ltd. Aut 703 335 0 2 UUNET 7474 335 0 2 Optus Communications Pty Ltd 2764 328 0 19 connect.com.au pty ltd 4134 324 0 1 Data Communications Bureau 17557 291 0 1 Pakistan Telecom 17676 262 0 1 XTAGE CORPORATION 9583 257 0 1 Satyam Infoway Ltd., 3786 235 0 1 DACOM Corporation 4766 222 0 1 Korea Internet Exchange for " 9800 203 0 1 CHINA UNICOM 9498 186 0 1 BHARTI BT INTERNET LTD. 9443 184 0 3 Primus Telecommunications 9942 175 8 30 COMindico Australia 4538 172 0 1 China Education and Research 9929 162 0 1 China Netcom Corp. 17642 155 0 3 RequestDSL BGP AS# for Sydney 9238 141 0 1 TATA ISP ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1445 0 1 UUNET Technologies, Inc. 7018 1401 0 1 AT&T 1239 911 0 1 Sprint 3908 908 0 1 Supernet, Inc. 18566 688 0 1 Covad Communications 4323 664 0 1 Time Warner Communications, I 6197 614 0 1 BellSouth Network Solutions, 3356 555 0 1 Level 3 Communications, LLC 7843 527 0 1 Adelphia Corp. 852 516 0 1 Telus Advanced Communications 209 504 0 1 Qwest 6198 497 0 1 BellSouth Network Solutions, 20115 471 0 1 Charter Communications 690 411 0 1 Merit Network 705 408 0 1 UUNET Technologies, Inc. 4355 394 0 1 EarthLink, Inc. 2386 374 0 1 AT&T Data Communications Serv 6347 354 0 1 SAVVIS Communications Corpora 3549 342 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 702 712 0 1 UUNET - Commercial IP service 3301 296 0 1 TeliaNet Sweden 3320 269 0 1 Deutsche Telekom AG 8220 256 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 227 0 1 SWIPnet Swedish IP Network 5515 186 0 1 Sonera Solution Autonomous Sy 3215 184 0 1 France Telecom Transpac 5400 182 0 1 BT Ignite European Backbone 786 179 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 154 0 1 Romania Data Systems S.A. 3303 142 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 3246 126 0 1 Song Networks 3269 119 0 1 TELECOM ITALIA 2856 113 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 7303 229 0 1 Telecom Argentina Stet-France 8151 228 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 127 0 1 AVANTEL, S.A. 10620 127 0 1 TVCABLE BOGOTA 11992 89 0 1 Integrated Systems 6147 84 0 1 Telefonica Del Peru 8065 82 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 11830 72 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 7984 59 0 1 Global One Colombia 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 1401 1400 AT&T 1221 1135 1134 Telstra Pty Ltd 1239 911 910 Sprint 3908 908 907 Supernet, Inc. 702 712 711 UUNET - Commercial IP service 18566 688 687 Covad Communications 4323 664 663 Time Warner Communications, I 6197 614 613 BellSouth Network Solutions, 3356 555 554 Level 3 Communications, LLC 7843 527 526 Adelphia Corp. 852 516 515 Telus Advanced Communications 209 504 503 Qwest 6198 497 496 BellSouth Network Solutions, 20115 471 470 Charter Communications 690 411 410 Merit Network 705 408 407 UUNET Technologies, Inc. 4355 394 393 EarthLink, Inc. 2386 374 373 AT&T Data Communications Serv 2907 373 372 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 23780 UNALLOCATED 203.14.8.16/24 2516 Kokusai Denshin Denw 23780 UNALLOCATED 203.14.8.16/24 2516 Kokusai Denshin Denw 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 /16:8 /17:10 /18:17 /19:8 /20:10 /21:219 /22:30 /23:504 /24:124052 /25:2 /26:1 /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 18566 678 688 Covad Communications 9942 34 175 COMindico Australia 2764 20 328 connect.com.au pty ltd 2914 17 292 Verio, Inc. 3233 7 57 RNC - Romanian Natioanal R&D 6316 7 31 StarNet, Inc. 7474 5 335 Optus Communications Pty Ltd 4755 3 369 Videsh Sanchar Nigam Ltd. Aut 9129 2 23 UUNET Kenya 11757 2 5 Whirlpool Corporation 14185 2 9 Golden Corridor Communication 20565 2 2 Tachion Data Systems SA 2561 1 54 Egyptian Universities Network 3908 1 908 Supernet, Inc. 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 6347 1 354 SAVVIS Communications Corpora 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 10730 1 4 TBC Group Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 63:2 64:3 66:1 69:1 158:1 192:4 193:9 195:2 198:4 199:1 202:46 203:58411 204:3 206:1 210:4 220:6 End of report