Routing Table Report 04:00 +10GMT Tue 30 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 126452 Prefixes after maximum aggregation: 15927 Unique aggregates announced to Internet: 234 Total ASes present in the Internet Routing Table: 15813 Origin-only ASes present in the Internet Routing Table: 13678 Origin ASes announcing only one prefix: 6255 Transit ASes present in the Internet Routing Table: 2135 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: 5 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 574137 Equivalent to 0 /8s, 8 /16s and 194 /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: 834 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23193 Total APNIC prefixes after maximum aggregation: 2042 Prefixes being announced from the APNIC address blocks: 125655 Unique aggregates announced from the APNIC address blocks: 203 APNIC Region origin ASes present in the Internet Routing Table: 1887 APNIC Region origin ASes announcing only one prefix: 554 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: 453561 Equivalent to 0 /8s, 6 /16s and 235 /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: 75640 Total ARIN prefixes after maximum aggregation: 8672 Prefixes being announced from the ARIN address blocks: 740 Unique aggregates announced from the ARIN address blocks: 20 ARIN Region origin ASes present in the Internet Routing Table: 8646 ARIN Region origin ASes announcing only one prefix: 2988 ARIN Region transit ASes present in the Internet Routing Table: 852 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 17152 Equivalent to 0 /8s, 0 /16s and 67 /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: 22312 Total RIPE prefixes after maximum aggregation: 4867 Prefixes being announced from the RIPE address blocks: 18 Unique aggregates announced from the RIPE address blocks: 11 RIPE Region origin ASes present in the Internet Routing Table: 4863 RIPE Region origin ASes announcing only one prefix: 2610 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: 103424 Equivalent to 0 /8s, 1 /16s and 148 /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: 5293 Total LACNIC prefixes after maximum aggregation: 346 Prefixes being announced from the LACNIC address blocks: 13 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: 103 LACNIC Region transit ASes present in the Internet Routing Table: 74 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 4814 664 0 1 China Telecom (Group) 2907 372 0 1 SINET Japan 4755 365 9 53 Videsh Sanchar Nigam Ltd. Aut 4134 354 0 1 Data Communications Bureau 703 336 0 2 UUNET 7474 332 0 2 Optus Communications Pty Ltd 2764 328 0 20 connect.com.au pty ltd 17557 291 0 1 Pakistan Telecom 17676 268 0 1 XTAGE CORPORATION 9583 261 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 189 8 31 COMindico Australia 9498 185 0 1 BHARTI BT INTERNET LTD. 9443 184 0 3 Primus Telecommunications 4538 175 0 1 China Education and Research 9929 169 0 1 China Netcom Corp. 17642 156 0 3 RequestDSL BGP AS# for Sydney ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1441 0 1 UUNET Technologies, Inc. 7018 1396 0 1 AT&T 6197 982 0 1 BellSouth Network Solutions, 1239 909 0 1 Sprint 3908 906 0 1 Supernet, Inc. 18566 694 0 1 Covad Communications 4323 671 0 1 Time Warner Communications, I 3356 580 0 1 Level 3 Communications, LLC 6198 554 0 1 BellSouth Network Solutions, 7843 529 0 1 Adelphia Corp. 852 516 0 1 Telus Advanced Communications 209 506 0 1 Qwest 20115 475 0 1 Charter Communications 690 411 0 1 Merit Network 705 408 0 1 UUNET Technologies, Inc. 4355 392 0 1 EarthLink, Inc. 2386 374 0 1 AT&T Data Communications Serv 6347 355 0 1 SAVVIS Communications Corpora 19029 343 0 1 New Edge Networks 3561 335 0 1 Cable & Wireless USA RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 708 0 1 UUNET - Commercial IP service 3301 296 0 1 TeliaNet Sweden 3320 270 0 1 Deutsche Telekom AG 8220 259 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 227 0 1 SWIPnet Swedish IP Network 3215 188 0 1 France Telecom Transpac 5515 186 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 157 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 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 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 125 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 1396 1395 AT&T 1221 1135 1134 Telstra Pty Ltd 6197 982 981 BellSouth Network Solutions, 1239 909 908 Sprint 3908 906 905 Supernet, Inc. 702 708 707 UUNET - Commercial IP service 18566 694 693 Covad Communications 4323 671 670 Time Warner Communications, I 4814 664 663 China Telecom (Group) 3356 580 579 Level 3 Communications, LLC 6198 554 553 BellSouth Network Solutions, 7843 529 528 Adelphia Corp. 852 516 515 Telus Advanced Communications 209 506 505 Qwest 20115 475 474 Charter Communications 690 411 410 Merit Network 705 408 407 UUNET Technologies, Inc. 4355 392 391 EarthLink, Inc. 2386 374 373 AT&T Data Communications Serv 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 65000 PRIVATE 203.14.8.16/24 18265 JPNIC 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 /18:17 /19:6 /20:4 /21:226 /22:29 /23:503 /24:125629 /25:2 /26:1 /27:1 /28:2 /29:12 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 684 694 Covad Communications 9942 34 189 COMindico Australia 19686 24 42 PacAmTel, LLC. 2764 21 328 connect.com.au pty ltd 2914 17 281 Verio, Inc. 23216 14 44 RAMtelecom Telecomunicaciones 6316 7 31 StarNet, Inc. 3216 5 31 Teleross, Moscow, Russia 7474 5 332 Optus Communications Pty Ltd 7633 5 128 Software Technology Parks of 4755 3 365 Videsh Sanchar Nigam Ltd. Aut 290 1 2 Interop 91 3542 1 5 DISA/UNRRA 4805 1 15 Equant (formerly Global One) 6347 1 355 SAVVIS Communications Corpora 7381 1 15 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 13882 1 14 Hartford Life Insurance Compa 16838 1 16 VeriSign Inc 17145 1 1 The Energy Authority Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 57:1 61:16 64:10 65:4 66:5 69:1 164:5 194:2 195:3 196:8 198:2 200:6 202:42 203:59958 206:1 209:4 210:4 216:10 217:4 220:6 End of report