Routing Table Report 04:00 +10GMT Sat 01 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 135388 Prefixes after maximum aggregation: 17183 Unique aggregates announced to Internet: 245 Total ASes present in the Internet Routing Table: 17063 Origin-only ASes present in the Internet Routing Table: 14794 Origin ASes announcing only one prefix: 6875 Transit ASes present in the Internet Routing Table: 2269 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: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 804609 Equivalent to 0 /8s, 12 /16s and 71 /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: 135308 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25998 Total APNIC prefixes after maximum aggregation: 2160 Prefixes being announced from the APNIC address blocks: 134584 Unique aggregates announced from the APNIC address blocks: 194 APNIC Region origin ASes present in the Internet Routing Table: 2020 APNIC Region origin ASes announcing only one prefix: 613 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: 665089 Equivalent to 0 /8s, 10 /16s and 38 /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: 77535 Total ARIN prefixes after maximum aggregation: 9151 Prefixes being announced from the ARIN address blocks: 755 Unique aggregates announced from the ARIN address blocks: 41 ARIN Region origin ASes present in the Internet Routing Table: 9108 ARIN Region origin ASes announcing only one prefix: 3244 ARIN Region transit ASes present in the Internet Routing Table: 893 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 23552 Equivalent to 0 /8s, 0 /16s and 92 /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: 24961 Total RIPE prefixes after maximum aggregation: 5411 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: 5403 RIPE Region origin ASes announcing only one prefix: 2891 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: 115968 Equivalent to 0 /8s, 1 /16s and 197 /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: 5738 Total LACNIC prefixes after maximum aggregation: 369 Prefixes being announced from the LACNIC address blocks: 6 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 367 LACNIC Region origin ASes announcing only one prefix: 104 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: 1145 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: 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: 6.9 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 993 0 1 Telstra Pty Ltd 4134 760 32 4 Data Communications Bureau 4766 466 0 1 Korea Internet Exchange for " 9583 462 0 1 Satyam Infoway Ltd., 9443 359 0 2 Primus Telecommunications 2907 354 0 1 SINET Japan 7474 353 0 2 Optus Communications Pty Ltd 4755 351 21 72 Videsh Sanchar Nigam Ltd. Aut 17676 341 1 3 XTAGE CORPORATION 9929 335 0 1 China Netcom Corp. 703 334 0 2 UUNET 17557 322 0 1 Pakistan Telecom 2764 296 0 1 connect.com.au pty ltd 9800 218 0 1 CHINA UNICOM 9498 212 0 2 BHARTI BT INTERNET LTD. 9942 198 0 5 COMindico Australia 4837 180 0 1 chinanet IDC center beijing n 9304 180 0 1 Hutchison Telecom (HK) 4804 174 0 1 Microplex PTY LTD 7633 159 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1428 0 1 AT&T 701 1296 0 1 UUNET Technologies, Inc. 1239 945 0 1 Sprint 3356 897 0 1 Level 3 Communications, LLC 209 743 0 1 Qwest 4323 716 0 1 Time Warner Communications, I 18566 700 0 1 Covad Communications 6197 695 0 1 BellSouth Network Solutions, 6198 561 0 1 BellSouth Network Solutions, 852 512 0 1 Telus Advanced Communications 20115 507 0 1 Charter Communications 7843 501 0 1 Adelphia Corp. 7132 450 0 1 Southwestern Bell Internet Se 2386 422 0 1 AT&T Data Communications Serv 705 400 0 1 UUNET Technologies, Inc. 6347 393 0 1 SAVVIS Communications Corpora 27364 387 0 1 Armstrong Cable Services 22909 385 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 702 659 0 1 UUNET - Commercial IP service 3320 295 0 1 Deutsche Telekom AG 8220 268 0 1 COLT Internet - International 3301 267 0 1 TeliaNet Sweden 680 244 0 1 DFN-IP service G-WiN 1257 243 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 175 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 133 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 379 0 1 ImpSat 8151 264 0 1 UniNet S.A. de C.V. 11172 208 0 1 Servicios Alestra S.A de C.V 16814 164 0 1 NSS, S.A. 6147 152 0 1 Telefonica Del Peru 7303 141 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 79 0 1 Chilesat Servicios Empresari 14420 77 0 1 ANDINATEL S.A. 15311 74 0 1 Telefonica Empresas 4270 71 0 1 Red de Interconexion Universi 11311 70 0 1 Sinectis S.A. 14535 70 0 1 Techtel S.A. 14259 69 0 1 GTD Internet S.A. 7080 64 0 1 Electronica y Comunicaciones 10292 62 0 1 TELECOMMUNICATIONS OF JAMAICA 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 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 9129 31 0 1 UUNET Kenya 24835 31 0 1 RAYA Telecom - Egypt 5713 26 0 1 Telkom SA Ltd 12455 25 0 1 Jambonet Autonomous system 14988 25 0 1 Botswana Telecommunications C 16637 25 0 1 Johnnic e-Ventures 6713 24 0 1 Itissalat Al-MAGHRIB 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 3208 12 0 1 ARN Network Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1296 1295 UUNET Technologies, Inc. 1221 993 992 Telstra Pty Ltd 1239 945 944 Sprint 3356 897 896 Level 3 Communications, LLC 4134 760 756 Data Communications Bureau 209 743 742 Qwest 4323 716 715 Time Warner Communications, I 18566 700 699 Covad Communications 6197 695 694 BellSouth Network Solutions, 702 659 658 UUNET - Commercial IP service 6198 561 560 BellSouth Network Solutions, 852 512 511 Telus Advanced Communications 20115 507 506 Charter Communications 7843 501 500 Adelphia Corp. 4766 466 465 Korea Internet Exchange for " 9583 462 461 Satyam Infoway Ltd., 7132 450 449 Southwestern Bell Internet Se 2386 422 421 AT&T Data Communications Serv 705 400 399 UUNET Technologies, Inc. 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 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 /16:4 /17:7 /18:24 /19:15 /20:25 /21:238 /22:58 /23:451 /24:134562 /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 1427 1428 AT&T 701 1296 1296 UUNET Technologies, Inc. 1221 993 993 Telstra Pty Ltd 1239 945 945 Sprint 3356 897 897 Level 3 Communications, LLC 4134 758 760 Data Communications Bureau 209 743 743 Qwest 4323 716 716 Time Warner Communications, I 6197 695 695 BellSouth Network Solutions, 18566 690 700 Covad Communications 702 659 659 UUNET - Commercial IP service 6198 561 561 BellSouth Network Solutions, 852 512 512 Telus Advanced Communications 20115 507 507 Charter Communications 7843 501 501 Adelphia Corp. 4766 466 466 Korea Internet Exchange for " 9583 462 462 Satyam Infoway Ltd., 7132 450 450 Southwestern Bell Internet Se 2386 422 422 AT&T Data Communications Serv 705 400 400 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:4 63:1 64:2 65:4 66:1 69:1 136:4 192:3 193:1 198:1 200:4 202:33 203:3388 205:1 207:3 209:10 211:1 213:1 216:14 218:2 219:11 End of report