Routing Table Report 04:00 +10GMT Fri 19 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124755 Prefixes after maximum aggregation: 15884 Unique aggregates announced to Internet: 248 Total ASes present in the Internet Routing Table: 15760 Origin-only ASes present in the Internet Routing Table: 13632 Origin ASes announcing only one prefix: 6242 Transit ASes present in the Internet Routing Table: 2128 Transit-only ASes present in the Internet Routing Table: 77 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: 640177 Equivalent to 0 /8s, 9 /16s and 196 /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: 806 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22289 Total APNIC prefixes after maximum aggregation: 2068 Prefixes being announced from the APNIC address blocks: 124011 Unique aggregates announced from the APNIC address blocks: 237 APNIC Region origin ASes present in the Internet Routing Table: 1880 APNIC Region origin ASes announcing only one prefix: 549 APNIC Region transit ASes present in the Internet Routing Table: 310 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 537777 Equivalent to 0 /8s, 8 /16s and 52 /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: 74841 Total ARIN prefixes after maximum aggregation: 8620 Prefixes being announced from the ARIN address blocks: 698 Unique aggregates announced from the ARIN address blocks: 5 ARIN Region origin ASes present in the Internet Routing Table: 8612 ARIN Region origin ASes announcing only one prefix: 2974 ARIN Region transit ASes present in the Internet Routing Table: 853 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 4096 Equivalent to 0 /8s, 0 /16s and 16 /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: 22328 Total RIPE prefixes after maximum aggregation: 4855 Prefixes being announced from the RIPE address blocks: 15 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4849 RIPE Region origin ASes announcing only one prefix: 2623 RIPE Region transit ASes present in the Internet Routing Table: 866 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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: 5285 Total LACNIC prefixes after maximum aggregation: 341 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: 341 LACNIC Region origin ASes announcing only one prefix: 96 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 1137 0 1 Telstra Pty Ltd 4755 374 11 74 Videsh Sanchar Nigam Ltd. Aut 2907 370 0 1 SINET Japan 703 337 0 2 UUNET 7474 333 0 2 Optus Communications Pty Ltd 2764 325 1 20 connect.com.au pty ltd 4134 313 0 1 Data Communications Bureau 17557 291 0 1 Pakistan Telecom 17676 260 0 1 XTAGE CORPORATION 9583 249 0 1 Satyam Infoway Ltd., 3786 237 0 1 DACOM Corporation 4766 233 0 1 Korea Internet Exchange for " 9800 201 0 1 CHINA UNICOM 9498 187 0 1 BHARTI BT INTERNET LTD. 9443 184 0 3 Primus Telecommunications 9942 176 8 31 COMindico Australia 4538 170 0 1 China Education and Research 9929 161 0 1 China Netcom Corp. 17642 155 0 3 RequestDSL BGP AS# for Sydney 4837 140 0 1 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1457 0 1 UUNET Technologies, Inc. 7018 1401 0 1 AT&T 1239 912 0 1 Sprint 3908 909 0 1 Supernet, Inc. 18566 687 0 1 Covad Communications 4323 662 0 1 Time Warner Communications, I 6197 612 0 1 BellSouth Network Solutions, 3356 527 0 1 Level 3 Communications, LLC 7843 519 0 1 Adelphia Corp. 852 514 0 1 Telus Advanced Communications 209 507 0 1 Qwest 6198 493 0 1 BellSouth Network Solutions, 20115 470 0 1 Charter Communications 705 415 0 1 UUNET Technologies, Inc. 690 411 0 1 Merit Network 4355 392 0 1 EarthLink, Inc. 2386 371 0 1 AT&T Data Communications Serv 6347 353 0 1 SAVVIS Communications Corpora 3549 343 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 702 710 0 1 UUNET - Commercial IP service 3301 295 0 1 TeliaNet Sweden 3320 268 0 1 Deutsche Telekom AG 8220 265 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 185 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 155 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 20858 115 0 1 This AS will be used to conne 25186 114 0 1 France Telecom Transpac's Tra 2856 112 0 1 BTnet UK Regional network 3352 98 0 1 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 343 0 1 ImpSat 8151 233 0 1 UniNet S.A. de C.V. 7303 230 0 1 Telecom Argentina Stet-France 11172 188 0 1 Servicios Alestra S.A de C.V 16814 151 0 1 NSS, S.A. 6503 130 0 1 AVANTEL, S.A. 10620 127 0 1 TVCABLE BOGOTA 6147 89 0 1 Telefonica Del Peru 11992 89 0 1 Integrated Systems 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. 7738 56 0 1 Telecomunicacoes da Bahia S.A Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1401 1400 AT&T 1221 1137 1136 Telstra Pty Ltd 1239 912 911 Sprint 3908 909 908 Supernet, Inc. 702 710 709 UUNET - Commercial IP service 18566 687 686 Covad Communications 4323 662 661 Time Warner Communications, I 6197 612 611 BellSouth Network Solutions, 3356 527 526 Level 3 Communications, LLC 7843 519 518 Adelphia Corp. 852 514 513 Telus Advanced Communications 209 507 506 Qwest 6198 493 492 BellSouth Network Solutions, 20115 470 469 Charter Communications 705 415 414 UUNET Technologies, Inc. 690 411 410 Merit Network 4355 392 391 EarthLink, Inc. 2386 371 370 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 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 /16:6 /17:10 /18:16 /19:4 /20:2 /21:221 /22:32 /23:507 /24:123932 /25:4 /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 677 687 Covad Communications 9942 34 176 COMindico Australia 2764 22 325 connect.com.au pty ltd 2914 17 291 Verio, Inc. 21882 16 51 Priority Networks Inc. 6316 7 33 StarNet, Inc. 4755 5 374 Videsh Sanchar Nigam Ltd. Aut 7474 5 333 Optus Communications Pty Ltd 9127 4 16 NETISSAT 7590 2 21 Commission on Science and Tec 18534 2 3 Arbinet Holdings Inc. 2643 1 3 IHEP-SU AS 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6085 1 1 SITA Network Operations Cente 6347 1 353 SAVVIS Communications Corpora 6879 1 9 EUnet Egypt 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 13346 1 7 Wizard Communication Systems Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 62:1 63:2 64:4 69:1 128:15 192:6 195:1 198:1 202:68 203:58265 206:1 208:1 210:6 219:1 220:6 End of report