Routing Table Report 04:00 +10GMT Mon 17 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 127812 Prefixes after maximum aggregation: 16173 Unique aggregates announced to Internet: 182 Total ASes present in the Internet Routing Table: 16098 Origin-only ASes present in the Internet Routing Table: 13969 Origin ASes announcing only one prefix: 6428 Transit ASes present in the Internet Routing Table: 2129 Transit-only ASes present in the Internet Routing Table: 68 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: 652225 Equivalent to 0 /8s, 9 /16s and 243 /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: 798 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23294 Total APNIC prefixes after maximum aggregation: 2049 Prefixes being announced from the APNIC address blocks: 127041 Unique aggregates announced from the APNIC address blocks: 175 APNIC Region origin ASes present in the Internet Routing Table: 1921 APNIC Region origin ASes announcing only one prefix: 580 APNIC Region transit ASes present in the Internet Routing Table: 308 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 551873 Equivalent to 0 /8s, 8 /16s and 107 /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: 75238 Total ARIN prefixes after maximum aggregation: 8705 Prefixes being announced from the ARIN address blocks: 729 Unique aggregates announced from the ARIN address blocks: 1 ARIN Region origin ASes present in the Internet Routing Table: 8693 ARIN Region origin ASes announcing only one prefix: 3038 ARIN Region transit ASes present in the Internet Routing Table: 841 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 2048 Equivalent to 0 /8s, 0 /16s and 8 /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: 22786 Total RIPE prefixes after maximum aggregation: 4969 Prefixes being announced from the RIPE address blocks: 12 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4965 RIPE Region origin ASes announcing only one prefix: 2675 RIPE Region transit ASes present in the Internet Routing Table: 867 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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: 5391 Total LACNIC prefixes after maximum aggregation: 354 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: 354 LACNIC Region origin ASes announcing only one prefix: 104 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: 1092 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: 10 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 1079 0 1 Telstra Pty Ltd 2907 371 0 1 SINET Japan 4755 366 21 74 Videsh Sanchar Nigam Ltd. Aut 4134 362 0 1 Data Communications Bureau 7474 344 0 7 Optus Communications Pty Ltd 9443 339 0 2 Primus Telecommunications 703 327 0 2 UUNET 17557 299 0 1 Pakistan Telecom 2764 288 0 1 connect.com.au pty ltd 17676 278 0 1 XTAGE CORPORATION 4766 260 0 1 Korea Internet Exchange for " 4538 247 0 1 China Education and Research 3786 234 0 1 DACOM Corporation 9498 207 0 1 BHARTI BT INTERNET LTD. 9800 207 0 1 CHINA UNICOM 9583 205 0 1 Satyam Infoway Ltd., 9929 194 2 2 China Netcom Corp. 9942 188 0 4 COMindico Australia 17642 155 0 2 RequestDSL BGP AS# for Sydney 4739 146 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1412 0 1 UUNET Technologies, Inc. 7018 1368 0 1 AT&T 1239 929 0 1 Sprint 209 880 0 1 Qwest 18566 724 0 1 Covad Communications 6197 712 0 1 BellSouth Network Solutions, 4323 687 0 1 Time Warner Communications, I 3356 631 0 1 Level 3 Communications, LLC 6198 613 0 1 BellSouth Network Solutions, 20115 585 0 1 Charter Communications 7843 526 0 1 Adelphia Corp. 852 514 0 1 Telus Advanced Communications 7132 472 0 1 Southwestern Bell Internet Se 19029 412 0 1 New Edge Networks 690 400 0 1 Merit Network 2386 397 0 1 AT&T Data Communications Serv 4355 386 0 1 EarthLink, Inc. 705 381 0 1 UUNET Technologies, Inc. 6347 349 0 1 SAVVIS Communications Corpora 27364 338 0 1 Armstrong Cable Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 693 0 1 UUNET - Commercial IP service 3301 311 0 1 TeliaNet Sweden 3320 271 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 5400 185 0 1 BT Ignite European Backbone 5515 176 0 1 Sonera Solution Autonomous Sy 786 175 0 1 The JANET IP Service 3215 162 0 1 France Telecom Transpac 8708 161 0 1 Romania Data Systems S.A. 25186 154 0 1 France Telecom Transpac's Tra 3303 144 0 1 Swisscom Ltd 6664 132 0 1 TELECOM ITALIA 3246 127 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 LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 343 0 1 ImpSat 8151 231 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 132 0 1 Global One Communicaoes Ltda 6503 125 0 1 AVANTEL, S.A. 6147 124 0 1 Telefonica Del Peru 10620 122 0 1 TVCABLE BOGOTA 11992 86 0 1 Integrated Systems 8065 78 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 61 0 1 ANDINATEL S.A. 27699 60 0 1 TELECOMUNICACOES DE SAO PAULO 7738 58 0 1 Telecomunicacoes da Bahia S.A 4926 57 0 1 Telintar S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 0 1 The Internet Solution 2018 94 0 1 Tertiary Education Network 5536 88 0 1 Internet Egypt Network 2905 58 0 1 The Internetworking Company o 2561 45 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 28 0 1 UUNET Kenya 5713 24 0 1 Telkom SA Ltd 12455 24 0 1 Jambonet Autonomous system 16637 24 0 1 Johnnic e-Ventures 6713 22 0 1 Itissalat Al-MAGHRIB 10798 18 0 1 Standard Bank of South Africa 8524 17 0 1 AUCEGYPT Autonomous System 3208 15 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 1368 1367 AT&T 1221 1079 1078 Telstra Pty Ltd 1239 929 928 Sprint 209 880 879 Qwest 18566 724 723 Covad Communications 6197 712 711 BellSouth Network Solutions, 702 693 692 UUNET - Commercial IP service 4323 687 686 Time Warner Communications, I 3356 631 630 Level 3 Communications, LLC 6198 613 612 BellSouth Network Solutions, 20115 585 584 Charter Communications 7843 526 525 Adelphia Corp. 852 514 513 Telus Advanced Communications 7132 472 471 Southwestern Bell Internet Se 19029 412 411 New Edge Networks 690 400 399 Merit Network 2386 397 396 AT&T Data Communications Serv 4355 386 385 EarthLink, Inc. 705 381 380 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 /16:17 /17:12 /18:25 /19:10 /20:5 /21:233 /22:15 /23:507 /24:126968 /25:2 /26:2 /27:4 /28:2 /29:5 /30:0 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 714 724 Covad Communications 4755 19 366 Videsh Sanchar Nigam Ltd. Aut 7474 19 344 Optus Communications Pty Ltd 2914 17 283 Verio, Inc. 3758 11 42 SingNet 6405 10 12 American Information Network 5467 2 3 MIPT-NET 3573 1 72 Andersen Consulting 6664 1 132 TELECOM ITALIA 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 10129 1 9 Salomon Smith Barney Australi 26647 1 1 Movers Specialty Service Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:16 63:1 64:3 69:1 149:1 151:1 170:1 202:32 203:61365 219:11 End of report