Routing Table Report 04:00 +10GMT Sat 24 Jan, 2004 Analysis Summary ---------------- BGP routing table entries examined: 129891 Prefixes after maximum aggregation: 16568 Unique aggregates announced to Internet: 251 Total ASes present in the Internet Routing Table: 16438 Origin-only ASes present in the Internet Routing Table: 14252 Origin ASes announcing only one prefix: 6601 Transit ASes present in the Internet Routing Table: 2186 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: 27 Illegal AS announcements present in the Routing Table: 5 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 784897 Equivalent to 0 /8s, 11 /16s and 250 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 786 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24380 Total APNIC prefixes after maximum aggregation: 2091 Prefixes being announced from the APNIC address blocks: 129075 Unique aggregates announced from the APNIC address blocks: 170 APNIC Region origin ASes present in the Internet Routing Table: 1962 APNIC Region origin ASes announcing only one prefix: 596 APNIC Region transit ASes present in the Internet Routing Table: 324 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 623105 Equivalent to 0 /8s, 9 /16s and 130 /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: 75615 Total ARIN prefixes after maximum aggregation: 8875 Prefixes being announced from the ARIN address blocks: 741 Unique aggregates announced from the ARIN address blocks: 43 ARIN Region origin ASes present in the Internet Routing Table: 8828 ARIN Region origin ASes announcing only one prefix: 3118 ARIN Region transit ASes present in the Internet Routing Table: 858 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 23296 Equivalent to 0 /8s, 0 /16s and 91 /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 31744 - 32767 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 23435 Total RIPE prefixes after maximum aggregation: 5147 Prefixes being announced from the RIPE address blocks: 51 Unique aggregates announced from the RIPE address blocks: 38 RIPE Region origin ASes present in the Internet Routing Table: 5130 RIPE Region origin ASes announcing only one prefix: 2757 RIPE Region transit ASes present in the Internet Routing Table: 895 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 138496 Equivalent to 0 /8s, 2 /16s and 29 /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: 5300 Total LACNIC prefixes after maximum aggregation: 363 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: 363 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: 1148 Total AfriNIC prefixes after maximum aggregation: 92 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: 92 AfriNIC Region origin ASes announcing only one prefix: 26 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 1038 0 1 Telstra Pty Ltd 4134 657 32 4 Data Communications Bureau 4766 401 0 1 Korea Internet Exchange for " 2907 365 0 1 SINET Japan 9443 348 0 2 Primus Telecommunications 7474 344 0 2 Optus Communications Pty Ltd 4755 341 20 67 Videsh Sanchar Nigam Ltd. Aut 703 337 0 2 UUNET 17557 320 0 1 Pakistan Telecom 9583 300 0 1 Satyam Infoway Ltd., 17676 295 1 3 XTAGE CORPORATION 2764 293 0 1 connect.com.au pty ltd 4538 249 0 1 China Education and Research 9800 214 0 1 CHINA UNICOM 9942 204 0 5 COMindico Australia 9929 199 0 1 China Netcom Corp. 9498 182 0 1 BHARTI BT INTERNET LTD. 17642 152 0 2 RequestDSL BGP AS# for Sydney 17964 151 0 1 Beijing Dian-Xin-Tong Network 7633 148 0 3 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1378 0 1 UUNET Technologies, Inc. 7018 1366 0 1 AT&T 1239 952 0 1 Sprint 3356 762 0 1 Level 3 Communications, LLC 209 727 0 1 Qwest 6197 696 0 1 BellSouth Network Solutions, 4323 689 0 1 Time Warner Communications, I 18566 685 0 1 Covad Communications 20115 599 0 1 Charter Communications 6198 591 0 1 BellSouth Network Solutions, 7843 511 0 1 Adelphia Corp. 852 504 2 2 Telus Advanced Communications 7132 451 0 1 Southwestern Bell Internet Se 2386 418 0 1 AT&T Data Communications Serv 690 398 0 1 Merit Network 19029 394 0 1 New Edge Networks 4355 382 0 1 EarthLink, Inc. 27364 382 0 1 Armstrong Cable Services 3549 335 0 1 Global Crossing 22773 