Routing Table Report 04:00 +10GMT Sun 02 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 128183 Prefixes after maximum aggregation: 16085 Unique aggregates announced to Internet: 165 Total ASes present in the Internet Routing Table: 16035 Origin-only ASes present in the Internet Routing Table: 13903 Origin ASes announcing only one prefix: 6381 Transit ASes present in the Internet Routing Table: 2132 Transit-only ASes present in the Internet Routing Table: 72 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: 2 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 610049 Equivalent to 0 /8s, 9 /16s and 79 /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: 722 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22996 Total APNIC prefixes after maximum aggregation: 2036 Prefixes being announced from the APNIC address blocks: 127471 Unique aggregates announced from the APNIC address blocks: 155 APNIC Region origin ASes present in the Internet Routing Table: 1922 APNIC Region origin ASes announcing only one prefix: 580 APNIC Region transit ASes present in the Internet Routing Table: 317 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 500993 Equivalent to 0 /8s, 7 /16s and 165 /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: 76085 Total ARIN prefixes after maximum aggregation: 8667 Prefixes being announced from the ARIN address blocks: 683 Unique aggregates announced from the ARIN address blocks: 3 ARIN Region origin ASes present in the Internet Routing Table: 8662 ARIN Region origin ASes announcing only one prefix: 3003 ARIN Region transit ASes present in the Internet Routing Table: 842 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 2560 Equivalent to 0 /8s, 0 /16s and 10 /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: 22556 Total RIPE prefixes after maximum aggregation: 4930 Prefixes being announced from the RIPE address blocks: 10 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 4926 RIPE Region origin ASes announcing only one prefix: 2662 RIPE Region transit ASes present in the Internet Routing Table: 863 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 106496 Equivalent to 0 /8s, 1 /16s and 160 /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, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5434 Total LACNIC prefixes after maximum aggregation: 356 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: 356 LACNIC Region origin ASes announcing only one prefix: 105 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 7.1 Max LACNIC Region AS path length visible: 22 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: 1101 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: 12 Average AfriNIC Region AS path length visible: 6.9 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 1114 0 1 Telstra Pty Ltd 2907 366 0 1 SINET Japan 4134 359 0 1 Data Communications Bureau 4755 347 8 59 Videsh Sanchar Nigam Ltd. Aut 7474 339 0 2 Optus Communications Pty Ltd 703 335 0 2 UUNET 2764 301 0 1 connect.com.au pty ltd 17557 293 0 1 Pakistan Telecom 17676 277 0 1 XTAGE CORPORATION 9583 271 0 2 Satyam Infoway Ltd., 4766 245 0 1 Korea Internet Exchange for " 3786 233 0 1 DACOM Corporation 4538 214 0 1 China Education and Research 9443 214 0 1 Primus Telecommunications 9498 204 0 1 BHARTI BT INTERNET LTD. 9800 203 0 1 CHINA UNICOM 9942 186 0 4 COMindico Australia 9929 173 0 1 China Netcom Corp. 17642 154 0 3 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 209 2028 0 1 Qwest 701 1419 0 1 UUNET Technologies, Inc. 7018 1364 0 1 AT&T 1239 921 0 1 Sprint 18566 715 0 1 Covad Communications 4323 685 0 1 Time Warner Communications, I 6197 645 0 1 BellSouth Network Solutions, 3356 621 0 1 Level 3 Communications, LLC 6198 570 0 1 BellSouth Network Solutions, 20115 539 0 1 Charter Communications 7843 