Routing Table Report 04:00 +10GMT Sat 29 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 128549 Prefixes after maximum aggregation: 16286 Unique aggregates announced to Internet: 232 Total ASes present in the Internet Routing Table: 16157 Origin-only ASes present in the Internet Routing Table: 14012 Origin ASes announcing only one prefix: 6465 Transit ASes present in the Internet Routing Table: 2145 Transit-only ASes present in the Internet Routing Table: 64 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 2 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 761601 Equivalent to 0 /8s, 11 /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: 57.3 Total number of prefixes smaller than registry allocations: 849 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23606 Total APNIC prefixes after maximum aggregation: 2054 Prefixes being announced from the APNIC address blocks: 127655 Unique aggregates announced from the APNIC address blocks: 158 APNIC Region origin ASes present in the Internet Routing Table: 1935 APNIC Region origin ASes announcing only one prefix: 588 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: 18 Number of APNIC addresses announced to Internet: 545281 Equivalent to 0 /8s, 8 /16s and 82 /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: 75597 Total ARIN prefixes after maximum aggregation: 8777 Prefixes being announced from the ARIN address blocks: 818 Unique aggregates announced from the ARIN address blocks: 58 ARIN Region origin ASes present in the Internet Routing Table: 8717 ARIN Region origin ASes announcing only one prefix: 3056 ARIN Region transit ASes present in the Internet Routing Table: 844 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 32000 Equivalent to 0 /8s, 0 /16s and 125 /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: 22801 Total RIPE prefixes after maximum aggregation: 5000 Prefixes being announced from the RIPE address blocks: 40 Unique aggregates announced from the RIPE address blocks: 16 RIPE Region origin ASes present in the Internet Routing Table: 4986 RIPE Region origin ASes announcing only one prefix: 2686 RIPE Region transit ASes present in the Internet Routing Table: 873 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 184320 Equivalent to 0 /8s, 2 /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 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: 5411 Total LACNIC prefixes after maximum aggregation: 360 Prefixes being announced from the LACNIC address blocks: 3 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: 107 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 7.1 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: 1123 Total AfriNIC prefixes after maximum aggregation: 95 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: 95 AfriNIC Region origin ASes announcing only one prefix: 28 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 1081 0 1 Telstra Pty Ltd 4134 400 0 1 Data Communications Bureau 2907 365 0 1 SINET Japan 4755 344 20 66 Videsh Sanchar Nigam Ltd. Aut 7474 341 0 2 Optus Communications Pty Ltd 9443 338 0 2 Primus Telecommunications 703 324 0 2 UUNET 17557 302 0 1 Pakistan Telecom 2764 284 0 1 connect.com.au pty ltd 17676 283 1 3 XTAGE CORPORATION 9583 267 0 1 Satyam Infoway Ltd., 4766 260 0 1 Korea Internet Exchange for " 4538 247 0 1 China Education and Research 3786 234 0 1 DACOM Corporation 9800 207 0 1 CHINA UNICOM 9929 198 0 1 China Netcom Corp. 9942 188 0 4 COMindico Australia 9498 173 0 1 BHARTI BT INTERNET LTD. 17642 154 0 2 RequestDSL BGP AS# for Sydney 4739 145 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1406 0 1 UUNET Technologies, Inc. 7018 1373 0 1 AT&T 1239 956 0 1 Sprint 209 860 0 1 Qwest 6197 762 0 1 BellSouth Network Solutions, 18566 729 0 1 Covad Communications 3356 713 0 1 