Routing Table Report 04:00 +10GMT Thu 01 Apr, 2004 Analysis Summary ---------------- BGP routing table entries examined: 134106 Prefixes after maximum aggregation: 16988 Unique aggregates announced to Internet: 227 Total ASes present in the Internet Routing Table: 16881 Origin-only ASes present in the Internet Routing Table: 14630 Origin ASes announcing only one prefix: 6791 Transit ASes present in the Internet Routing Table: 2251 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: 32 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: 755713 Equivalent to 0 /8s, 11 /16s and 136 /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: 777 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25455 Total APNIC prefixes after maximum aggregation: 2146 Prefixes being announced from the APNIC address blocks: 133306 Unique aggregates announced from the APNIC address blocks: 177 APNIC Region origin ASes present in the Internet Routing Table: 2013 APNIC Region origin ASes announcing only one prefix: 613 APNIC Region transit ASes present in the Internet Routing Table: 320 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 632833 Equivalent to 0 /8s, 9 /16s and 168 /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: 77328 Total ARIN prefixes after maximum aggregation: 9072 Prefixes being announced from the ARIN address blocks: 751 Unique aggregates announced from the ARIN address blocks: 42 ARIN Region origin ASes present in the Internet Routing Table: 9027 ARIN Region origin ASes announcing only one prefix: 3215 ARIN Region transit ASes present in the Internet Routing Table: 894 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 24064 Equivalent to 0 /8s, 0 /16s and 94 /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: 24420 Total RIPE prefixes after maximum aggregation: 5314 Prefixes being announced from the RIPE address blocks: 28 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 5308 RIPE Region origin ASes announcing only one prefix: 2839 RIPE Region transit ASes present in the Internet Routing Table: 928 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 98816 Equivalent to 0 /8s, 1 /16s and 130 /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: 5687 Total LACNIC prefixes after maximum aggregation: 364 Prefixes being announced from the LACNIC address blocks: 2 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: 99 LACNIC Region transit ASes present in the Internet Routing Table: 70 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: 1204 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: 11 Average AfriNIC Region AS path length visible: 6.9 Max AfriNIC Region AS path length visible: 18 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 997 0 1 Telstra Pty Ltd 4134 681 32 4 Data Communications Bureau 4766 453 0 1 Korea Internet Exchange for " 9583 428 0 1 Satyam Infoway Ltd., 4755 364 14 87 Videsh Sanchar Nigam Ltd. Aut 9443 360 0 2 Primus Telecommunications 2907 351 0 1 SINET Japan 7474 350 0 2 Optus Communications Pty Ltd 703 341 0 2 UUNET 17557 323 0 1 Pakistan Telecom 17676 308 1 3 XTAGE CORPORATION 2764 299 0 1 connect.com.au pty ltd 9929 267 0 1 China Netcom Corp. 9800 214 0 1 CHINA UNICOM 9942 202 0 5 COMindico Australia 9498 187 0 2 BHARTI BT INTERNET LTD. 9304 180 0 1 Hutchison Telecom (HK) 4804 176 0 1 Microplex PTY LTD 4837 172 0 1 chinanet IDC center beijing n 7633 153 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1397 0 1 AT&T 701 1299 0 1 UUNET Technologies, Inc. 1239 957 0 1 Sprint 3356 885 0 1 Level 3 Communications, LLC 209 732 0 1 Qwest 4323 694 0 1 Time Warner Communications, I 18566 693 0 1 Covad Communications 6197 690 0 1 BellSouth Network Solutions, 20115 597 0 1 Charter Communications 6198 551 0 1 BellSouth Network Solutions, 7843 537 0 1 Adelphia Corp. 852 513 0 1 Telus Advanced