Routing Table Report 04:00 +10GMT Fri 23 Apr, 2004 Analysis Summary ---------------- BGP routing table entries examined: 135051 Prefixes after maximum aggregation: 17112 Unique aggregates announced to Internet: 260 Total ASes present in the Internet Routing Table: 16998 Origin-only ASes present in the Internet Routing Table: 14732 Origin ASes announcing only one prefix: 6839 Transit ASes present in the Internet Routing Table: 2266 Transit-only ASes present in the Internet Routing Table: 77 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: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 460289 Equivalent to 0 /8s, 7 /16s and 6 /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: 803 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25971 Total APNIC prefixes after maximum aggregation: 2157 Prefixes being announced from the APNIC address blocks: 134222 Unique aggregates announced from the APNIC address blocks: 207 APNIC Region origin ASes present in the Internet Routing Table: 2024 APNIC Region origin ASes announcing only one prefix: 618 APNIC Region transit ASes present in the Internet Routing Table: 329 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 325633 Equivalent to 0 /8s, 4 /16s and 248 /24s Percentage of available APNIC address space announced: 0.2 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: 77404 Total ARIN prefixes after maximum aggregation: 9120 Prefixes being announced from the ARIN address blocks: 760 Unique aggregates announced from the ARIN address blocks: 44 ARIN Region origin ASes present in the Internet Routing Table: 9067 ARIN Region origin ASes announcing only one prefix: 3225 ARIN Region transit ASes present in the Internet Routing Table: 894 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 25088 Equivalent to 0 /8s, 0 /16s and 98 /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: 24782 Total RIPE prefixes after maximum aggregation: 5377 Prefixes being announced from the RIPE address blocks: 15 Unique aggregates announced from the RIPE address blocks: 9 RIPE Region origin ASes present in the Internet Routing Table: 5372 RIPE Region origin ASes announcing only one prefix: 2872 RIPE Region transit ASes present in the Internet Routing Table: 932 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 109568 Equivalent to 0 /8s, 1 /16s and 172 /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: 5740 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: 367 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: 7.2 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: 1143 Total AfriNIC prefixes after maximum aggregation: 90 Prefixes being announced from the AfriNIC address blocks: 1 Unique aggregates announced from the AfriNIC address blocks: 0 AfriNIC Region origin ASes present in the Internet Routing Table: 90 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 7.0 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 992 0 1 Telstra Pty Ltd 4134 716 32 4 Data Communications Bureau 4766 459 0 1 Korea Internet Exchange for " 9583 438 0 1 Satyam Infoway Ltd., 4755 360 21 75 Videsh Sanchar Nigam Ltd. Aut 9443 359 0 2 Primus Telecommunications 2907 358 0 1 SINET Japan 7474 353 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 9929 339 0 1 China Netcom Corp. 703 336 0 2 UUNET 17557 320 0 1 Pakistan Telecom 2764 296 0 1 connect.com.au pty ltd 9800 217 0 1 CHINA UNICOM 9498 205 0 2 BHARTI BT INTERNET LTD. 9942 199 0 5 COMindico Australia 9304 181 0 1 Hutchison Telecom (HK) 4837 177 0 1 chinanet IDC center beijing n 4804 175 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 1406 0 1 AT&T 701 1295 0 1 UUNET Technologies, Inc. 1239 950 0 1 Sprint 3356 898 0 1 Level 3 Communications, LLC 209 760 0 1 Qwest 4323 720 0 1 Time Warner Communications, I 18566 699 0 1 Covad Communications 6197 689 0 1 BellSouth Network