Level 3 Communications, LLC 4323 675 0 1 Time Warner Communications, I 6198 610 0 1 BellSouth Network Solutions, 20115 572 0 1 Charter Communications 7843 524 0 1 Adelphia Corp. 852 518 0 1 Telus Advanced Communications 7132 446 0 1 Southwestern Bell Internet Se 19029 425 0 1 New Edge Networks 2386 402 0 1 AT&T Data Communications Serv 690 400 0 1 Merit Network 705 385 0 1 UUNET Technologies, Inc. 4355 382 0 1 EarthLink, Inc. 27364 354 0 1 Armstrong Cable Services 6347 331 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 687 0 1 UUNET - Commercial IP service 3301 302 0 1 TeliaNet Sweden 3320 275 0 1 Deutsche Telekom AG 8220 260 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 3246 187 0 1 Song Networks 786 175 0 1 The JANET IP Service 5515 175 0 1 Sonera Solution Autonomous Sy 5400 174 0 1 BT Ignite European Backbone 3215 163 0 1 France Telecom Transpac 8708 163 0 1 Romania Data Systems S.A. 25186 159 0 1 France Telecom Transpac's Tra 3303 142 0 1 Swisscom Ltd 12302 126 0 1 MobiFon S.A. 3269 120 0 1 TELECOM ITALIA 2856 118 0 1 BTnet UK Regional network 719 114 0 1 LANLINK autonomous system 6746 107 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 235 0 1 UniNet S.A. de C.V. 11172 192 0 1 Servicios Alestra S.A de C.V 7303 183 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. 6147 125 0 1 Telefonica Del Peru 10620 123 0 1 TVCABLE BOGOTA 11992 85 0 1 Integrated Systems 15311 76 0 1 Telefonica Empresas 6535 75 0 1 Chilesat Servicios Empresari 8065 75 0 1 Empresas Publicas de Medellin 4270 71 0 1 Red de Interconexion Universi 11311 66 0 1 Sinectis S.A. 7080 64 0 1 Electronica y Comunicaciones 14420 62 0 1 ANDINATEL S.A. 27699 60 0 1 TELECOMUNICACOES DE SAO PAULO 4926 58 0 1 Telintar S.A. 5639 58 0 1 Telecommunications Services o AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 250 0 1 The Internet Solution 2018 94 0 1 Tertiary Education Network 5536 88 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 23 0 1 Jambonet Autonomous system 6713 22 0 1 Itissalat Al-MAGHRIB 10798 18 0 1 Standard Bank of South Africa 8524 17 0 1 AUCEGYPT Autonomous System 3208 16 0 1 ARN Network 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 1373 1372 AT&T 1221 1081 1080 Telstra Pty Ltd 1239 956 955 Sprint 209 860 859 Qwest 6197 762 761 BellSouth Network Solutions, 18566 729 728 Covad Communications 3356 713 712 Level 3 Communications, LLC 702 687 686 UUNET - Commercial IP service 4323 675 674 Time Warner Communications, I 6198 610 609 BellSouth Network Solutions, 20115 572 571 Charter Communications 7843 524 523 Adelphia Corp. 852 518 517 Telus Advanced Communications 7132 446 445 Southwestern Bell Internet Se 19029 425 424 New Edge Networks 2386 402 401 AT&T Data Communications Serv 690 400 399 Merit Network 4134 400 399 Data Communications Bureau 705 385 384 UUNET Technologies, 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 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 /16:7 /17:13 /18:28 /19:23 /20:15 /21:247 /22:37 /23:520 /24:127655 /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 719 729 Covad Communications 1 38 231 GENUITY 2914 17 281 Verio, Inc. 4755 16 344 Videsh Sanchar Nigam Ltd. Aut 3758 11 41 SingNet 6316 11 39 StarNet, Inc. 7474 4 341 Optus Communications Pty Ltd 2647 3 75 SITA 5391 3 9 HT, HiNet, Croatian telecom 14420 3 62 ANDINATEL S.A. 17015 3 11 New Millennium Technologies 9119 2 5 Softnet 17676 2 283 XTAGE CORPORATION 25132 2 3 Relcom Podoliya ISP 3573 1 72 Andersen Consulting 6458 1 31 GUATEL 7381 1 15 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 12313 1 13 Autonomous System Versatel De 15540 1 4 gedas Autonomous System Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:16 64:5 65:1 69:1 170:1 192:8 193:3 195:4 198:9 202:32 203:61995 206:2 207:3 209:10 216:20 219:9 End of report