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Weekly Routing Table Report
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Routing Table Analysis
cscora at thyme.apnic.net
Fri Dec 5 19:12:46 CET 2003
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats at lists.apnic.net If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 06 Dec, 2003 Analysis Summary ---------------- BGP routing table entries examined: 107846 Prefixes after maximum aggregation: 68312 Unique aggregates announced to Internet: 51698 Total ASes present in the Internet Routing Table: 14250 Origin-only ASes present in the Internet Routing Table: 12314 Origin ASes announcing only one prefix: 5808 Transit ASes present in the Internet Routing Table: 1936 Transit-only ASes present in the Internet Routing Table: 197 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 19 Illegal AS announcements present in the Routing Table: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1079247812 Equivalent to 64 /8s, 84 /16s and 3 /24s Percentage of available address space announced: 29.1 Percentage of allocated address space announced: 50.8 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 42803 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 17275 Total APNIC prefixes after maximum aggregation: 9842 Prefixes being announced from the APNIC address blocks: 15665 Unique aggregates announced from the APNIC address blocks: 9803 APNIC Region origin ASes present in the Internet Routing Table: 1591 APNIC Region origin ASes announcing only one prefix: 548 APNIC Region transit ASes present in the Internet Routing Table: 278 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 39464448 Equivalent to 2 /8s, 90 /16s and 46 /24s Percentage of available APNIC address space announced: 21.3 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: 67451 Total ARIN prefixes after maximum aggregation: 42626 Prefixes being announced from the ARIN address blocks: 50102 Unique aggregates announced from the ARIN address blocks: 16732 ARIN Region origin ASes present in the Internet Routing Table: 8220 ARIN Region origin ASes announcing only one prefix: 3012 ARIN Region transit ASes present in the Internet Routing Table: 787 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 186504832 Equivalent to 11 /8s, 29 /16s and 214 /24s Percentage of available ARIN address space announced: 65.4 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: 16889 Total RIPE prefixes after maximum aggregation: 13117 Prefixes being announced from the RIPE address blocks: 13314 Unique aggregates announced from the RIPE address blocks: 9061 RIPE Region origin ASes present in the Internet Routing Table: 3798 RIPE Region origin ASes announcing only one prefix: 2113 RIPE Region transit ASes present in the Internet Routing Table: 758 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 97725056 Equivalent to 5 /8s, 211 /16s and 42 /24s Percentage of available RIPE address space announced: 44.8 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: 5303 Total LACNIC prefixes after maximum aggregation: 2103 Prefixes being announced from the LACNIC address blocks: 5094 Unique aggregates announced from the LACNIC address blocks: 3102 LACNIC Region origin ASes present in the Internet Routing Table: 364 LACNIC Region origin ASes announcing only one prefix: 106 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 13566208 Equivalent to 0 /8s, 207 /16s and 1 /24s Percentage of available LACNIC address space announced: 40.4 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 926 Total AfriNIC prefixes after maximum aggregation: 624 Prefixes being announced from the AfriNIC address blocks: 724 Unique aggregates announced from the AfriNIC address blocks: 556 AfriNIC Region origin ASes present in the Internet Routing Table: 80 AfriNIC Region origin ASes announcing only one prefix: 29 AfriNIC Region transit ASes present in the Internet