Routing Table Report 04:00 +10GMT Sat 21 Feb, 2004 Analysis Summary ---------------- BGP routing table entries examined: 131745 Prefixes after maximum aggregation: 16705 Unique aggregates announced to Internet: 218 Total ASes present in the Internet Routing Table: 16592 Origin-only ASes present in the Internet Routing Table: 14401 Origin ASes announcing only one prefix: 6659 Transit ASes present in the Internet Routing Table: 2191 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: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 668417 Equivalent to 0 /8s, 10 /16s and 51 /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: 764 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24786 Total APNIC prefixes after maximum aggregation: 2110 Prefixes being announced from the APNIC address blocks: 130962 Unique aggregates announced from the APNIC address blocks: 166 APNIC Region origin ASes present in the Internet Routing Table: 1988 APNIC Region origin ASes announcing only one prefix: 607 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: 21 Number of APNIC addresses announced to Internet: 533761 Equivalent to 0 /8s, 8 /16s and 37 /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: 76538 Total ARIN prefixes after maximum aggregation: 8954 Prefixes being announced from the ARIN address blocks: 739 Unique aggregates announced from the ARIN address blocks: 44 ARIN Region origin ASes present in the Internet Routing Table: 8906 ARIN Region origin ASes announcing only one prefix: 3148 ARIN Region transit ASes present in the Internet Routing Table: 870 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 27904 Equivalent to 0 /8s, 0 /16s and 109 /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: 23754 Total RIPE prefixes after maximum aggregation: 5184 Prefixes being announced from the RIPE address blocks: 19 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 5178 RIPE Region origin ASes announcing only one prefix: 2777 RIPE Region transit ASes present in the Internet Routing Table: 886 Average RIPE Region AS path length visible: 7.1 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 106752 Equivalent to 0 /8s, 1 /16s and 161 /24s Percentage of available RIPE address space announced: 0.0 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: 5490 Total LACNIC prefixes after maximum aggregation: 364 Prefixes being announced from the LACNIC address blocks: 6 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 364 LACNIC Region origin ASes announcing only one prefix: 100 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 7.2 Max LACNIC Region AS path length visible: 17 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: 1165 Total AfriNIC prefixes after maximum aggregation: 93 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: 27 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 1028 0 1 Telstra Pty Ltd 4134 660 34 5 Data Communications Bureau 4766 418 0 1 Korea Internet Exchange for " 2907 361 0 1 SINET Japan 4755 361 21 75 Videsh Sanchar Nigam Ltd. Aut 9443 352 0 2 Primus Telecommunications 9583 351 0 1 Satyam Infoway Ltd., 7474 344 0 2 Optus Communications Pty Ltd 703 340 0 2 UUNET 17557 333 0 1 Pakistan Telecom 2764 302 0 1 connect.com.au pty ltd 17676 296 1 3 XTAGE CORPORATION 9800 214 0 1 CHINA UNICOM 9929 208 0 1 China Netcom Corp. 9942 208 0 5 COMindico Australia 9498 192 0 1 BHARTI BT INTERNET LTD. 9304 170 0 1 Hutchison Telecom (HK) 4804 165 0 1 Microplex PTY LTD 4837 157 0 1 chinanet IDC center beijing n 4739 152 0 6 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1382 0 1 AT&T 701 1324 0 1 UUNET Technologies, Inc. 1239 945 0 1 Sprint 3356 807 0 1 Level 3 Communications, LLC 6197 733 0 1 BellSouth Network Solutions, 209 716 0 1 Qwest 4323 692 0 2 Time Warner Communications, I 18566 689 0 1 Covad Communications 20115 608 0 1 Charter Communications 6198 545 0 1 BellSouth Network Solutions, 852 504 0 1 Telus Advanced Communications 7843 501 0 1 Adelphia Corp. 7132 461 0 1 Southwestern Bell Internet Se 2386 430 0 1 