Routing Table Report 04:00 +10GMT Sat 29 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 138091 Prefixes after maximum aggregation: 17366 Unique aggregates announced to Internet: 240 Total ASes present in the Internet Routing Table: 17257 Origin-only ASes present in the Internet Routing Table: 14961 Origin ASes announcing only one prefix: 6961 Transit ASes present in the Internet Routing Table: 2296 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 6.6 Max AS path length visible: 27 Illegal AS announcements present in the Routing Table: 15 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 865025 Equivalent to 0 /8s, 13 /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: 60.9 Total number of prefixes smaller than registry allocations: 91 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26419 Total APNIC prefixes after maximum aggregation: 2172 Prefixes being announced from the APNIC address blocks: 137977 Unique aggregates announced from the APNIC address blocks: 190 APNIC Region origin ASes present in the Internet Routing Table: 2039 APNIC Region origin ASes announcing only one prefix: 617 APNIC Region transit ASes present in the Internet Routing Table: 331 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 681473 Equivalent to 0 /8s, 10 /16s and 102 /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 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 79203 Total ARIN prefixes after maximum aggregation: 9237 Prefixes being announced from the ARIN address blocks: 74 Unique aggregates announced from the ARIN address blocks: 41 ARIN Region origin ASes present in the Internet Routing Table: 9194 ARIN Region origin ASes announcing only one prefix: 3261 ARIN Region transit ASes present in the Internet Routing Table: 913 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 19712 Equivalent to 0 /8s, 0 /16s and 77 /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: 25317 Total RIPE prefixes after maximum aggregation: 5493 Prefixes being announced from the RIPE address blocks: 22 Unique aggregates announced from the RIPE address blocks: 9 RIPE Region origin ASes present in the Internet Routing Table: 5489 RIPE Region origin ASes announcing only one prefix: 2956 RIPE Region transit ASes present in the Internet Routing Table: 937 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 163840 Equivalent to 0 /8s, 2 /16s and 128 /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, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5986 Total LACNIC prefixes after maximum aggregation: 373 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: 373 LACNIC Region origin ASes announcing only one prefix: 106 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: 1148 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: 21 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 989 0 1 Telstra Pty Ltd 4134 727 32 4 Data Communications Bureau 4766 475 0 1 Korea Internet Exchange for " 9583 404 0 1 Satyam Infoway Ltd., 4755 362 11 53 Videsh Sanchar Nigam Ltd. Aut 9443 357 0 2 Primus Telecommunications 2907 353 0 1 SINET Japan 7474 346 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 9929 338 0 1 China Netcom Corp. 703 328 0 2 UUNET 17557 328 0 1 Pakistan Telecom 2764 298 0 1 connect.com.au pty ltd 9800 224 0 1 CHINA UNICOM 9498 220 0 2 BHARTI BT INTERNET LTD. 9942 204 2 6 COMindico Australia 9304 184 0 1 Hutchison Telecom (HK) 4837 181 0 1 chinanet IDC center beijing n 10036 180 0 1 C&M Communication Co. Ltd. 17974 180 0 1 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1425 0 1 AT&T 701 1291 0 1 UUNET Technologies, Inc. 1239 943 0 1 Sprint 3356 894 0 1 Level 3 Communications, LLC 209 741 0 1 Qwest 4323 730 0 1 Time Warner Communications, I 18566 706 0 1 Covad Communications 6197 705 0 1 BellSouth Network Solutions, 6198 557 0 1 BellSouth Network Solutions, 721 556 0 1 DLA Systems Automation Center 20115 551 0 1 Charter Communications 852 514 0 1 Telus Advanced Communications 7843 505 0 1 Adelphia Corp. 7132 449 0 1 Southwestern Bell Internet Se 2386 426 0 1 AT&T Data Communications Serv 6347 405 0 1 SAVVIS Communications Corpora 705 404 0 1 UUNET Technologies, Inc. 22909 390 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 5668 380 0 1 Century Telephone RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 649 0 1 UUNET - Commercial IP service 3320 295 0 1 Deutsche Telekom AG 