Routing Table Report 04:00 +10GMT Wed 24 Mar, 2004 Analysis Summary ---------------- BGP routing table entries examined: 133407 Prefixes after maximum aggregation: 16945 Unique aggregates announced to Internet: 276 Total ASes present in the Internet Routing Table: 16818 Origin-only ASes present in the Internet Routing Table: 14583 Origin ASes announcing only one prefix: 6773 Transit ASes present in the Internet Routing Table: 2235 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 33 Illegal AS announcements present in the Routing Table: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 765697 Equivalent to 0 /8s, 11 /16s and 175 /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: 833 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25136 Total APNIC prefixes after maximum aggregation: 2137 Prefixes being announced from the APNIC address blocks: 132563 Unique aggregates announced from the APNIC address blocks: 179 APNIC Region origin ASes present in the Internet Routing Table: 2009 APNIC Region origin ASes announcing only one prefix: 611 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: 19 Number of APNIC addresses announced to Internet: 593921 Equivalent to 0 /8s, 9 /16s and 16 /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: 76948 Total ARIN prefixes after maximum aggregation: 9047 Prefixes being announced from the ARIN address blocks: 765 Unique aggregates announced from the ARIN address blocks: 60 ARIN Region origin ASes present in the Internet Routing Table: 9004 ARIN Region origin ASes announcing only one prefix: 3215 ARIN Region transit ASes present in the Internet Routing Table: 889 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 35840 Equivalent to 0 /8s, 0 /16s and 140 /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: 24431 Total RIPE prefixes after maximum aggregation: 5304 Prefixes being announced from the RIPE address blocks: 55 Unique aggregates announced from the RIPE address blocks: 37 RIPE Region origin ASes present in the Internet Routing Table: 5271 RIPE Region origin ASes announcing only one prefix: 2823 RIPE Region transit ASes present in the Internet Routing Table: 912 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 33 Number of RIPE addresses announced to Internet: 135936 Equivalent to 0 /8s, 2 /16s and 19 /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: 5665 Total LACNIC prefixes after maximum aggregation: 365 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: 365 LACNIC Region origin ASes announcing only one prefix: 99 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: 1215 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: 25 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 1017 0 1 Telstra Pty Ltd 4134 648 32 4 Data Communications Bureau 4766 445 0 1 Korea Internet Exchange for " 9583 381 0 1 Satyam Infoway Ltd., 4755 362 16 72 Videsh Sanchar Nigam Ltd. Aut 2907 361 0 1 SINET Japan 9443 361 0 2 Primus Telecommunications 7474 352 0 2 Optus Communications Pty Ltd 703 342 0 2 UUNET 17557 326 0 1 Pakistan Telecom 2764 299 0 1 connect.com.au pty ltd 17676 299 1 3 XTAGE CORPORATION 9800 214 0 1 CHINA UNICOM 9929 207 0 1 China Netcom Corp. 9942 202 0 5 COMindico Australia 9498 199 0 1 BHARTI BT INTERNET LTD. 9304 181 0 1 Hutchison Telecom (HK) 4837 172 0 1 chinanet IDC center beijing n 4804 164 0 1 Microplex PTY LTD 7633 159 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1387 0 1 AT&T 701 1301 0 1 UUNET Technologies, Inc. 1239 961 0 1 Sprint 3356 874 0 1 Level 3 Communications, LLC 209 727 0 1 Qwest 4323 694 0 1 Time Warner Communications, I 18566 691 0 1 Covad Communications 6197 681 0 1 BellSouth Network Solutions, 20115 611 0 1 Charter Communications 6198 549 0 1 BellSouth Network Solutions, 7843 537 0 1 Adelphia Corp. 852 513 0 1 Telus Advanced Communications 7132 478 0 1 Southwestern Bell Internet Se 2386 429 0 1 AT&T Data Communications Serv 27364 404 0 1 Armstrong Cable Services 690 397 0 1 Merit Network 4355 384 0 1 EarthLink, Inc. 22909 375 