AT&T Data Communications Serv 690 397 0 1 Merit Network 19029 388 0 1 New Edge Networks 4355 385 0 1 EarthLink, Inc. 27364 382 0 1 Armstrong Cable Services 5668 347 0 1 Century Telephone 22773 344 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 680 0 1 UUNET - Commercial IP service 3301 336 0 1 TeliaNet Sweden 3320 284 0 1 Deutsche Telekom AG 8220 268 0 1 COLT Internet - International 680 242 0 1 DFN-IP service G-WiN 1257 229 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 189 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 165 0 1 France Telecom Transpac's Tra 3215 164 0 1 France Telecom Transpac 5400 148 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 127 0 1 Dynamic Network Technologies, 3269 125 0 1 TELECOM ITALIA 12302 122 0 1 MobiFon S.A. 2856 117 0 1 BTnet UK Regional network 719 115 0 1 LANLINK autonomous system LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 357 0 1 ImpSat 8151 264 0 1 UniNet S.A. de C.V. 11172 203 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6503 139 0 1 AVANTEL, S.A. 7303 139 0 1 Telecom Argentina Stet-France 6505 132 0 1 Global One Communicaoes Ltda 6147 119 0 1 Telefonica Del Peru 11556 88 0 1 Cable-Wireless Panama 15311 78 0 1 Telefonica Empresas 6535 77 0 1 Chilesat Servicios Empresari 11992 77 0 1 Integrated Systems 4270 71 0 1 Red de Interconexion Universi 11311 67 0 1 Sinectis S.A. 7080 66 0 1 Electronica y Comunicaciones 14420 66 0 1 ANDINATEL S.A. 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 5639 61 0 1 Telecommunications Services o 10292 61 0 1 TELECOMMUNICATIONS OF JAMAICA 7738 58 0 1 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 250 0 1 The Internet Solution 5536 104 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 9129 29 0 1 UUNET Kenya 16637 25 0 1 Johnnic e-Ventures 5713 24 0 1 Telkom SA Ltd 24835 24 0 1 RAYA Telecom - Egypt 12455 22 0 1 Jambonet Autonomous system 6713 21 0 1 Itissalat Al-MAGHRIB 8524 19 0 1 AUCEGYPT Autonomous System 10798 18 0 1 Standard Bank of South Africa 15706 16 0 1 Sudatel Internet Exchange Aut 15808 16 0 1 Communication Solutions Ltd i 12258 15 0 1 Vodacom Internet Company 17148 14 0 1 First National Bank 8346 13 0 1 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1324 1323 UUNET Technologies, Inc. 1221 1028 1027 Telstra Pty Ltd 1239 945 944 Sprint 3356 807 806 Level 3 Communications, LLC 6197 733 732 BellSouth Network Solutions, 209 716 715 Qwest 4323 692 690 Time Warner Communications, I 18566 689 688 Covad Communications 702 680 679 UUNET - Commercial IP service 4134 660 655 Data Communications Bureau 20115 608 607 Charter Communications 6198 545 544 BellSouth Network Solutions, 852 504 503 Telus Advanced Communications 7843 501 500 Adelphia Corp. 7132 461 460 Southwestern Bell Internet Se 2386 430 429 AT&T Data Communications Serv 4766 418 417 Korea Internet Exchange for " 690 397 396 Merit Network 19029 388 387 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 18412 UNALLOCATED 203.14.8.16/24 9674 Far EastTone Telecom 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 /16:2 /17:6 /18:20 /19:13 /20:25 /21:239 /22:55 /23:446 /24:130936 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:3 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 668 689 Covad Communications 1 32 161 GENUITY 4755 21 361 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 2647 3 80 SITA 7474 3 344 Optus Communications Pty Ltd 17430 3 67 Great Wall Broadband Network 2914 2 269 Verio, Inc. 4134 2 660 Data Communications Bureau 17676 2 296 XTAGE CORPORATION 4323 1 692 Time Warner Communications, I 4628 1 51 Pacific Internet Pte Ltd 4812 1 76 China Telecom (Group) 5495 1 14 University Network 6503 1 139 AVANTEL, S.A. 7381 1 13 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 8881 1 15 KomTel routing policies 9308 1 9 21VIANET(CHINA),INC 9506 1 26 Magix Broadband Network Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 63:1 64:3 69:1 192:3 193:1 195:1 198:2 200:3 202:36 203:65303 207:3 209:9 210:1 216:17 217:1 219:12 End of report