Routing Table Report 04:00 +10GMT Thu 08 Apr, 2004 Analysis Summary ---------------- BGP routing table entries examined: 134454 Prefixes after maximum aggregation: 17042 Unique aggregates announced to Internet: 304 Total ASes present in the Internet Routing Table: 16905 Origin-only ASes present in the Internet Routing Table: 14662 Origin ASes announcing only one prefix: 6804 Transit ASes present in the Internet Routing Table: 2243 Transit-only ASes present in the Internet Routing Table: 73 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: 839937 Equivalent to 0 /8s, 12 /16s and 209 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 60.0 Total number of prefixes smaller than registry allocations: 792 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25613 Total APNIC prefixes after maximum aggregation: 2175 Prefixes being announced from the APNIC address blocks: 133645 Unique aggregates announced from the APNIC address blocks: 248 APNIC Region origin ASes present in the Internet Routing Table: 2017 APNIC Region origin ASes announcing only one prefix: 619 APNIC Region transit ASes present in the Internet Routing Table: 322 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 664321 Equivalent to 0 /8s, 10 /16s and 35 /24s Percentage of available APNIC address space announced: 0.4 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: 77394 Total ARIN prefixes after maximum aggregation: 9078 Prefixes being announced from the ARIN address blocks: 751 Unique aggregates announced from the ARIN address blocks: 46 ARIN Region origin ASes present in the Internet Routing Table: 9033 ARIN Region origin ASes announcing only one prefix: 3209 ARIN Region transit ASes present in the Internet Routing Table: 888 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 64512 Equivalent to 0 /8s, 0 /16s and 252 /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: 24565 Total RIPE prefixes after maximum aggregation: 5335 Prefixes being announced from the RIPE address blocks: 19 Unique aggregates announced from the RIPE address blocks: 10 RIPE Region origin ASes present in the Internet Routing Table: 5327 RIPE Region origin ASes announcing only one prefix: 2855 RIPE Region transit ASes present in the Internet Routing Table: 924 Average RIPE Region AS path length visible: 7.1 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 111104 Equivalent to 0 /8s, 1 /16s and 178 /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, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5712 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: 98 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: 21 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: 1159 Total AfriNIC prefixes after maximum aggregation: 91 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: 91 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 6.8 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 999 0 1 Telstra Pty Ltd 4134 683 32 4 Data Communications Bureau 4766 454 0 1 Korea Internet Exchange for " 9583 441 0 1 Satyam Infoway Ltd., 4755 363 22 96 Videsh Sanchar Nigam Ltd. Aut 2907 359 0 1 SINET Japan 9443 359 0 2 Primus Telecommunications 7474 352 0 2 Optus Communications Pty Ltd 703 341 0 2 UUNET 17557 317 0 1 Pakistan Telecom 9929 309 0 1 China Netcom Corp. 17676 308 1 3 XTAGE CORPORATION 2764 299 0 1 connect.com.au pty ltd 9800 217 0 1 CHINA UNICOM 9942 200 0 5 COMindico Australia 9498 194 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 160 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1411 0 1 AT&T 701 1297 0 1 UUNET Technologies, Inc. 1239 953 0 2 Sprint 3356 890 0 1 Level 3 Communications, LLC 209 743 0 1 Qwest 4323 711 0 1 Time Warner Communications, I 18566 697 0 1 Covad Communications 6197 687 0 1 BellSouth Network Solutions, 20115 595 0 1 Charter Communications 6198 555 0 1 BellSouth Network Solutions, 852 511 0 1 Telus Advanced Communications 7843 488 0 1 Adelphia Corp. 7132 482 0 1 