8220 273 0 1 COLT Internet - International 3301 272 0 1 TeliaNet Sweden 1257 248 0 1 SWIPnet Swedish IP Network 680 244 0 1 DFN-IP service G-WiN 13083 216 0 1 Mannesmann Datenverarbeitung 3246 206 0 1 Song Networks 5515 198 0 1 Sonera Solution Autonomous Sy 3215 177 0 1 France Telecom Transpac 25186 175 0 1 France Telecom Transpac's Tra 8708 174 0 1 Romania Data Systems S.A. 786 172 0 1 The JANET IP Service 6746 154 0 1 Dynamic Network Technologies, 5400 143 0 1 BT Ignite European Backbone 3269 137 0 1 TELECOM ITALIA 3303 132 0 1 Swisscom Ltd 12302 123 0 1 MobiFon S.A. 1273 122 0 1 Cable & Wireless Deutschland 8866 115 0 1 Bulgarian Telecommunication C LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 389 0 1 ImpSat 11172 356 0 1 Servicios Alestra S.A de C.V 8151 271 0 1 UniNet S.A. de C.V. 16814 203 0 1 NSS, S.A. 6147 160 0 1 Telefonica Del Peru 7303 140 0 1 Telecom Argentina Stet-France 6505 135 0 1 Global One Communicaoes Ltda 6503 128 0 1 AVANTEL, S.A. 11992 89 0 1 Integrated Systems 11556 87 0 1 Cable-Wireless Panama 6535 79 0 1 Chilesat Servicios Empresari 14420 77 0 1 ANDINATEL S.A. 15311 75 0 1 Telefonica Empresas 5639 72 0 1 Telecommunications Services o 4270 71 0 1 Red de Interconexion Universi 14535 70 0 1 Techtel S.A. 11311 69 0 1 Sinectis S.A. 14259 67 0 1 GTD Internet S.A. 10292 66 0 1 TELECOMMUNICATIONS OF JAMAICA 7080 64 0 1 Electronica y Comunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 254 0 1 The Internet Solution 5536 107 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 90 0 1 The Internetworking Company o 11845 37 0 1 Data Pro Business Online 24835 31 0 1 RAYA Telecom - Egypt 5713 26 0 1 Telkom SA Ltd 9129 25 0 1 UUNET Kenya 16637 25 0 1 Johnnic e-Ventures 6713 24 0 1 Itissalat Al-MAGHRIB 8524 24 0 1 AUCEGYPT Autonomous System 12455 24 0 1 Jambonet Autonomous system 14988 24 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 8346 13 0 1 SONATEL-AS Autonomous System 17148 13 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS 15808 12 0 1 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1291 1290 UUNET Technologies, Inc. 1221 989 988 Telstra Pty Ltd 1239 943 942 Sprint 3356 894 893 Level 3 Communications, LLC 209 741 740 Qwest 4323 730 729 Time Warner Communications, I 4134 727 723 Data Communications Bureau 18566 706 705 Covad Communications 6197 705 704 BellSouth Network Solutions, 702 649 648 UUNET - Commercial IP service 6198 557 556 BellSouth Network Solutions, 721 556 555 DLA Systems Automation Center 20115 551 550 Charter Communications 852 514 513 Telus Advanced Communications 7843 505 504 Adelphia Corp. 4766 475 474 Korea Internet Exchange for " 7132 449 448 Southwestern Bell Internet Se 2386 426 425 AT&T Data Communications Serv 6347 405 404 SAVVIS Communications Corpora List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64512 PRIVATE 203.14.8.16/24 10199 DishnetDSL Limited 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 65501 PRIVATE 203.14.8.16/24 14051 Roseville Telephone 65501 PRIVATE 203.14.8.16/24 14051 Roseville Telephone 32546 UNALLOCATED 203.14.8.16/24 10910 InterNAP Network Ser 65001 PRIVATE 203.14.8.16/24 8151 UniNet S.A. de C.V. 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 5555 UNALLOCATED 203.14.8.16/24 721 DLA Systems Automati 65001 PRIVATE 203.14.8.16/24 8151 UniNet S.A. de C.V. 65502 PRIVATE 203.14.8.16/24 7714 TelstraClear 18412 UNALLOCATED 203.14.8.16/24 9674 Far EastTone Telecom 65000 PRIVATE 203.14.8.16/24 10310 Yahoo! 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 /16:3 /17:9 /18:34 /19:18 /20:21 /21:18 /22:31 /23:20 /24:137932 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1 29 103 GENUITY 4755 12 362 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 7853 6 12 BlazeNet 7474 5 346 Optus Communications Pty Ltd 21576 4 7 Telentente, Inc. 2647 3 85 SITA 2828 3 120 XO Communications 2914 2 273 Verio, Inc. 4134 2 727 Data Communications Bureau 4816 2 2 China Telecom (Group) 16653 2 6 INETmax 17676 2 341 XTAGE CORPORATION 7381 1 16 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 9506 1 27 Magix Broadband Network 17860 1 7 WEBZEN 23352 1 24 Server Central Network 24000 1 1 MIMOS, Malaysia Internet Exch 24732 1 1 Gielda Papierow Wartosciowych Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 65:4 66:1 69:1 192:2 193:1 198:2 202:60 203:6746 205:1 207:4 209:9 216:13 218:2 219:11 End of report