Routing Table Report 04:00 +10GMT Mon 01 Dec, 2003 Analysis Summary ---------------- BGP routing table entries examined: 129109 Prefixes after maximum aggregation: 16598 Unique aggregates announced to Internet: 738 Total ASes present in the Internet Routing Table: 16159 Origin-only ASes present in the Internet Routing Table: 14008 Origin ASes announcing only one prefix: 6465 Transit ASes present in the Internet Routing Table: 2151 Transit-only ASes present in the Internet Routing Table: 66 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: 17 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 866561 Equivalent to 0 /8s, 13 /16s and 57 /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: 1324 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24226 Total APNIC prefixes after maximum aggregation: 2366 Prefixes being announced from the APNIC address blocks: 128212 Unique aggregates announced from the APNIC address blocks: 664 APNIC Region origin ASes present in the Internet Routing Table: 1935 APNIC Region origin ASes announcing only one prefix: 586 APNIC Region transit ASes present in the Internet Routing Table: 319 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 705793 Equivalent to 0 /8s, 10 /16s and 197 /24s Percentage of available APNIC address space announced: 0.4 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: 75573 Total ARIN prefixes after maximum aggregation: 8779 Prefixes being announced from the ARIN address blocks: 820 Unique aggregates announced from the ARIN address blocks: 61 ARIN Region origin ASes present in the Internet Routing Table: 8723 ARIN Region origin ASes announcing only one prefix: 3061 ARIN Region transit ASes present in the Internet Routing Table: 846 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 30464 Equivalent to 0 /8s, 0 /16s and 119 /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: 22750 Total RIPE prefixes after maximum aggregation: 4997 Prefixes being announced from the RIPE address blocks: 28 Unique aggregates announced from the RIPE address blocks: 13 RIPE Region origin ASes present in the Internet Routing Table: 4986 RIPE Region origin ASes announcing only one prefix: 2684 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: 20 Number of RIPE addresses announced to Internet: 130304 Equivalent to 0 /8s, 1 /16s and 253 /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: 5415 Total LACNIC prefixes after maximum aggregation: 361 Prefixes being announced from the LACNIC address blocks: 1 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 360 LACNIC Region origin ASes announcing only one prefix: 106 LACNIC Region transit ASes present in the Internet Routing Table: 72 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: 1119 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 1082 0 1 Telstra Pty Ltd 2764 841 36 301 connect.com.au pty ltd 4134 469 0 1 Data Communications Bureau 2907 365 0 1 SINET Japan 4755 343 20 66 Videsh Sanchar Nigam Ltd. Aut 7474 340 0 2 Optus Communications Pty Ltd 9443 339 0 3 Primus Telecommunications 703 328 0 2 UUNET 17557 301 0 1 Pakistan Telecom 17676 283 1 3 XTAGE CORPORATION 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 9942 203 1 11 COMindico Australia 9929 198 0 1 China Netcom Corp. 9498 174 0 1 BHARTI BT INTERNET LTD. 17642 154 0 2 RequestDSL BGP AS# for Sydney 4739 146 0 6 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1405 0 1 UUNET Technologies, Inc. 7018 1389 0 1 AT&T 1239 956 0 1 Sprint 209 859 0 1 Qwest 6197 762 0 1 BellSouth Network Solutions, 18566 729 0 1 Covad Communications 3356 714 0 1 Level 3 Communications, LLC 4323 679 0 1 Time Warner Communications, I 6198 611 0 1 BellSouth Network Solutions, 20115 572 0 1 Charter Communications 7843 524 0 1 Adelphia Corp. 852 502 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 705 384 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 259 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 161 0 1 France Telecom Transpac 25186 161 0 1 France Telecom Transpac's Tra 8708 160 0 1 Romania Data Systems S.A. 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 719 113 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 343 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 6147 126 0 1 Telefonica Del Peru 6503 126 0 1 AVANTEL, S.A. 10620 123 0 1 TVCABLE BOGOTA 11992 83 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 70 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 1916 59 0 1 Fundacao de Amparo a Pesquisa 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 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 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 1389 1388 AT&T 1221 1082 1081 Telstra Pty Ltd 1239 956 955 Sprint 209 859 858 Qwest 6197 762 761 BellSouth Network Solutions, 18566 729 728 Covad Communications 3356 714 713 Level 3 Communications, LLC 702 687 686 UUNET - Commercial IP service 4323 679 678 Time Warner Communications, I 6198 611 610 BellSouth Network Solutions, 20115 572 571 Charter Communications 2764 841 540 connect.com.au pty ltd 7843 524 523 Adelphia Corp. 852 502 501 Telus Advanced Communications 4134 469 468 Data Communications Bureau 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 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 64536 PRIVATE 203.63.61.0/25 2764 connect.com.au pty l 64530 PRIVATE 210.8.47.0/24 2764 connect.com.au pty l 64533 PRIVATE 210.8.54.0/23 2764 connect.com.au pty l 64600 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 64600 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 64600 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 64650 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 64650 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 64650 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 64650 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 64710 PRIVATE 203.14.8.16/24 17883 asn for Shanxi Provi 64710 PRIVATE 203.14.8.16/24 17883 asn for Shanxi Provi 64710 PRIVATE 203.14.8.16/24 17883 asn for Shanxi Provi 64513 PRIVATE 203.14.8.16/24 21166 Satgate autonomous s 64600 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 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 /16:25 /17:13 /18:27 /19:15 /20:11 /21:254 /22:50 /23:569 /24:128018 /25:123 /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 2764 466 841 connect.com.au pty ltd 1 38 231 GENUITY 2914 17 281 Verio, Inc. 4755 16 343 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 6316 11 39 StarNet, Inc. 9942 7 203 COMindico Australia 7474 4 340 Optus Communications Pty Ltd 15048 4 7 MetLife 2647 3 76 SITA 21367 3 7 Nextra Srl. 6100 2 23 North American Media Engines 8856 2 23 UkrNet Ltd 16367 2 2 Salamon Internet 17676 2 283 XTAGE CORPORATION 151 1 39 Hewlett-Packard Company 2561 1 55 Egyptian Universities Network 2878 1 27 M-VOLGA 3573 1 72 Andersen Consulting Number of /24s announced per /8 block (Global) ---------------------------------------------- 16:1 61:57 64:3 65:2 69:1 170:1 192:5 193:3 194:3 195:1 198:9 202:49 203:62052 205:1 206:2 207:6 209:12 210:239 213:1 216:20 219:9 220:5 End of report