Routing Table Report 04:00 +10GMT Mon 22 Dec, 2003 Analysis Summary ---------------- BGP routing table entries examined: 129138 Prefixes after maximum aggregation: 16382 Unique aggregates announced to Internet: 235 Total ASes present in the Internet Routing Table: 16262 Origin-only ASes present in the Internet Routing Table: 14115 Origin ASes announcing only one prefix: 6484 Transit ASes present in the Internet Routing Table: 2147 Transit-only ASes present in the Internet Routing Table: 66 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: 15 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 705793 Equivalent to 0 /8s, 10 /16s and 197 /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: 830 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23973 Total APNIC prefixes after maximum aggregation: 2063 Prefixes being announced from the APNIC address blocks: 128265 Unique aggregates announced from the APNIC address blocks: 158 APNIC Region origin ASes present in the Internet Routing Table: 1948 APNIC Region origin ASes announcing only one prefix: 587 APNIC Region transit ASes present in the Internet Routing Table: 314 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 498177 Equivalent to 0 /8s, 7 /16s and 154 /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: 75573 Total ARIN prefixes after maximum aggregation: 8822 Prefixes being announced from the ARIN address blocks: 824 Unique aggregates announced from the ARIN address blocks: 66 ARIN Region origin ASes present in the Internet Routing Table: 8761 ARIN Region origin ASes announcing only one prefix: 3066 ARIN Region transit ASes present in the Internet Routing Table: 853 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 67840 Equivalent to 0 /8s, 1 /16s and 9 /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: 22985 Total RIPE prefixes after maximum aggregation: 5041 Prefixes being announced from the RIPE address blocks: 21 Unique aggregates announced from the RIPE address blocks: 11 RIPE Region origin ASes present in the Internet Routing Table: 5039 RIPE Region origin ASes announcing only one prefix: 2696 RIPE Region transit ASes present in the Internet Routing Table: 871 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 139776 Equivalent to 0 /8s, 2 /16s and 34 /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: 5446 Total LACNIC prefixes after maximum aggregation: 362 Prefixes being announced from the LACNIC address blocks: 2 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: 106 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: 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: 1135 Total AfriNIC prefixes after maximum aggregation: 94 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: 94 AfriNIC Region origin ASes announcing only one prefix: 29 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 1060 0 1 Telstra Pty Ltd 4134 731 0 1 Data Communications Bureau 2907 356 0 1 SINET Japan 9443 346 0 2 Primus Telecommunications 4755 342 20 64 Videsh Sanchar Nigam Ltd. Aut 7474 340 0 2 Optus Communications Pty Ltd 703 338 0 2 UUNET 17557 309 0 1 Pakistan Telecom 2764 295 0 1 connect.com.au pty ltd 17676 291 1 3 XTAGE CORPORATION 4766 265 0 1 Korea Internet Exchange for " 9583 262 0 1 Satyam Infoway Ltd., 4538 249 0 1 China Education and Research 3786 234 0 1 DACOM Corporation 9800 211 0 1 CHINA UNICOM 9929 201 0 2 China Netcom Corp. 9942 200 0 4 COMindico Australia 9498 174 0 1 BHARTI BT INTERNET LTD. 17642 152 0 2 RequestDSL BGP AS# for Sydney 4837 148 0 1 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1401 0 1 AT&T 701 1395 0 1 UUNET Technologies, Inc. 1239 955 0 1 Sprint 6197 821 0 1 BellSouth Network Solutions, 209 736 0 1 Qwest 18566 733 0 1 