Southwestern Bell Internet Se 2386 432 0 1 AT&T Data Communications Serv 27364 404 0 1 Armstrong Cable Services 690 390 0 1 Merit Network 4355 384 0 1 EarthLink, Inc. 22909 383 0 1 Comcast Cable Corporation 6347 370 0 1 SAVVIS Communications Corpora 19029 370 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 668 0 1 UUNET - Commercial IP service 3320 291 0 1 Deutsche Telekom AG 3301 272 0 1 TeliaNet Sweden 8220 266 0 1 COLT Internet - International 680 245 0 1 DFN-IP service G-WiN 1257 233 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 196 0 1 Song Networks 5515 194 0 1 Sonera Solution Autonomous Sy 786 175 0 1 The JANET IP Service 8708 173 0 1 Romania Data Systems S.A. 3215 166 0 1 France Telecom Transpac 25186 163 0 1 France Telecom Transpac's Tra 5400 154 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 135 0 1 Dynamic Network Technologies, 3269 134 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 1273 120 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 377 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 162 0 1 NSS, S.A. 7303 141 0 1 Telecom Argentina Stet-France 6503 137 0 1 AVANTEL, S.A. 6505 133 0 1 Global One Communicaoes Ltda 6147 131 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 14420 73 0 1 ANDINATEL S.A. 4270 70 0 1 Red de Interconexion Universi 11311 69 0 1 Sinectis S.A. 14259 69 0 1 GTD Internet S.A. 14535 69 0 1 Techtel S.A. 5639 65 0 1 Telecommunications Services o 7080 64 0 1 Electronica y Comunicaciones 10292 63 0 1 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 254 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 11845 36 0 1 Data Pro Business Online 3208 33 0 1 ARN Network 9129 33 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 8524 23 0 1 AUCEGYPT Autonomous System 24835 23 0 1 RAYA Telecom - Egypt 6713 22 0 1 Itissalat Al-MAGHRIB 14988 22 0 1 Botswana Telecommunications C 10798 18 0 1 Standard Bank of South Africa 15706 16 0 1 Sudatel Internet Exchange Aut 12258 15 0 1 Vodacom Internet Company 15808 14 0 1 Communication Solutions Ltd i 8346 13 0 1 SONATEL-AS Autonomous System 17148 13 0 1 First National Bank Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1297 1296 UUNET Technologies, Inc. 1221 999 998 Telstra Pty Ltd 1239 953 951 Sprint 3356 890 889 Level 3 Communications, LLC 209 743 742 Qwest 4323 711 710 Time Warner Communications, I 18566 697 696 Covad Communications 6197 687 686 BellSouth Network Solutions, 4134 683 679 Data Communications Bureau 702 668 667 UUNET - Commercial IP service 20115 595 594 Charter Communications 6198 555 554 BellSouth Network Solutions, 852 511 510 Telus Advanced Communications 7843 488 487 Adelphia Corp. 7132 482 481 Southwestern Bell Internet Se 4766 454 453 Korea Internet Exchange for " 9583 441 440 Satyam Infoway Ltd., 2386 432 431 AT&T Data Communications Serv 27364 404 403 Armstrong Cable Services 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 23809 UNALLOCATED 203.14.8.16/24 4725 Japan Telecom Co., L 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 /16:9 /17:8 /18:25 /19:21 /20:24 /21:235 /22:56 /23:450 /24:133623 /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 677 697 Covad Communications 1 30 106 GENUITY 4755 20 363 Videsh Sanchar Nigam Ltd. Aut 1659 19 103 Tiawan Academic Network (TANe 3758 11 48 SingNet 2647 3 79 SITA 2828 3 122 XO Communications 7474 3 352 Optus Communications Pty Ltd 16059 3 3 CODIX AS 2914 2 270 Verio, Inc. 4134 2 683 Data Communications Bureau 4816 2 2 China Telecom (Group) 9809 2 12 New Era Foundation System Co. 17676 2 308 XTAGE CORPORATION 21152 2 29 AS for the uplinks of Soficom 26259 2 2 Eduro Technologies, Inc. 1239 1 953 Sprint 4628 1 51 Pacific Internet Pte Ltd 6001 1 6 HQ USASC - USANETA 7381 1 13 Sungard Recovery Services, In Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:3 62:2 63:1 64:2 65:3 69:1 192:9 193:1 198:1 202:45 203:2422 205:1 207:3 209:9 210:17 213:2 216:15 218:1 219:12 End of report