Routing Table Report 04:00 +10GMT Sun 28 Dec, 2003 Analysis Summary ---------------- BGP routing table entries examined: 129134 Prefixes after maximum aggregation: 16401 Unique aggregates announced to Internet: 216 Total ASes present in the Internet Routing Table: 16292 Origin-only ASes present in the Internet Routing Table: 14132 Origin ASes announcing only one prefix: 6513 Transit ASes present in the Internet Routing Table: 2160 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 22 Illegal AS announcements present in the Routing Table: 18 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 620033 Equivalent to 0 /8s, 9 /16s and 118 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 814 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24041 Total APNIC prefixes after maximum aggregation: 2068 Prefixes being announced from the APNIC address blocks: 128292 Unique aggregates announced from the APNIC address blocks: 158 APNIC Region origin ASes present in the Internet Routing Table: 1951 APNIC Region origin ASes announcing only one prefix: 590 APNIC Region transit ASes present in the Internet Routing Table: 316 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 469761 Equivalent to 0 /8s, 7 /16s and 43 /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 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 75446 Total ARIN prefixes after maximum aggregation: 8819 Prefixes being announced from the ARIN address blocks: 797 Unique aggregates announced from the ARIN address blocks: 50 ARIN Region origin ASes present in the Internet Routing Table: 8767 ARIN Region origin ASes announcing only one prefix: 3070 ARIN Region transit ASes present in the Internet Routing Table: 858 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 19200 Equivalent to 0 /8s, 0 /16s and 75 /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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 23035 Total RIPE prefixes after maximum aggregation: 5061 Prefixes being announced from the RIPE address blocks: 15 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 5060 RIPE Region origin ASes announcing only one prefix: 2721 RIPE Region transit ASes present in the Internet Routing Table: 875 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 131072 Equivalent to 0 /8s, 2 /16s and 0 /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, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5436 Total LACNIC prefixes after maximum aggregation: 360 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: 360 LACNIC Region origin ASes announcing only one prefix: 104 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 7.1 Max LACNIC Region AS path length visible: 18 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: 93 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: 93 AfriNIC Region origin ASes announcing only one prefix: 28 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 7.1 Max AfriNIC Region AS path length visible: 19 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 1046 0 1 Telstra Pty Ltd 4134 708 0 1 Data Communications Bureau 2907 365 0 1 SINET Japan 9443 345 0 2 Primus Telecommunications 7474 341 0 2 Optus Communications Pty Ltd 703 340 0 2 UUNET 4755 340 20 64 Videsh Sanchar Nigam Ltd. Aut 17557 311 0 1 Pakistan Telecom 2764 294 0 1 connect.com.au pty ltd 17676 292 1 3 XTAGE CORPORATION 4766 282 0 1 Korea Internet Exchange for " 9583 272 0 1 Satyam Infoway Ltd., 4538 249 0 1 China Education and Research 3786 222 0 1 DACOM Corporation 9800 212 0 1 CHINA UNICOM 9942 206 0 5 COMindico Australia 9929 203 0 2 China Netcom Corp. 9498 173 0 1 BHARTI BT INTERNET LTD. 17642 152 0 2 RequestDSL BGP AS# for Sydney 4837 147 0 1 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1395 0 1 UUNET Technologies, Inc. 7018 1391 0 1 AT&T 1239 957 0 1 Sprint 6197 821 0 1 BellSouth Network Solutions, 18566 734 0 1 Covad Communications 209 732 0 1 Qwest 3356 725 0 1 Level 3 Communications, LLC 4323 677 0 1 Time Warner Communications, I 20115 580 0 1 Charter Communications 6198 568 0 1 BellSouth Network Solutions, 7843 505 0 1 Adelphia Corp. 852 504 0 1 Telus Advanced Communications 7132 450 0 1 Southwestern Bell Internet Se 19029 411 0 1 New Edge Networks 2386 406 0 1 AT&T Data Communications Serv 690 400 0 1 Merit Network 27364 381 0 1 Armstrong Cable Services 705 380 0 1 UUNET Technologies, Inc. 4355 380 0 1 EarthLink, Inc. 3549 333 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 696 0 1 UUNET - Commercial IP service 3301 297 0 1 TeliaNet Sweden 3320 279 0 1 Deutsche Telekom AG 8220 266 0 1 COLT Internet - International 1257 251 0 1 SWIPnet Swedish IP Network 680 229 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 