Routing Table Report 04:00 +10GMT Wed 19 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 127915 Prefixes after maximum aggregation: 16276 Unique aggregates announced to Internet: 265 Total ASes present in the Internet Routing Table: 16128 Origin-only ASes present in the Internet Routing Table: 13985 Origin ASes announcing only one prefix: 6445 Transit ASes present in the Internet Routing Table: 2143 Transit-only ASes present in the Internet Routing Table: 70 Average AS path length visible in the Internet Routing Table: 6.6 Max AS path length visible: 30 Illegal AS announcements present in the Routing Table: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 729857 Equivalent to 0 /8s, 11 /16s and 35 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 879 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23333 Total APNIC prefixes after maximum aggregation: 2060 Prefixes being announced from the APNIC address blocks: 127018 Unique aggregates announced from the APNIC address blocks: 177 APNIC Region origin ASes present in the Internet Routing Table: 1931 APNIC Region origin ASes announcing only one prefix: 587 APNIC Region transit ASes present in the Internet Routing Table: 318 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 559873 Equivalent to 0 /8s, 8 /16s and 139 /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: 75343 Total ARIN prefixes after maximum aggregation: 8770 Prefixes being announced from the ARIN address blocks: 819 Unique aggregates announced from the ARIN address blocks: 71 ARIN Region origin ASes present in the Internet Routing Table: 8701 ARIN Region origin ASes announcing only one prefix: 3045 ARIN Region transit ASes present in the Internet Routing Table: 843 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 29184 Equivalent to 0 /8s, 0 /16s and 114 /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, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 22705 Total RIPE prefixes after maximum aggregation: 4990 Prefixes being announced from the RIPE address blocks: 49 Unique aggregates announced from the RIPE address blocks: 17 RIPE Region origin ASes present in the Internet Routing Table: 4971 RIPE Region origin ASes announcing only one prefix: 2676 RIPE Region transit ASes present in the Internet Routing Table: 871 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 140800 Equivalent to 0 /8s, 2 /16s and 38 /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 30720 - 31743 RIPE Address Blocks 62/8, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5410 Total LACNIC prefixes after maximum aggregation: 360 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: 359 LACNIC Region origin ASes announcing only one prefix: 106 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 7.2 Max LACNIC Region AS path length visible: 18 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 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1112 Total AfriNIC prefixes after maximum aggregation: 96 Prefixes being announced from the AfriNIC address blocks: 0 Unique aggregates announced from the AfriNIC address blocks: 0 AfriNIC Region origin ASes present in the Internet Routing Table: 96 AfriNIC Region origin ASes announcing only one prefix: 31 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 7.0 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available AfriNIC address space announced: 0.0 AfriNIC AS Blocks AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1078 0 1 Telstra Pty Ltd 2907 370 0 1 SINET Japan 4755 368 21 74 Videsh Sanchar Nigam Ltd. Aut 4134 362 0 1 Data Communications Bureau 7474 341 0 2 Optus Communications Pty Ltd 9443 339 0 2 Primus Telecommunications 17557 300 0 1 Pakistan Telecom 2764 295 0 1 connect.com.au pty ltd 17676 281 1 3 XTAGE CORPORATION 703 272 0 2 UUNET 4766 260 0 1 Korea Internet Exchange for " 4538 247 0 1 China Education and Research 9583 236 0 1 Satyam Infoway Ltd., 3786 234 0 1 DACOM Corporation 9800 207 0 1 CHINA UNICOM 9929 194 2 2 China Netcom Corp. 9942 189 0 4 COMindico Australia 9498 171 0 1 BHARTI BT INTERNET LTD. 17642 154 0 2 RequestDSL BGP AS# for Sydney 4837 145 0 1 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1412 0 1 UUNET Technologies, Inc. 7018 1371 0 1 AT&T 1239 922 0 1 Sprint 209 885 0 1 Qwest 18566 725 0 1 Covad Communications 6197 712 0 1 BellSouth Network Solutions, 4323 687 0 2 Time