Routing Table Report 04:00 +10GMT Wed 31 Dec, 2003 Analysis Summary ---------------- BGP routing table entries examined: 129492 Prefixes after maximum aggregation: 16422 Unique aggregates announced to Internet: 229 Total ASes present in the Internet Routing Table: 16301 Origin-only ASes present in the Internet Routing Table: 14141 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: 69 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 32 Illegal AS announcements present in the Routing Table: 19 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 634625 Equivalent to 0 /8s, 9 /16s and 175 /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: 816 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24229 Total APNIC prefixes after maximum aggregation: 2069 Prefixes being announced from the APNIC address blocks: 128643 Unique aggregates announced from the APNIC address blocks: 159 APNIC Region origin ASes present in the Internet Routing Table: 1958 APNIC Region origin ASes announcing only one prefix: 589 APNIC Region transit ASes present in the Internet Routing Table: 318 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 481025 Equivalent to 0 /8s, 7 /16s and 87 /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: 75606 Total ARIN prefixes after maximum aggregation: 8827 Prefixes being announced from the ARIN address blocks: 810 Unique aggregates announced from the ARIN address blocks: 64 ARIN Region origin ASes present in the Internet Routing Table: 8764 ARIN Region origin ASes announcing only one prefix: 3069 ARIN Region transit ASes present in the Internet Routing Table: 855 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 55296 Equivalent to 0 /8s, 0 /16s and 216 /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: 23044 Total RIPE prefixes after maximum aggregation: 5072 Prefixes being announced from the RIPE address blocks: 16 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 5067 RIPE Region origin ASes announcing only one prefix: 2722 RIPE Region transit ASes present in the Internet Routing Table: 877 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5439 Total LACNIC prefixes after maximum aggregation: 361 Prefixes being announced from the LACNIC address blocks: 1 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 361 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: 7.1 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: 1145 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: 7.0 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 1044 0 1 Telstra Pty Ltd 4134 708 0 1 Data Communications Bureau 2907 364 0 1 SINET Japan 9443 345 0 2 Primus Telecommunications 4755 343 20 64 Videsh Sanchar Nigam Ltd. Aut 7474 342 0 2 Optus Communications Pty Ltd 703 340 0 2 UUNET 4766 336 0 1 Korea Internet Exchange for " 17557 310 0 1 Pakistan Telecom 2764 294 0 1 connect.com.au pty ltd 17676 292 1 3 XTAGE CORPORATION 9583 272 0 1 Satyam Infoway Ltd., 4538 250 0 1 China Education and Research 9800 212 0 1 CHINA UNICOM 9942 206 0 5 COMindico Australia 9929 204 0 1 China Netcom Corp. 3786 174 0 1 DACOM Corporation 9498 174 0 1 BHARTI BT INTERNET LTD. 17642 152 0 2 RequestDSL BGP AS# for Sydney 4837 149 0 1 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1395 0 1 AT&T 701 1386 0 1 UUNET Technologies, Inc. 1239 957 0 1 Sprint 6197 822 0 1 BellSouth Network Solutions, 18566 734 0 1 Covad Communications 209 729 0 1 Qwest 3356 729 0 1 Level 3 Communications, LLC 4323 676 0 1 Time Warner Communications, I 20115 580 0 1 Charter Communications 6198 568 0 1 BellSouth Network Solutions, 7843 508 0 1 Adelphia Corp. 852 502 0 1 Telus Advanced Communications 7132 450 0 1 Southwestern Bell Internet Se 19029 405 0 1 New Edge Networks 2386 404 0 1 AT&T Data Communications Serv 690 400 0 1 Merit Network 705 382 0 1 UUNET Technologies, Inc. 27364 381 0 1 Armstrong Cable Services 4355 380 0 1 EarthLink, Inc. 3549 335 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 694 0 1 UUNET - Commercial IP service 3301 297 0 1 TeliaNet Sweden 3320 279 0 1 Deutsche Telekom AG 8220 267 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 786 174 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 351 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 175 0 1 Telecom Argentina Stet-France 16814 156 0 1 NSS, S.A. 6505 135 0 1 Global One Communicaoes Ltda 10620 134 0 1 TVCABLE BOGOTA 6503 128 0 1 AVANTEL, S.A. 6147 123 0 1 Telefonica Del Peru 8065 77 0 1 Empresas Publicas de Medellin 15311 77 0 1 Telefonica Empresas 6535 76 0 1 Chilesat Servicios Empresari 4270 71 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 58 0 1 Fundacao de Amparo a Pesquisa 5639 58 0 1 Telecommunications Services o AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 0 1 The Internet Solution 5536 101 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 90 0 1 The Internetworking Company o 2561 55 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 2609 12 0 1 Tunisia BackBone AS 8346 12 0 1 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1386 1385 UUNET Technologies, Inc. 1221 1044 1043 Telstra Pty Ltd 1239 957 956 Sprint 6197 822 821 BellSouth Network Solutions, 18566 734 733 Covad Communications 209 729 728 Qwest 3356 729 728 Level 3 Communications, LLC 4134 708 707 Data Communications Bureau 702 694 693 UUNET - Commercial IP service 4323 676 675 Time Warner Communications, I 20115 580 579 Charter Communications 6198 568 567 BellSouth Network Solutions, 7843 508 507 Adelphia Corp. 852 502 501 Telus Advanced Communications 7132 450 449 Southwestern Bell Internet Se 19029 405 404 New Edge Networks 2386 404 403 AT&T Data Communications Serv 690 400 399 Merit Network 705 382 381 UUNET Technologies, Inc. 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, 31795 UNALLOCATED 203.14.8.16/24 7132 Southwestern Bell In 31758 UNALLOCATED 203.14.8.16/24 23342 UnitedLayer, Inc. 31780 UNALLOCATED 203.14.8.16/24 701 UUNET Technologies, 31752 UNALLOCATED 203.14.8.16/24 23184 Persona Communicatio 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 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, 31779 UNALLOCATED 203.14.8.16/24 701 UUNET Technologies, 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 /16:2 /17:10 /18:22 /19:11 /20:11 /21:244 /22:34 /23:515 /24:128637 /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 15 343 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 7474 4 342 Optus Communications Pty Ltd 703 3 340 UUNET 9801 3 19 Capital network, LTD 2914 2 266 Verio, Inc. 4134 2 708 Data Communications Bureau 17676 2 292 XTAGE CORPORATION 4628 1 52 Pacific Internet Pte Ltd 5532 1 10 Terranet Communications Limit 7381 1 13 Sungard Recovery Services, In 7911 1 19 Williams Communications Group 7991 1 4 Savvis Communications 9506 1 26 Magix Broadband Network 14390 1 43 Core Communications, Inc 16327 1 1 SWISSFIRST BANK 18387 1 2 INFOCOM technologies, The Int 23059 1 5 Limelight Networks Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:2 64:2 69:1 148:1 192:5 193:1 198:9 202:32 203:62989 204:10 205:1 206:4 207:4 208:1 209:10 210:1 216:20 219:8 End of report