Solutions, 6198 561 0 1 BellSouth Network Solutions, 20115 550 0 1 Charter Communications 7843 541 0 1 Adelphia Corp. 852 512 0 1 Telus Advanced Communications 7132 450 0 1 Southwestern Bell Internet Se 2386 431 0 1 AT&T Data Communications Serv 27364 405 0 1 Armstrong Cable Services 22909 384 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 6347 377 0 1 SAVVIS Communications Corpora 5668 367 0 1 Century Telephone 19029 363 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 663 0 1 UUNET - Commercial IP service 3320 294 0 1 Deutsche Telekom AG 3301 267 0 1 TeliaNet Sweden 8220 266 0 1 COLT Internet - International 680 244 0 1 DFN-IP service G-WiN 1257 233 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 5515 201 0 1 Sonera Solution Autonomous Sy 3246 198 0 1 Song Networks 25186 176 0 1 France Telecom Transpac's Tra 786 175 0 1 The JANET IP Service 8708 174 0 1 Romania Data Systems S.A. 3215 167 0 1 France Telecom Transpac 5400 157 0 1 BT Ignite European Backbone 6746 136 0 1 Dynamic Network Technologies, 3303 135 0 1 Swisscom Ltd 3269 134 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 1273 118 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 380 0 1 ImpSat 8151 267 0 1 UniNet S.A. de C.V. 11172 205 0 1 Servicios Alestra S.A de C.V 16814 163 0 1 NSS, S.A. 6147 147 0 1 Telefonica Del Peru 7303 140 0 1 Telecom Argentina Stet-France 6503 134 0 1 AVANTEL, S.A. 6505 133 0 1 Global One Communicaoes Ltda 11992 90 0 1 Integrated Systems 11556 88 0 1 Cable-Wireless Panama 6535 79 0 1 Chilesat Servicios Empresari 14420 76 0 1 ANDINATEL S.A. 15311 75 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. 5639 65 0 1 Telecommunications Services o 7080 64 0 1 Electronica y Comunicaciones 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 32 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 16637 25 0 1 Johnnic e-Ventures 6713 24 0 1 Itissalat Al-MAGHRIB 8524 22 0 1 AUCEGYPT Autonomous System 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 2609 12 0 1 Tunisia BackBone AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1295 1294 UUNET Technologies, Inc. 1221 992 991 Telstra Pty Ltd 1239 950 949 Sprint 3356 898 897 Level 3 Communications, LLC 209 760 759 Qwest 4323 720 719 Time Warner Communications, I 4134 716 712 Data Communications Bureau 18566 699 698 Covad Communications 6197 689 688 BellSouth Network Solutions, 702 663 662 UUNET - Commercial IP service 6198 561 560 BellSouth Network Solutions, 20115 550 549 Charter Communications 7843 541 540 Adelphia Corp. 852 512 511 Telus Advanced Communications 4766 459 458 Korea Internet Exchange for " 7132 450 449 Southwestern Bell Internet Se 9583 438 437 Satyam Infoway Ltd., 2386 431 430 AT&T Data Communications Serv 27364 405 404 Armstrong Cable Services List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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 /16:12 /17:5 /18:12 /19:13 /20:21 /21:236 /22:58 /23:453 /24:134238 /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 679 699 Covad Communications 1 30 104 GENUITY 1659 19 103 Tiawan Academic Network (TANe 4755 19 360 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 5786 5 167 University of Puerto Rico 21576 4 7 Telentente, Inc. 2647 3 79 SITA 2828 3 121 XO Communications 7474 3 353 Optus Communications Pty Ltd 2914 2 274 Verio, Inc. 4134 2 716 Data Communications Bureau 4816 2 2 China Telecom (Group) 13646 2 27 Cignal Global Communications, 14866 2 2 Telic Communications, Inc. 17676 2 341 XTAGE CORPORATION 29289 2 2 4Enet Corp. Moskovskaya str. 1790 1 127 SPRINT, Government Systems Di 1852 1 7 University of California, Off 1913 1 198 Defense Logistics Agency Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 64:5 65:5 66:1 69:1 80:1 136:5 144:1 192:15 194:1 198:1 202:31 203:3036 207:5 208:2 209:9 210:17 211:1 216:14 218:1 219:11 End of report