0 1 Comcast Cable Corporation 6347 374 0 1 SAVVIS Communications Corpora 19029 366 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 671 0 1 UUNET - Commercial IP service 3301 337 0 1 TeliaNet Sweden 3320 286 0 1 Deutsche Telekom AG 8220 264 0 1 COLT Internet - International 680 242 0 1 DFN-IP service G-WiN 1257 236 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 195 0 1 Song Networks 786 175 0 1 The JANET IP Service 8708 172 0 1 Romania Data Systems S.A. 1273 168 3 20 Cable & Wireless Deutschland 5515 167 0 1 Sonera Solution Autonomous Sy 3215 165 0 1 France Telecom Transpac 25186 165 0 1 France Telecom Transpac's Tra 5400 148 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 135 0 1 Dynamic Network Technologies, 3269 127 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 2856 116 0 1 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 379 0 1 ImpSat 8151 263 0 1 UniNet S.A. de C.V. 11172 204 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6503 142 0 1 AVANTEL, S.A. 7303 136 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6147 132 0 1 Telefonica Del Peru 11556 88 0 1 Cable-Wireless Panama 11992 88 0 1 Integrated Systems 6535 79 0 1 Chilesat Servicios Empresari 15311 77 0 1 Telefonica Empresas 4270 71 0 1 Red de Interconexion Universi 14535 69 0 1 Techtel S.A. 11311 66 0 1 Sinectis S.A. 5639 65 0 1 Telecommunications Services o 7080 64 0 1 Electronica y Comunicaciones 14420 64 0 1 ANDINATEL S.A. 7738 63 0 1 Telecomunicacoes da Bahia S.A 10292 63 0 1 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 252 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 54 0 1 Egyptian Universities Network 11845 36 0 1 Data Pro Business Online 3208 33 0 1 ARN Network 9129 32 0 1 UUNET Kenya 16637 25 0 1 Johnnic e-Ventures 5713 24 0 1 Telkom SA Ltd 12455 24 0 1 Jambonet Autonomous system 24835 23 0 1 RAYA Telecom - Egypt 6713 22 0 1 Itissalat Al-MAGHRIB 8524 22 0 1 AUCEGYPT Autonomous System 14988 22 0 1 Botswana Telecommunications C 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 15825 16 0 1 Network Computer Systems Auto 12258 15 0 1 Vodacom Internet Company Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1301 1300 UUNET Technologies, Inc. 1221 1017 1016 Telstra Pty Ltd 1239 961 960 Sprint 3356 874 873 Level 3 Communications, LLC 209 727 726 Qwest 4323 694 693 Time Warner Communications, I 18566 691 690 Covad Communications 6197 681 680 BellSouth Network Solutions, 702 671 670 UUNET - Commercial IP service 4134 648 644 Data Communications Bureau 20115 611 610 Charter Communications 6198 549 548 BellSouth Network Solutions, 7843 537 536 Adelphia Corp. 852 513 512 Telus Advanced Communications 7132 478 477 Southwestern Bell Internet Se 4766 445 444 Korea Internet Exchange for " 2386 429 428 AT&T Data Communications Serv 27364 404 403 Armstrong Cable Services 690 397 396 Merit Network List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 29975 UNALLOCATED 203.14.8.16/24 3741 The Internet Solutio 64541 PRIVATE 203.14.8.16/24 22551 Anobi Technology Cor 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 /18:21 /19:21 /20:25 /21:242 /22:64 /23:449 /24:132574 /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 671 691 Covad Communications 1273 31 168 Cable & Wireless Deutschland 1 30 117 GENUITY 21152 26 29 AS for the uplinks of Soficom 4755 20 362 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 4835 7 9 China Telecom (Group) 2647 3 77 SITA 2828 3 123 XO Communications 7474 3 352 Optus Communications Pty Ltd 2914 2 268 Verio, Inc. 4134 2 648 Data Communications Bureau 4816 2 2 China Telecom (Group) 17676 2 299 XTAGE CORPORATION 21576 2 7 Telentente, Inc. 23843 2 3 Beijing Telecom Development C 4181 1 58 TDS TELECOM 4628 1 51 Pacific Internet Pte Ltd 5384 1 37 Emirates Internet 6347 1 374 SAVVIS Communications Corpora Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 63:2 64:3 65:4 69:1 166:7 192:2 194:1 195:6 202:44 203:1342 205:1 206:2 207:4 208:11 209:9 213:26 216:14 217:1 218:7 219:12 End of report