Routing Table Report 04:00 +10GMT Thu 06 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 135455 Prefixes after maximum aggregation: 17189 Unique aggregates announced to Internet: 261 Total ASes present in the Internet Routing Table: 17073 Origin-only ASes present in the Internet Routing Table: 14794 Origin ASes announcing only one prefix: 6878 Transit ASes present in the Internet Routing Table: 2279 Transit-only ASes present in the Internet Routing Table: 78 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: 5 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 841985 Equivalent to 0 /8s, 12 /16s and 217 /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: 135365 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26022 Total APNIC prefixes after maximum aggregation: 2164 Prefixes being announced from the APNIC address blocks: 134633 Unique aggregates announced from the APNIC address blocks: 196 APNIC Region origin ASes present in the Internet Routing Table: 2024 APNIC Region origin ASes announcing only one prefix: 614 APNIC Region transit ASes present in the Internet Routing Table: 328 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 649985 Equivalent to 0 /8s, 9 /16s and 235 /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: 77485 Total ARIN prefixes after maximum aggregation: 9154 Prefixes being announced from the ARIN address blocks: 761 Unique aggregates announced from the ARIN address blocks: 48 ARIN Region origin ASes present in the Internet Routing Table: 9104 ARIN Region origin ASes announcing only one prefix: 3243 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: 33792 Equivalent to 0 /8s, 0 /16s and 132 /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: 25009 Total RIPE prefixes after maximum aggregation: 5411 Prefixes being announced from the RIPE address blocks: 42 Unique aggregates announced from the RIPE address blocks: 17 RIPE Region origin ASes present in the Internet Routing Table: 5406 RIPE Region origin ASes announcing only one prefix: 2895 RIPE Region transit ASes present in the Internet Routing Table: 940 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 158208 Equivalent to 0 /8s, 2 /16s and 106 /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: 5787 Total LACNIC prefixes after maximum aggregation: 368 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: 368 LACNIC Region origin ASes announcing only one prefix: 102 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 7.1 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: 1141 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: 24 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 760 32 4 Data Communications Bureau 4766 467 0 1 Korea Internet Exchange for " 9583 465 0 1 Satyam Infoway Ltd., 9443 359 0 2 Primus Telecommunications 2907 355 0 1 SINET Japan 4755 351 21 72 Videsh Sanchar Nigam Ltd. Aut 7474 351 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 9929 335 0 1 China Netcom Corp. 703 332 0 2 UUNET 17557 323 0 1 Pakistan Telecom 2764 296 0 1 connect.com.au pty ltd 9800 218 0 1 CHINA UNICOM 9942 199 0 5 COMindico Australia 9498 197 0 2 BHARTI BT INTERNET LTD. 9304 183 0 1 Hutchison Telecom (HK) 4837 180 0 1 chinanet IDC center beijing n 4804 174 0 1 Microplex PTY LTD 7633 158 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1439 0 1 AT&T 701 1296 0 1 UUNET Technologies, Inc. 1239 944 0 1 Sprint 3356 896 0 1 Level 3 Communications, LLC 209 742 0 1 Qwest 4323 718 0 1 Time Warner Communications, I 18566 701 0 1 Covad Communications 6197 690 0 1 BellSouth Network Solutions, 6198 564 0 1 BellSouth Network Solutions, 20115 514 0 1 Charter Communications 852 511 0 1 Telus Advanced Communications 7843 502 0 1 Adelphia Corp. 7132 450 0 1 Southwestern Bell Internet Se 2386 422 0 1 AT&T Data Communications Serv 6347 401 0 1 SAVVIS Communications Corpora 705 397 0 1 UUNET Technologies, Inc. 22909 386 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 