Routing Table Report 04:00 +10GMT Wed 21 Jan, 2004 Analysis Summary ---------------- BGP routing table entries examined: 129758 Prefixes after maximum aggregation: 16544 Unique aggregates announced to Internet: 235 Total ASes present in the Internet Routing Table: 16409 Origin-only ASes present in the Internet Routing Table: 14227 Origin ASes announcing only one prefix: 6586 Transit ASes present in the Internet Routing Table: 2182 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 32 Illegal AS announcements present in the Routing Table: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 788737 Equivalent to 0 /8s, 12 /16s and 9 /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: 785 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24340 Total APNIC prefixes after maximum aggregation: 2092 Prefixes being announced from the APNIC address blocks: 128948 Unique aggregates announced from the APNIC address blocks: 177 APNIC Region origin ASes present in the Internet Routing Table: 1958 APNIC Region origin ASes announcing only one prefix: 594 APNIC Region transit ASes present in the Internet Routing Table: 323 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 644609 Equivalent to 0 /8s, 9 /16s and 214 /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: 75640 Total ARIN prefixes after maximum aggregation: 8876 Prefixes being announced from the ARIN address blocks: 754 Unique aggregates announced from the ARIN address blocks: 49 ARIN Region origin ASes present in the Internet Routing Table: 8814 ARIN Region origin ASes announcing only one prefix: 3107 ARIN Region transit ASes present in the Internet Routing Table: 856 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 17152 Equivalent to 0 /8s, 0 /16s and 67 /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: 23324 Total RIPE prefixes after maximum aggregation: 5121 Prefixes being announced from the RIPE address blocks: 24 Unique aggregates announced from the RIPE address blocks: 9 RIPE Region origin ASes present in the Internet Routing Table: 5117 RIPE Region origin ASes announcing only one prefix: 2754 RIPE Region transit ASes present in the Internet Routing Table: 886 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 126976 Equivalent to 0 /8s, 1 /16s and 240 /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: 5288 Total LACNIC prefixes after maximum aggregation: 362 Prefixes being announced from the LACNIC address blocks: 7 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 362 LACNIC Region origin ASes announcing only one prefix: 104 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: 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: 1149 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 1027 0 1 Telstra Pty Ltd 4134 696 39 12 Data Communications Bureau 4766 398 0 1 Korea Internet Exchange for " 2907 364 0 1 SINET Japan 9443 348 0 2 Primus Telecommunications 7474 344 0 2 Optus Communications Pty Ltd 4755 343 15 63 Videsh Sanchar Nigam Ltd. Aut 703 337 0 2 UUNET 17557 318 0 1 Pakistan Telecom 9583 295 0 1 Satyam Infoway Ltd., 17676 295 1 3 XTAGE CORPORATION 2764 292 0 1 connect.com.au pty ltd 4538 249 0 1 China Education and Research 9800 214 0 1 CHINA UNICOM 9942 203 0 5 COMindico Australia 9929 199 0 1 China Netcom Corp. 9498 183 0 1 BHARTI BT INTERNET LTD. 17642 153 0 2 RequestDSL BGP AS# for Sydney 17964 151 0 1 Beijing Dian-Xin-Tong Network 7633 148 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1377 0 1 UUNET Technologies, Inc. 7018 1365 0 1 AT&T 1239 953 0 1 Sprint 6197 771 0 1 BellSouth Network Solutions, 3356 763 0 1 Level 3 Communications, LLC 209 728 0 1 Qwest 18566 681 0 1 Covad Communications 4323 675 0 1 Time Warner Communications, I 20115 598 0 1 Charter Communications 6198 546 0 1 BellSouth Network Solutions, 7843 509 0 1 Adelphia Corp. 852 504 0 1 Telus Advanced Communications 7132 454 0 1 Southwestern Bell Internet Se 2386 419 0 1 AT&T Data Communications Serv 19029 401 0 1 New Edge Networks 690 398 0 1 Merit Network 4355 382 0 1 EarthLink, Inc. 27364 378 0 1 Armstrong Cable Services 705 342 0 1 UUNET Technologies, Inc. 3549 336 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 687 0 1 UUNET - Commercial IP service 3301 334 0 1 TeliaNet Sweden 3320 277 0 1 Deutsche Telekom AG 8220 271 0 1 COLT Internet - International 680 241 0 1 DFN-IP service G-WiN 1257 224 0 1 SWIPnet Swedish IP Network 13083 215 0 1 Mannesmann Datenverarbeitung 3246 190 0 1 Song Networks 786 175 0 1 The JANET IP Service 5515 172 0 1 Sonera Solution Autonomous Sy 25186 168 0 1 France Telecom Transpac's Tra 8708 165 0 1 Romania Data Systems S.A. 3215 152 0 1 France Telecom Transpac 3303 138 0 1 Swisscom Ltd 5400 134 0 1 BT Ignite European Backbone 12302 131 0 1 MobiFon S.A. 3269 120 0 1 TELECOM ITALIA 2856 119 0 1 BTnet UK Regional network 719 114 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 354 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 141 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 14420 61 0 1 ANDINATEL S.A. 10292 60 0 1 TELECOMMUNICATIONS OF JAMAICA 7738 59 0 1 Telecomunicacoes da Bahia S.A 1916 58 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 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 33 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 12258 15 0 1 Vodacom Internet Company 15706 15 0 1 Sudatel Internet Exchange Aut 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 1365 1364 AT&T 1221 1027 1026 Telstra Pty Ltd 1239 953 952 Sprint 6197 771 770 BellSouth Network Solutions, 3356 763 762 Level 3 Communications, LLC 209 728 727 Qwest 702 687 686 UUNET - Commercial IP service 4134 696 684 Data Communications Bureau 18566 681 680 Covad Communications 4323 675 674 Time Warner Communications, I 20115 598 597 Charter Communications 6198 546 545 BellSouth Network Solutions, 7843 509 508 Adelphia Corp. 852 504 503 Telus Advanced Communications 7132 454 453 Southwestern Bell Internet Se 2386 419 418 AT&T Data Communications Serv 19029 401 400 New Edge Networks 690 398 397 Merit Network 4766 398 397 Korea Internet Exchange for " List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 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 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 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 /16:6 /17:10 /18:31 /19:9 /20:34 /21:239 /22:58 /23:445 /24:128922 /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 661 681 Covad Communications 1 38 212 GENUITY 4755 14 343 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 4134 11 696 Data Communications Bureau 4812 9 92 China Telecom (Group) 22411 7 15 Digital Way S.A 5400 4 134 BT Ignite European Backbone 7474 4 344 Optus Communications Pty Ltd 2647 3 80 SITA 17430 3 64 Great Wall Broadband Network 2914 2 269 Verio, Inc. 3776 2 46 Hawaii OnLine 17676 2 295 XTAGE CORPORATION 2561 1 58 Egyptian Universities Network 4628 1 52 Pacific Internet Pte Ltd 7381 1 13 Sungard Recovery Services, In 7629 1 23 INFOCOM Technologies, Inc. 7911 1 20 Williams Communications Group 7991 1 4 Savvis Communications Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:5 64:9 66:1 69:1 148:1 192:6 193:2 194:3 195:1 198:9 200:7 202:33 203:63259 204:1 205:2 206:2 207:3 209:10 210:1 216:19 218:3 219:8 End of report