521 0 1 Adelphia Corp. 852 515 0 1 Telus Advanced Communications 19029 426 0 1 New Edge Networks 7132 415 0 1 Southwestern Bell Internet Se 690 410 0 1 Merit Network 705 394 0 1 UUNET Technologies, Inc. 4355 389 0 1 EarthLink, Inc. 2386 387 0 1 AT&T Data Communications Serv 6347 345 0 1 SAVVIS Communications Corpora 3549 330 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 694 0 1 UUNET - Commercial IP service 3301 310 0 1 TeliaNet Sweden 3320 277 0 1 Deutsche Telekom AG 8220 259 0 1 COLT Internet - International 1257 238 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 5400 185 0 1 BT Ignite European Backbone 3215 182 0 1 France Telecom Transpac 5515 182 0 1 Sonera Solution Autonomous Sy 786 174 0 1 The JANET IP Service 8708 160 0 1 Romania Data Systems S.A. 3303 146 0 1 Swisscom Ltd 6664 134 0 1 TELECOM ITALIA 25186 132 0 1 France Telecom Transpac's Tra 3246 126 0 1 Song Networks 12302 126 0 1 MobiFon S.A. 2856 118 0 1 BTnet UK Regional network 3269 117 0 1 TELECOM ITALIA 719 116 0 1 LANLINK autonomous system LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 337 0 1 ImpSat 8151 235 0 1 UniNet S.A. de C.V. 7303 194 0 1 Telecom Argentina Stet-France 11172 192 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6505 131 0 1 Global One Communicaoes Ltda 6503 126 0 1 AVANTEL, S.A. 10620 122 0 1 TVCABLE BOGOTA 6147 111 0 1 Telefonica Del Peru 11992 87 0 1 Integrated Systems 8065 86 0 1 Empresas Publicas de Medellin 15311 76 0 1 Telefonica Empresas 6535 75 0 1 Chilesat Servicios Empresari 11830 74 0 1 Instituto Costarricense de El 4270 67 0 1 Red de Interconexion Universi 11311 66 0 1 Sinectis S.A. 7080 64 0 1 Electronica y Comunicaciones 27699 60 0 1 TELECOMUNICACOES DE SAO PAULO 1916 59 0 1 Fundacao de Amparo a Pesquisa 4926 57 0 1 Telintar S.A. 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 87 0 1 Internet Egypt Network 2905 59 0 1 The Internetworking Company o 2561 56 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 12455 26 0 1 Jambonet Autonomous system 5713 24 0 1 Telkom SA Ltd 16637 24 0 1 Johnnic e-Ventures 6713 22 0 1 Itissalat Al-MAGHRIB 9129 22 0 1 UUNET Kenya 10798 17 0 1 Standard Bank of South Africa 15706 15 0 1 Sudatel Internet Exchange Aut 8524 14 0 1 AUCEGYPT Autonomous System 12258 14 0 1 Vodacom Internet Company 17148 14 0 1 First National Bank 3208 13 0 1 ARN Network 8346 12 0 1 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1419 1418 UUNET Technologies, Inc. 7018 1364 1363 AT&T 1221 1114 1113 Telstra Pty Ltd 1239 921 920 Sprint 18566 715 714 Covad Communications 702 694 693 UUNET - Commercial IP service 4323 685 684 Time Warner Communications, I 6197 645 644 BellSouth Network Solutions, 3356 621 620 Level 3 Communications, LLC 6198 570 569 BellSouth Network Solutions, 20115 539 538 Charter Communications 7843 521 520 Adelphia Corp. 852 515 514 Telus Advanced Communications 19029 426 425 New Edge Networks 7132 415 414 Southwestern Bell Internet Se 690 410 409 Merit Network 705 394 393 UUNET Technologies, Inc. 4355 389 388 EarthLink, Inc. 2386 387 386 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 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 /18:17 /19:7 /20:4 /21:229 /22:14 /23:459 /24:127434 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 668 715 Covad Communications 2914 17 278 Verio, Inc. 3758 12 41 SingNet 29859 7 54 WideOpenWest LLC 7474 5 339 Optus Communications Pty Ltd 5786 4 149 University of Puerto Rico 4755 3 347 Videsh Sanchar Nigam Ltd. Aut 2561 1 56 Egyptian Universities Network 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 9583 1 271 Satyam Infoway Ltd., 19325 1 5 Data-Vision, Inc. 29128 1 1 Private Limited Company (PLC) Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:16 64:5 69:1 136:4 165:1 193:1 202:41 203:61822 204:1 206:1 210:4 End of report