Warner Communications, I 3356 632 0 1 Level 3 Communications, LLC 6198 612 0 1 BellSouth Network Solutions, 20115 586 0 1 Charter Communications 7843 520 0 1 Adelphia Corp. 852 515 0 1 Telus Advanced Communications 7132 483 0 1 Southwestern Bell Internet Se 19029 414 0 1 New Edge Networks 690 400 0 1 Merit Network 2386 397 0 1 AT&T Data Communications Serv 705 384 0 1 UUNET Technologies, Inc. 4355 383 0 1 EarthLink, Inc. 27364 337 0 1 Armstrong Cable Services 6347 336 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 693 0 1 UUNET - Commercial IP service 3301 312 0 1 TeliaNet Sweden 3320 272 0 1 Deutsche Telekom AG 8220 258 0 1 COLT Internet - International 1257 237 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 5400 186 0 1 BT Ignite European Backbone 786 175 0 1 The JANET IP Service 5515 175 0 1 Sonera Solution Autonomous Sy 8708 161 0 1 Romania Data Systems S.A. 3215 160 0 1 France Telecom Transpac 25186 158 0 1 France Telecom Transpac's Tra 3303 144 0 1 Swisscom Ltd 3246 132 0 1 Song Networks 12302 126 0 1 MobiFon S.A. 3269 118 0 1 TELECOM ITALIA 2856 117 0 1 BTnet UK Regional network 719 114 0 1 LANLINK autonomous system 6746 103 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 344 0 1 ImpSat 8151 232 0 1 UniNet S.A. de C.V. 11172 192 0 1 Servicios Alestra S.A de C.V 7303 181 0 1 Telecom Argentina Stet-France 16814 156 0 1 NSS, S.A. 6505 135 0 1 Global One Communicaoes Ltda 6503 126 0 1 AVANTEL, S.A. 10620 122 0 1 TVCABLE BOGOTA 6147 121 0 1 Telefonica Del Peru 11992 86 0 1 Integrated Systems 8065 79 0 1 Empresas Publicas de Medellin 15311 76 0 1 Telefonica Empresas 6535 75 0 1 Chilesat Servicios Empresari 4270 71 0 1 Red de Interconexion Universi 11311 66 0 1 Sinectis S.A. 7080 64 0 1 Electronica y Comunicaciones 14420 60 0 1 ANDINATEL S.A. 27699 60 0 1 TELECOMUNICACOES DE SAO PAULO 1916 59 0 1 Fundacao de Amparo a Pesquisa 7738 58 0 1 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 248 0 1 The Internet Solution 2018 94 0 1 Tertiary Education Network 5536 87 0 1 Internet Egypt Network 2905 59 0 1 The Internetworking Company o 2561 55 0 1 Egyptian Universities Network 11845 35 0 1 Data Pro Business Online 11569 31 0 1 satellite data networks 16284 30 0 1 GST-N Autonomous System 9129 26 0 1 UUNET Kenya 16637 26 0 1 Johnnic e-Ventures 5713 24 0 1 Telkom SA Ltd 12455 24 0 1 Jambonet Autonomous system 6713 22 0 1 Itissalat Al-MAGHRIB 10798 18 0 1 Standard Bank of South Africa 3208 17 0 1 ARN Network 8524 17 0 1 AUCEGYPT Autonomous System 12258 15 0 1 Vodacom Internet Company 15706 15 0 1 Sudatel Internet Exchange Aut 17148 14 0 1 First National Bank 8346 12 0 1 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1371 1370 AT&T 1221 1078 1077 Telstra Pty Ltd 1239 922 921 Sprint 209 885 884 Qwest 18566 725 724 Covad Communications 6197 712 711 BellSouth Network Solutions, 702 693 692 UUNET - Commercial IP service 4323 687 685 Time Warner Communications, I 3356 632 631 Level 3 Communications, LLC 6198 612 611 BellSouth Network Solutions, 20115 586 585 Charter Communications 7843 520 519 Adelphia Corp. 852 515 514 Telus Advanced Communications 7132 483 482 Southwestern Bell Internet Se 19029 414 413 New Edge Networks 690 400 399 Merit Network 2386 397 396 AT&T Data Communications Serv 705 384 383 UUNET Technologies, Inc. 4355 383 382 EarthLink, Inc. 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 65001 PRIVATE 203.14.8.16/24 25113 France Telecom 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 /17:14 /18:28 /19:18 /20:13 /21:249 /22:26 /23:518 /24:127041 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 715 725 Covad Communications 1 39 295 GENUITY 4755 19 368 Videsh Sanchar Nigam Ltd. Aut 2914 17 282 Verio, Inc. 18885 17 47 Wave2Wave Communications, Inc 3758 11 41 SingNet 6316 11 42 StarNet, Inc. 20663 6 21 Autonomous System of Vologda 7474 4 341 Optus Communications Pty Ltd 21033 4 5 ESSILOR 2647 3 76 SITA 15444 3 22 Net Services Ltd 28909 3 3 Tv Sat Net. Asenovgrad 5394 2 6 Cable-Wireless IP Services 17676 2 281 XTAGE CORPORATION 19686 2 37 PacAmTel, LLC. 20725 2 3 CITIUS Telecom Network 3573 1 72 Andersen Consulting 4323 1 687 Time Warner Communications, I 6458 1 30 GUATEL Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:17 62:4 64:2 69:1 170:1 192:6 193:5 194:2 195:1 198:9 199:1 202:32 203:61353 206:2 207:3 209:28 212:1 213:2 216:21 217:3 219:11 End of report