332 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 689 0 1 UUNET - Commercial IP service 3301 335 0 1 TeliaNet Sweden 3320 276 0 1 Deutsche Telekom AG 8220 273 0 1 COLT Internet - International 680 241 0 1 DFN-IP service G-WiN 1257 225 0 1 SWIPnet Swedish IP Network 13083 215 0 1 Mannesmann Datenverarbeitung 3246 188 0 1 Song Networks 786 175 0 1 The JANET IP Service 8708 171 0 1 Romania Data Systems S.A. 5515 169 0 1 Sonera Solution Autonomous Sy 25186 168 0 1 France Telecom Transpac's Tra 3215 153 0 1 France Telecom Transpac 3303 138 0 1 Swisscom Ltd 5400 138 0 1 BT Ignite European Backbone 12302 125 0 1 MobiFon S.A. 3269 122 0 1 TELECOM ITALIA 2856 119 0 1 BTnet UK Regional network 719 115 0 1 LANLINK autonomous system 6746 105 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 357 0 1 ImpSat 8151 245 0 1 UniNet S.A. de C.V. 11172 195 0 1 Servicios Alestra S.A de C.V 16814 155 0 1 NSS, S.A. 7303 138 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6503 129 0 1 AVANTEL, S.A. 6147 124 0 1 Telefonica Del Peru 15311 78 0 1 Telefonica Empresas 6535 77 0 1 Chilesat Servicios Empresari 4270 71 0 1 Red de Interconexion Universi 11311 68 0 1 Sinectis S.A. 11992 67 0 1 Integrated Systems 7080 66 0 1 Electronica y Comunicaciones 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 10292 61 0 1 TELECOMMUNICATIONS OF JAMAICA 14420 61 0 1 ANDINATEL S.A. 1916 59 0 1 Fundacao de Amparo a Pesquisa 7738 59 0 1 Telecomunicacoes da Bahia 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 249 0 1 The Internet Solution 5536 103 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 90 0 1 The Internetworking Company o 2561 58 0 1 Egyptian Universities Network 11845 36 0 1 Data Pro Business Online 3208 32 0 1 ARN Network 16637 26 0 1 Johnnic e-Ventures 9129 25 0 1 UUNET Kenya 5713 24 0 1 Telkom SA Ltd 24835 23 0 1 RAYA Telecom - Egypt 12455 22 0 1 Jambonet Autonomous system 6713 21 0 1 Itissalat Al-MAGHRIB 8524 18 0 1 AUCEGYPT Autonomous System 10798 18 0 1 Standard Bank of South Africa 15706 16 0 1 Sudatel Internet Exchange Aut 12258 15 0 1 Vodacom Internet Company 17148 14 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS 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 1366 1365 AT&T 1221 1038 1037 Telstra Pty Ltd 1239 952 951 Sprint 3356 762 761 Level 3 Communications, LLC 209 727 726 Qwest 6197 696 695 BellSouth Network Solutions, 702 689 688 UUNET - Commercial IP service 4323 689 688 Time Warner Communications, I 18566 685 684 Covad Communications 4134 657 653 Data Communications Bureau 20115 599 598 Charter Communications 6198 591 590 BellSouth Network Solutions, 7843 511 510 Adelphia Corp. 852 504 502 Telus Advanced Communications 7132 451 450 Southwestern Bell Internet Se 2386 418 417 AT&T Data Communications Serv 4766 401 400 Korea Internet Exchange for " 690 398 397 Merit Network 19029 394 393 New Edge Networks List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65412 PRIVATE 64.70.42.0/24 3561 Cable & Wireless USA 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 64512 PRIVATE 204.70.1.0/24 3561 Cable & Wireless USA 23861 UNALLOCATED 203.14.8.16/24 4766 Korea Internet Excha 23861 UNALLOCATED 203.14.8.16/24 4766 Korea Internet Excha 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 /16:3 /17:8 /18:24 /19:14 /20:19 /21:237 /22:55 /23:440 /24:129087 /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 664 685 Covad Communications 1 33 206 GENUITY 9172 29 30 Macedonia On-Line Autonomous 4755 15 341 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 7474 4 344 Optus Communications Pty Ltd 2647 3 79 SITA 17430 3 63 Great Wall Broadband Network 2914 2 269 Verio, Inc. 4134 2 657 Data Communications Bureau 17676 2 295 XTAGE CORPORATION 3542 1 2 DISA/UNRRA 3597 1 21 Asociacion Civil Ciencia Hoy 4628 1 52 Pacific Internet Pte Ltd 4812 1 74 China Telecom (Group) 7381 1 13 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 7991 1 4 Savvis Communications 8860 1 2 Business Data 8881 1 14 KomTel routing policies Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 64:3 69:1 148:1 192:5 193:1 195:3 198:9 202:34 203:63422 204:1 206:2 207:3 209:9 210:1 212:29 216:16 219:8 End of report