5668 378 0 1 Century Telephone 19029 366 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 658 0 1 UUNET - Commercial IP service 3320 295 0 1 Deutsche Telekom AG 3301 268 0 1 TeliaNet Sweden 8220 268 0 1 COLT Internet - International 680 244 0 1 DFN-IP service G-WiN 1257 241 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 5515 201 0 1 Sonera Solution Autonomous Sy 3246 200 0 1 Song Networks 25186 176 0 1 France Telecom Transpac's Tra 786 175 0 1 The JANET IP Service 3215 175 0 1 France Telecom Transpac 8708 174 0 1 Romania Data Systems S.A. 5400 154 0 1 BT Ignite European Backbone 6746 138 0 1 Dynamic Network Technologies, 3269 134 0 1 TELECOM ITALIA 3303 131 0 1 Swisscom Ltd 12302 122 0 1 MobiFon S.A. 1273 119 0 1 Cable & Wireless Deutschland 719 113 0 1 LANLINK autonomous system LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 381 0 1 ImpSat 8151 268 0 1 UniNet S.A. de C.V. 11172 210 0 1 Servicios Alestra S.A de C.V 16814 171 0 1 NSS, S.A. 6147 150 0 1 Telefonica Del Peru 7303 142 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6503 129 0 1 AVANTEL, S.A. 11992 89 0 1 Integrated Systems 11556 88 0 1 Cable-Wireless Panama 6535 80 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 14420 73 0 1 ANDINATEL S.A. 4270 71 0 1 Red de Interconexion Universi 14535 70 0 1 Techtel S.A. 11311 69 0 1 Sinectis S.A. 14259 69 0 1 GTD Internet S.A. 5639 65 0 1 Telecommunications Services o 7080 64 0 1 Electronica y Comunicaciones 10292 62 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 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 29 0 1 UUNET Kenya 5713 26 0 1 Telkom SA Ltd 16637 25 0 1 Johnnic e-Ventures 6713 24 0 1 Itissalat Al-MAGHRIB 12455 24 0 1 Jambonet Autonomous system 14988 24 0 1 Botswana Telecommunications C 8524 22 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 13 0 1 SONATEL-AS Autonomous System 17148 13 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS 20928 12 0 1 Noor Advanced Technologies AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1296 1295 UUNET Technologies, Inc. 1221 997 996 Telstra Pty Ltd 1239 944 943 Sprint 3356 896 895 Level 3 Communications, LLC 4134 760 756 Data Communications Bureau 209 742 741 Qwest 4323 718 717 Time Warner Communications, I 18566 701 700 Covad Communications 6197 690 689 BellSouth Network Solutions, 702 658 657 UUNET - Commercial IP service 6198 564 563 BellSouth Network Solutions, 20115 514 513 Charter Communications 852 511 510 Telus Advanced Communications 7843 502 501 Adelphia Corp. 4766 467 466 Korea Internet Exchange for " 9583 465 464 Satyam Infoway Ltd., 7132 450 449 Southwestern Bell Internet Se 2386 422 421 AT&T Data Communications Serv 6347 401 400 SAVVIS Communications Corpora List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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 5713 Telkom SA Ltd 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 /17:8 /18:28 /19:21 /20:25 /21:238 /22:57 /23:453 /24:134618 /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 7018 1439 1439 AT&T 701 1296 1296 UUNET Technologies, Inc. 1221 997 997 Telstra Pty Ltd 1239 944 944 Sprint 3356 896 896 Level 3 Communications, LLC 4134 758 760 Data Communications Bureau 209 742 742 Qwest 4323 718 718 Time Warner Communications, I 18566 691 701 Covad Communications 6197 690 690 BellSouth Network Solutions, 702 658 658 UUNET - Commercial IP service 6198 564 564 BellSouth Network Solutions, 20115 514 514 Charter Communications 852 511 511 Telus Advanced Communications 7843 502 502 Adelphia Corp. 4766 467 467 Korea Internet Exchange for " 9583 465 465 Satyam Infoway Ltd., 7132 450 450 Southwestern Bell Internet Se 2386 422 422 AT&T Data Communications Serv 6347 401 401 SAVVIS Communications Corpora Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:4 64:2 65:4 69:1 80:2 81:1 192:3 193:2 194:4 198:1 199:1 202:33 203:3441 206:1 207:3 208:4 209:10 211:1 213:2 216:14 218:2 219:10 End of report