Communications 7132 480 0 1 Southwestern Bell Internet Se 2386 428 0 1 AT&T Data Communications Serv 27364 404 0 1 Armstrong Cable Services 690 394 0 1 Merit Network 4355 384 0 1 EarthLink, Inc. 22909 380 0 1 Comcast Cable Corporation 6347 371 0 1 SAVVIS Communications Corpora 19029 369 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 669 0 1 UUNET - Commercial IP service 3320 285 0 1 Deutsche Telekom AG 3301 272 0 1 TeliaNet Sweden 8220 265 0 1 COLT Internet - International 680 245 0 1 DFN-IP service G-WiN 1257 234 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 196 0 1 Song Networks 786 175 0 1 The JANET IP Service 8708 173 0 1 Romania Data Systems S.A. 3215 166 0 1 France Telecom Transpac 5515 166 0 1 Sonera Solution Autonomous Sy 25186 163 0 1 France Telecom Transpac's Tra 5400 150 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 135 0 1 Dynamic Network Technologies, 3269 131 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 1273 116 0 1 Cable & Wireless Deutschland 2856 116 0 1 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 378 0 1 ImpSat 8151 268 0 1 UniNet S.A. de C.V. 11172 204 0 1 Servicios Alestra S.A de C.V 16814 159 0 1 NSS, S.A. 7303 139 0 1 Telecom Argentina Stet-France 6503 137 0 1 AVANTEL, S.A. 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 70 0 1 Red de Interconexion Universi 11311 69 0 1 Sinectis S.A. 14535 69 0 1 Techtel S.A. 5639 65 0 1 Telecommunications Services o 14420 65 0 1 ANDINATEL S.A. 7080 64 0 1 Electronica y Comunicaciones 10292 63 0 1 TELECOMMUNICATIONS OF JAMAICA 7738 62 0 1 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 252 0 1 The Internet Solution 5536 105 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 89 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 12258 15 0 1 Vodacom Internet Company 20928 15 0 1 Noor Advanced Technologies AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1299 1298 UUNET Technologies, Inc. 1221 997 996 Telstra Pty Ltd 1239 957 956 Sprint 3356 885 884 Level 3 Communications, LLC 209 732 731 Qwest 4323 694 693 Time Warner Communications, I 18566 693 692 Covad Communications 6197 690 689 BellSouth Network Solutions, 4134 681 677 Data Communications Bureau 702 669 668 UUNET - Commercial IP service 20115 597 596 Charter Communications 6198 551 550 BellSouth Network Solutions, 7843 537 536 Adelphia Corp. 852 513 512 Telus Advanced Communications 7132 480 479 Southwestern Bell Internet Se 4766 453 452 Korea Internet Exchange for " 2386 428 427 AT&T Data Communications Serv 9583 428 427 Satyam Infoway Ltd., 27364 404 403 Armstrong Cable Services List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64512 PRIVATE 203.14.8.16/24 4755 Videsh Sanchar Nigam 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 29975 UNALLOCATED 203.14.8.16/24 3741 The Internet Solutio 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 /15:1 /16:3 /17:7 /18:19 /19:12 /20:18 /21:235 /22:55 /23:448 /24:133305 /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 673 693 Covad Communications 1 30 106 GENUITY 4755 20 364 Videsh Sanchar Nigam Ltd. Aut 3758 11 48 SingNet 21214 9 11 Geonet-AS 2561 5 54 Egyptian Universities Network 2647 3 78 SITA 2828 3 123 XO Communications 7474 3 350 Optus Communications Pty Ltd 2914 2 270 Verio, Inc. 4134 2 681 Data Communications Bureau 4816 2 2 China Telecom (Group) 17676 2 308 XTAGE CORPORATION 21576 2 7 Telentente, Inc. 4628 1 51 Pacific Internet Pte Ltd 7381 1 13 Sungard Recovery Services, In 7590 1 23 Commission on Science and Tec 7911 1 19 Williams Communications Group 8897 1 10 Mistral Internet UK 9021 1 10 ISBANKASI Autonomous System Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 64:2 65:4 69:1 80:9 81:1 192:3 193:5 198:3 199:2 200:2 202:53 203:2101 205:1 206:1 207:3 209:9 210:1 212:1 216:14 217:1 218:1 219:12 End of report