Routing Table Report 04:00 +10GMT Fri 26 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124817 Prefixes after maximum aggregation: 15915 Unique aggregates announced to Internet: 231 Total ASes present in the Internet Routing Table: 15801 Origin-only ASes present in the Internet Routing Table: 13657 Origin ASes announcing only one prefix: 6249 Transit ASes present in the Internet Routing Table: 2144 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 30 Illegal AS announcements present in the Routing Table: 6 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 565169 Equivalent to 0 /8s, 8 /16s and 159 /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: 791 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22433 Total APNIC prefixes after maximum aggregation: 2057 Prefixes being announced from the APNIC address blocks: 124084 Unique aggregates announced from the APNIC address blocks: 219 APNIC Region origin ASes present in the Internet Routing Table: 1882 APNIC Region origin ASes announcing only one prefix: 547 APNIC Region transit ASes present in the Internet Routing Table: 316 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 455601 Equivalent to 0 /8s, 6 /16s and 243 /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: 74827 Total ARIN prefixes after maximum aggregation: 8644 Prefixes being announced from the ARIN address blocks: 704 Unique aggregates announced from the ARIN address blocks: 4 ARIN Region origin ASes present in the Internet Routing Table: 8638 ARIN Region origin ASes announcing only one prefix: 2979 ARIN Region transit ASes present in the Internet Routing Table: 854 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 2816 Equivalent to 0 /8s, 0 /16s and 11 /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: 22271 Total RIPE prefixes after maximum aggregation: 4870 Prefixes being announced from the RIPE address blocks: 17 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 4862 RIPE Region origin ASes announcing only one prefix: 2622 RIPE Region transit ASes present in the Internet Routing Table: 871 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 106752 Equivalent to 0 /8s, 1 /16s and 161 /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: 5271 Total LACNIC prefixes after maximum aggregation: 344 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: 344 LACNIC Region origin ASes announcing only one prefix: 101 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: 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 1131 0 1 Telstra Pty Ltd 2907 372 0 1 SINET Japan 4755 372 9 75 Videsh Sanchar Nigam Ltd. Aut 703 333 0 2 UUNET 7474 332 0 2 Optus Communications Pty Ltd 2764 330 0 19 connect.com.au pty ltd 4134 291 0 1 Data Communications Bureau 17557 291 0 1 Pakistan Telecom 17676 263 0 1 XTAGE CORPORATION 9583 260 0 1 Satyam Infoway Ltd., 3786 235 0 1 DACOM Corporation 4766 234 0 1 Korea Internet Exchange for " 9800 203 0 1 CHINA UNICOM 9942 185 8 31 COMindico Australia 9443 184 0 3 Primus Telecommunications 9498 184 0 1 BHARTI BT INTERNET LTD. 4538 172 0 1 China Education and Research 9929 168 0 1 China Netcom Corp. 17642 154 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 1442 0 1 UUNET Technologies, Inc. 7018 1399 0 1 AT&T 1239 910 0 1 Sprint 3908 907 0 1 Supernet, Inc. 18566 690 0 1 Covad Communications 4323 669 0 1 Time Warner Communications, I 6197 614 0 1 BellSouth Network Solutions, 3356 560 0 1 Level 3 Communications, LLC 7843 530 0 1 Adelphia Corp. 852 516 0 1 Telus Advanced Communications 209 501 0 1 Qwest 6198 497 0 1 BellSouth Network Solutions, 20115 473 0 1 Charter Communications 690 411 0 1 Merit Network 705 405 0 1 UUNET Technologies, Inc. 4355 393 0 1 EarthLink, Inc. 2386 374 0 1 AT&T Data Communications Serv 6347 355 0 1 SAVVIS Communications Corpora 19029 342 0 1 New Edge Networks 7132 340 0 1 Southwestern Bell Internet Se RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 710 0 1 UUNET - Commercial IP service 3301 296 0 1 TeliaNet Sweden 3320 270 0 1 Deutsche Telekom AG 8220 255 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 183 0 1 France Telecom Transpac 5400 181 0 1 BT Ignite European Backbone 786 179 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 156 0 1 Romania Data Systems S.A. 3303 146 0 1 Swisscom Ltd 3246 127 0 1 Song Networks 12302 127 0 1 MobiFon S.A. 3269 119 0 1 TELECOM ITALIA 2856 113 0 1 BTnet UK Regional network 25186 104 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 339 0 1 ImpSat 8151 231 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 129 0 1 TVCABLE BOGOTA 6503 126 0 1 AVANTEL, S.A. 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 10292 57 0 1 TELECOMMUNICATIONS OF JAMAICA 4926 56 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1399 1398 AT&T 1221 1131 1130 Telstra Pty Ltd 1239 910 909 Sprint 3908 907 906 Supernet, Inc. 702 710 709 UUNET - Commercial IP service 18566 690 689 Covad Communications 4323 669 668 Time Warner Communications, I 6197 614 613 BellSouth Network Solutions, 3356 560 559 Level 3 Communications, LLC 7843 530 529 Adelphia Corp. 852 516 515 Telus Advanced Communications 209 501 500 Qwest 6198 497 496 BellSouth Network Solutions, 20115 473 472 Charter Communications 690 411 410 Merit Network 705 405 404 UUNET Technologies, Inc. 4355 393 392 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. 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 /16:4 /17:10 /18:16 /19:6 /20:5 /21:221 /22:26 /23:499 /24:124007 /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 680 690 Covad Communications 9942 34 185 COMindico Australia 2764 20 330 connect.com.au pty ltd 2914 17 292 Verio, Inc. 6316 7 31 StarNet, Inc. 5668 6 160 Century Telephone 7474 5 332 Optus Communications Pty Ltd 4755 3 372 Videsh Sanchar Nigam Ltd. Aut 290 1 1 Interop 91 793 1 1 Oracle Corporation Datacenter 4355 1 393 EarthLink, Inc. 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 6347 1 355 SAVVIS Communications Corpora 6851 1 3 BKCNET Autonomous System 7381 1 15 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 8301 1 20 GIBRALTAR NYNEX COMMUNICATION 16145 1 1 LANACO INECCO ISP 17974 1 48 PT TELEKOMUNIKASI INDONESIA Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 57:1 61:16 63:1 64:3 66:6 69:1 192:2 194:1 195:2 202:52 203:58371 206:1 209:2 210:4 213:1 220:6 End of report