Routing Table Report 04:00 +10GMT Fri 14 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 136547 Prefixes after maximum aggregation: 17482 Unique aggregates announced to Internet: 542 Total ASes present in the Internet Routing Table: 17136 Origin-only ASes present in the Internet Routing Table: 14845 Origin ASes announcing only one prefix: 6931 Transit ASes present in the Internet Routing Table: 2291 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: 27 Illegal AS announcements present in the Routing Table: 11 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 911361 Equivalent to 0 /8s, 13 /16s and 232 /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: 1209 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26143 Total APNIC prefixes after maximum aggregation: 2165 Prefixes being announced from the APNIC address blocks: 135064 Unique aggregates announced from the APNIC address blocks: 187 APNIC Region origin ASes present in the Internet Routing Table: 2037 APNIC Region origin ASes announcing only one prefix: 621 APNIC Region transit ASes present in the Internet Routing Table: 332 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 584705 Equivalent to 0 /8s, 8 /16s and 236 /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: 78265 Total ARIN prefixes after maximum aggregation: 9410 Prefixes being announced from the ARIN address blocks: 1350 Unique aggregates announced from the ARIN address blocks: 348 ARIN Region origin ASes present in the Internet Routing Table: 9125 ARIN Region origin ASes announcing only one prefix: 3258 ARIN Region transit ASes present in the Internet Routing Table: 902 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 220160 Equivalent to 0 /8s, 3 /16s and 92 /24s Percentage of available ARIN address space announced: 0.1 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: 25138 Total RIPE prefixes after maximum aggregation: 5441 Prefixes being announced from the RIPE address blocks: 31 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 5437 RIPE Region origin ASes announcing only one prefix: 2924 RIPE Region transit ASes present in the Internet Routing Table: 944 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 106496 Equivalent to 0 /8s, 1 /16s and 160 /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: 5837 Total LACNIC prefixes after maximum aggregation: 374 Prefixes being announced from the LACNIC address blocks: 8 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: 105 LACNIC Region transit ASes present in the Internet Routing Table: 72 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: 1151 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: 23 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 760 32 4 Data Communications Bureau 4766 471 0 1 Korea Internet Exchange for " 9583 464 0 1 Satyam Infoway Ltd., 9443 357 0 2 Primus Telecommunications 4755 354 17 65 Videsh Sanchar Nigam Ltd. Aut 2907 353 0 1 SINET Japan 7474 348 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 9929 331 0 1 China Netcom Corp. 703 330 0 2 UUNET 17557 324 0 1 Pakistan Telecom 2764 298 0 1 connect.com.au pty ltd 9800 218 0 1 CHINA UNICOM 9942 201 0 5 COMindico Australia 9498 192 0 2 BHARTI BT INTERNET LTD. 9304 183 0 1 Hutchison Telecom (HK) 17974 179 0 1 PT TELEKOMUNIKASI INDONESIA 4837 176 0 1 chinanet IDC center beijing n 4804 174 0 1 Microplex PTY LTD ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1421 0 1 AT&T 701 1297 0 1 UUNET Technologies, Inc. 1239 948 0 3 Sprint 3549 920 46 234 Global Crossing 3356 900 0 1 Level 3 Communications, LLC 209 735 0 1 Qwest 4323 725 0 1 Time Warner Communications, I 18566 704 0 1 Covad Communications 6197 698 0 1 BellSouth Network Solutions, 6198 565 0 1 BellSouth Network Solutions, 20115 536 0 1 Charter Communications 852 511 0 1 Telus Advanced Communications 7843 496 0 1 Adelphia Corp. 7132 450 0 1 Southwestern Bell Internet Se 2386 425 0 1 AT&T Data Communications Serv 705 401 0 1 UUNET Technologies, Inc. 6347 401 0 1 SAVVIS Communications Corpora 22909 386 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 5668 377 0 1 Century Telephone RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 634 0 1 