3246 186 0 1 Song Networks 786 175 0 1 The JANET IP Service 5515 173 0 1 Sonera Solution Autonomous Sy 25186 168 0 1 France Telecom Transpac's Tra 8708 165 0 1 Romania Data Systems S.A. 3215 144 0 1 France Telecom Transpac 3303 143 0 1 Swisscom Ltd 5400 139 0 1 BT Ignite European Backbone 12302 126 0 1 MobiFon S.A. 3269 119 0 1 TELECOM ITALIA 2856 118 0 1 BTnet UK Regional network 719 114 0 1 LANLINK autonomous system 3352 102 0 1 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 350 0 1 ImpSat 8151 241 0 1 UniNet S.A. de C.V. 11172 194 0 1 Servicios Alestra S.A de C.V 7303 173 0 1 Telecom Argentina Stet-France 16814 156 0 1 NSS, S.A. 6505 135 0 1 Global One Communicaoes Ltda 10620 131 0 1 TVCABLE BOGOTA 6503 127 0 1 AVANTEL, S.A. 6147 123 0 1 Telefonica Del Peru 8065 77 0 1 Empresas Publicas de Medellin 6535 76 0 1 Chilesat Servicios Empresari 15311 76 0 1 Telefonica Empresas 6429 73 0 1 AT&T Chile Internet S.A. 4270 68 0 1 Red de Interconexion Universi 11311 66 0 1 Sinectis S.A. 11992 65 0 1 Integrated Systems 7080 64 0 1 Electronica y Comunicaciones 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 14420 61 0 1 ANDINATEL S.A. 1916 59 0 1 Fundacao de Amparo a Pesquisa AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 0 1 The Internet Solution 5536 103 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 90 0 1 The Internetworking Company o 2561 58 0 1 Egyptian Universities Network 11845 36 0 1 Data Pro Business Online 3208 33 0 1 ARN Network 16637 26 0 1 Johnnic e-Ventures 9129 25 0 1 UUNET Kenya 5713 24 0 1 Telkom SA Ltd 12455 24 0 1 Jambonet Autonomous system 24835 23 0 1 RAYA Telecom - Egypt 6713 22 0 1 Itissalat Al-MAGHRIB 10798 18 0 1 Standard Bank of South Africa 8524 17 0 1 AUCEGYPT Autonomous System 12258 15 0 1 Vodacom Internet Company 15706 15 0 1 Sudatel Internet Exchange Aut 17148 14 0 1 First National Bank 8346 12 0 1 SONATEL-AS Autonomous System 2609 11 0 1 Tunisia BackBone AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1391 1390 AT&T 1221 1046 1045 Telstra Pty Ltd 1239 957 956 Sprint 6197 821 820 BellSouth Network Solutions, 18566 734 733 Covad Communications 209 732 731 Qwest 3356 725 724 Level 3 Communications, LLC 4134 708 707 Data Communications Bureau 702 696 695 UUNET - Commercial IP service 4323 677 676 Time Warner Communications, I 20115 580 579 Charter Communications 6198 568 567 BellSouth Network Solutions, 7843 505 504 Adelphia Corp. 852 504 503 Telus Advanced Communications 7132 450 449 Southwestern Bell Internet Se 19029 411 410 New Edge Networks 2386 406 405 AT&T Data Communications Serv 690 400 399 Merit Network 27364 381 380 Armstrong Cable Services List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 31769 UNALLOCATED 203.14.8.16/24 7018 AT&T 31753 UNALLOCATED 203.14.8.16/24 10913 InterNAP Network Ser 31769 UNALLOCATED 203.14.8.16/24 701 UUNET Technologies, 31769 UNALLOCATED 203.14.8.16/24 7018 AT&T 31769 UNALLOCATED 203.14.8.16/24 701 UUNET Technologies, 31766 UNALLOCATED 203.14.8.16/24 4513 PFM Communications, 31758 UNALLOCATED 203.14.8.16/24 23342 UnitedLayer, Inc. 31780 UNALLOCATED 203.14.8.16/24 19406 Towerstream 31752 UNALLOCATED 203.14.8.16/24 23184 Persona Communicatio 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 65500 PRIVATE 203.14.8.16/24 4761 INDOSATNET-ASN 31763 UNALLOCATED 203.14.8.16/24 3593 EPIX 31763 UNALLOCATED 203.14.8.16/24 3593 EPIX 31763 UNALLOCATED 203.14.8.16/24 3593 EPIX 31757 UNALLOCATED 203.14.8.16/24 7132 Southwestern Bell In 31776 UNALLOCATED 203.14.8.16/24 6395 Broadwing Communicat 31766 UNALLOCATED 203.14.8.16/24 4513 PFM Communications, 31749 UNALLOCATED 203.14.8.16/24 2551 ICG NetAhead, Inc 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 /15:2 /16:5 /17:7 /18:25 /19:9 /20:6 /21:242 /22:31 /23:517 /24:128286 /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 724 734 Covad Communications 1 38 225 GENUITY 4755 15 340 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 15799 5 6 Ciba Speciialty Chemicals 400 7474 4 341 Optus Communications Pty Ltd 2914 2 267 Verio, Inc. 17676 2 292 XTAGE CORPORATION 1239 1 957 Sprint 4628 1 52 Pacific Internet Pte Ltd 7381 1 13 Sungard Recovery Services, In 7911 1 19 Williams Communications Group 7991 1 4 Savvis Communications 9167 1 12 WEBPARTNER A/S is a Danish In 9506 1 26 Magix Broadband Network 9929 1 203 China Netcom Corp. 14390 1 43 Core Communications, Inc 18387 1 2 INFOCOM technologies, The Int 21541 1 1 Commerce Care, Inc. 26904 1 2 NECTARTECH SERVICES Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:2 63:1 64:2 69:1 128:5 148:1 157:1 192:7 193:1 198:9 202:39 203:62635 205:1 206:2 207:3 208:1 209:10 210:1 216:20 219:8 End of report