Covad Communications 3356 725 0 1 Level 3 Communications, LLC 4323 677 0 1 Time Warner Communications, I 20115 580 0 1 Charter Communications 6198 566 0 1 BellSouth Network Solutions, 7843 507 4 3 Adelphia Corp. 852 503 0 1 Telus Advanced Communications 7132 450 0 1 Southwestern Bell Internet Se 19029 414 0 1 New Edge Networks 2386 403 0 1 AT&T Data Communications Serv 690 400 0 1 Merit Network 27364 381 0 1 Armstrong Cable Services 4355 380 0 1 EarthLink, Inc. 705 379 0 1 UUNET Technologies, Inc. 3549 332 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 697 0 1 UUNET - Commercial IP service 3301 298 0 1 TeliaNet Sweden 3320 278 0 1 Deutsche Telekom AG 8220 265 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. 3303 143 0 1 Swisscom Ltd 3215 139 0 1 France Telecom Transpac 5400 138 0 1 BT Ignite European Backbone 12302 125 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 242 0 1 UniNet S.A. de C.V. 11172 191 0 1 Servicios Alestra S.A de C.V 7303 171 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 126 0 1 AVANTEL, S.A. 6147 124 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 75 0 1 AT&T Chile Internet S.A. 11992 72 0 1 Integrated Systems 4270 71 0 1 Red de Interconexion Universi 11311 67 0 1 Sinectis S.A. 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 2018 94 0 1 Tertiary Education Network 2905 90 0 1 The Internetworking Company o 5536 89 0 1 Internet Egypt Network 2561 57 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 1395 1394 UUNET Technologies, Inc. 1221 1060 1059 Telstra Pty Ltd 1239 955 954 Sprint 6197 821 820 BellSouth Network Solutions, 209 736 735 Qwest 18566 733 732 Covad Communications 4134 731 730 Data Communications Bureau 3356 725 724 Level 3 Communications, LLC 702 697 696 UUNET - Commercial IP service 4323 677 676 Time Warner Communications, I 20115 580 579 Charter Communications 6198 566 565 BellSouth Network Solutions, 7843 507 504 Adelphia Corp. 852 503 502 Telus Advanced Communications 7132 450 449 Southwestern Bell Internet Se 19029 414 413 New Edge Networks 2386 403 402 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 31766 UNALLOCATED 203.14.8.16/24 6395 Broadwing Communicat 31758 UNALLOCATED 203.14.8.16/24 23342 UnitedLayer, Inc. 31752 UNALLOCATED 203.14.8.16/24 23184 Persona Communicatio 65500 PRIVATE 203.14.8.16/24 4761 INDOSATNET-ASN 64512 PRIVATE 204.70.1.0/24 3561 Cable & Wireless USA 64512 PRIVATE 204.70.2.0/24 3561 Cable & Wireless USA 64512 PRIVATE 204.70.3.0/24 3561 Cable & Wireless USA 64512 PRIVATE 204.70.4.0/24 3561 Cable & Wireless USA 64512 PRIVATE 204.70.5.0/24 3561 Cable & Wireless USA 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 31776 UNALLOCATED 203.14.8.16/24 6395 Broadwing Communicat 31766 UNALLOCATED 203.14.8.16/24 6395 Broadwing Communicat 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 /15:0 /16:4 /17:10 /18:27 /19:17 /20:11 /21:246 /22:33 /23:519 /24:128267 /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 723 733 Covad Communications 1 38 226 GENUITY 4755 15 342 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 6316 10 43 StarNet, Inc. 7474 4 340 Optus Communications Pty Ltd 2647 3 79 SITA 2914 2 268 Verio, Inc. 6774 2 11 BELGACOM 6886 2 2 INTS Network Centre 17676 2 291 XTAGE CORPORATION 2561 1 57 Egyptian Universities Network 4249 1 15 Eli Lilly and Company 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 8881 1 14 KomTel routing policies 9506 1 26 Magix Broadband Network 9929 1 201 China Netcom Corp. Number of /24s announced per /8 block (Global) ---------------------------------------------- 40:1 61:2 64:2 66:1 69:1 148:1 192:5 193:1 195:1 198:9 200:1 202:32 203:62622 204:5 205:1 206:2 207:3 209:10 210:1 216:22 219:8 End of report