UUNET - Commercial IP service 3320 296 0 1 Deutsche Telekom AG 3301 270 0 1 TeliaNet Sweden 8220 269 0 1 COLT Internet - International 680 244 0 1 DFN-IP service G-WiN 1257 242 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 204 0 1 Song Networks 5515 201 0 1 Sonera Solution Autonomous Sy 3215 177 0 1 France Telecom Transpac 8708 174 0 1 Romania Data Systems S.A. 25186 174 0 1 France Telecom Transpac's Tra 786 173 0 1 The JANET IP Service 5400 151 0 1 BT Ignite European Backbone 6746 138 0 1 Dynamic Network Technologies, 3269 135 0 1 TELECOM ITALIA 3303 134 0 1 Swisscom Ltd 12302 121 0 1 MobiFon S.A. 1273 119 0 1 Cable & Wireless Deutschland 719 112 0 1 LANLINK autonomous system LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 384 0 1 ImpSat 8151 272 0 1 UniNet S.A. de C.V. 11172 211 0 1 Servicios Alestra S.A de C.V 16814 171 0 1 NSS, S.A. 6147 159 0 1 Telefonica Del Peru 7303 144 0 1 Telecom Argentina Stet-France 6505 134 0 1 Global One Communicaoes Ltda 6503 129 0 1 AVANTEL, S.A. 11556 88 0 1 Cable-Wireless Panama 11992 88 0 1 Integrated Systems 6535 78 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 5639 72 0 1 Telecommunications Services o 14420 72 0 1 ANDINATEL S.A. 4270 71 0 1 Red de Interconexion Universi 14535 71 0 1 Techtel S.A. 11311 69 0 1 Sinectis S.A. 14259 69 0 1 GTD Internet S.A. 10292 65 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 106 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 24835 31 0 1 RAYA Telecom - Egypt 9129 28 0 1 UUNET Kenya 5713 26 0 1 Telkom SA Ltd 6713 26 0 1 Itissalat Al-MAGHRIB 16637 25 0 1 Johnnic e-Ventures 12455 24 0 1 Jambonet Autonomous system 14988 24 0 1 Botswana Telecommunications C 8524 23 0 1 AUCEGYPT Autonomous System 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 14 0 1 SONATEL-AS Autonomous System 15808 13 0 1 Communication Solutions Ltd i 17148 13 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1297 1296 UUNET Technologies, Inc. 1221 989 988 Telstra Pty Ltd 1239 948 945 Sprint 3356 900 899 Level 3 Communications, LLC 4134 760 756 Data Communications Bureau 209 735 734 Qwest 4323 725 724 Time Warner Communications, I 18566 704 703 Covad Communications 6197 698 697 BellSouth Network Solutions, 3549 920 686 Global Crossing 702 634 633 UUNET - Commercial IP service 6198 565 564 BellSouth Network Solutions, 20115 536 535 Charter Communications 852 511 510 Telus Advanced Communications 7843 496 495 Adelphia Corp. 4766 471 470 Korea Internet Exchange for " 9583 464 463 Satyam Infoway Ltd., 7132 450 449 Southwestern Bell Internet Se 2386 425 424 AT&T Data Communications Serv 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 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 18412 UNALLOCATED 203.14.8.16/24 9674 Far EastTone Telecom 30306 UNALLOCATED 203.14.8.16/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 203.14.8.16/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 203.14.8.16/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 203.14.8.16/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 203.14.8.16/24 21242 Menasat - GDBC ,Glob 65500 PRIVATE 203.14.8.16/24 4795 INDOSATNET-ASN 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 /12:1 /13:1 /14:1 /15:0 /16:4 /17:6 /18:25 /19:14 /20:36 /21:257 /22:80 /23:491 /24:135627 /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 684 704 Covad Communications 3549 362 920 Global Crossing 5786 36 171 University of Puerto Rico 13890 31 35 SiteStream, Inc. 1 30 104 GENUITY 4755 18 354 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 7474 4 348 Optus Communications Pty Ltd 21576 4 7 Telentente, Inc. 2647 3 79 SITA 2828 3 120 XO Communications 2914 2 272 Verio, Inc. 4134 2 760 Data Communications Bureau 4816 2 2 China Telecom (Group) 17676 2 341 XTAGE CORPORATION 21776 2 3 Collins & Aikman Floorcoverin 23216 2 72 RAMtelecom Telecomunicaciones 4657 1 107 Starhub Internet, Singapore 6453 1 120 Teleglobe Inc. 7381 1 16 Sungard Recovery Services, In Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:2 61:4 64:139 65:5 67:14 69:3 136:36 146:32 192:3 195:18 198:1 199:1 200:5 202:37 203:3872 204:7 206:128 207:67 208:112 209:12 216:45 218:2 219:10 End of report