Routing Table: 10 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1757184 Equivalent to 0 /8s, 26 /16s and 208 /24s Percentage of available AfriNIC address space announced: 10.5 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 923 1116 663 Telstra Pty Ltd 2907 359 1840 336 SINET Japan 703 315 301 250 UUNET 4755 309 98 58 Videsh Sanchar Nigam Ltd. Aut 17557 291 21 155 Pakistan Telecom 2764 269 224 237 connect.com.au pty ltd 7474 262 306 212 Optus Communications Pty Ltd 4134 212 791 50 Data Communications Bureau 9443 207 25 76 Primus Telecommunications 9942 173 52 121 COMindico Australia 9498 172 22 31 BHARTI BT INTERNET LTD. 17642 148 39 109 RequestDSL BGP AS# for Sydney 4739 140 60 130 Commerical Internet eXchange 7633 138 23 39 Software Technology Parks of 4766 134 436 88 Korea Internet Exchange for " 9238 124 8 27 TATA ISP 4795 113 16 45 INDOSATNET-ASN 17536 112 8 43 Prodidgy Telecommunications 4538 111 458 8 China Education and Research 4657 111 71 24 Starhub Internet, Singapore ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1350 8554 935 UUNET Technologies, Inc. 7018 1339 6973 932 AT&T 1239 886 3054 617 Sprint 209 805 3253 493 Qwest 18566 731 176 8 Covad Communications 6197 645 418 153 BellSouth Network Solutions, 3356 621 10656 494 Level 3 Communications, LLC 20115 556 317 325 Charter Communications 7843 519 497 117 Adelphia Corp. 4323 518 556 187 Time Warner Communications, I 7066 511 207 271 Virginia Polytechnic Institut 852 487 1024 389 Telus Advanced Communications 6198 473 328 179 BellSouth Network Solutions, 7132 437 7071 302 Southwestern Bell Internet Se 690 400 58 270 Merit Network 2386 382 525 205 AT&T Data Communications Serv 376 357 359 114 Reseau Interordinateurs Scien 27364 354 28 24 Armstrong Cable Services 705 345 184 216 UUNET Technologies, Inc. 19029 344 91 274 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 604 1750 513 UUNET - Commercial IP service 3301 292 940 277 TeliaNet Sweden 3320 266 1032 217 Deutsche Telekom AG 680 231 2022 227 DFN-IP service G-WiN 1257 221 345 176 SWIPnet Swedish IP Network 8220 216 261 210 COLT Internet - International 13083 215 51 8 Mannesmann Datenverarbeitung 786 173 1808 173 The JANET IP Service 5515 171 743 133 Sonera Solution Autonomous Sy 3246 162 351 160 Song Networks 25186 159 214 117 France Telecom Transpac's Tra 5400 139 139 124 BT Ignite European Backbone 3215 136 626 64 France Telecom Transpac 3303 135 472 128 Swisscom Ltd 719 131 272 102 LANLINK autonomous system 8708 131 104 127 Romania Data Systems S.A. 2856 105 936 97 BTnet UK Regional network 3269 90 738 49 TELECOM ITALIA 137 83 637 81 GARR Italian academic and res 3292 82 617 80 TDC Tele Danmark LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 346 120 66 ImpSat 8151 240 350 124 UniNet S.A. de C.V. 11172 195 77 43 Servicios Alestra S.A de C.V 7303 184 46 17 Telecom Argentina Stet-France 16814 156 10 5 NSS, S.A. 6503 127 204 93 AVANTEL, S.A. 6147 124 78 20 Telefonica Del Peru 11340 108 3 29 Red Universitaria Nacional 6505 90 83 57 Global One Communicaoes Ltda 10620 85 6 13 TVCABLE BOGOTA 11992 85 24 31 Integrated Systems 15311 76 16 39 Telefonica Empresas 6535 75 5 18 Chilesat Servicios Empresari 8065 73 10 17 Empresas Publicas de Medellin 4270 71 18 9 Red de Interconexion Universi 7080 64 4 1 Electronica y Comunicaciones 14420 62 4 21 ANDINATEL S.A. 27699 60 152 15 TELECOMUNICACOES DE SAO PAULO 1916 59 247 39 Fundacao de Amparo a Pesquisa 7738 58 202 13 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 632 218 The Internet Solution 2018 94 297 92 Tertiary Education Network 5536 66 6 13 Internet Egypt Network 2905 60 245 53 The Internetworking Company o 2561 57 6 3 Egyptian Universities Network 5713 24 93 22 Telkom SA Ltd 11569 24 27 21 satellite data networks 11845 24 5 9 Data Pro Business Online 9129 23 2 3 UUNET Kenya 16637 23 7 18 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 3208 17 2 1 ARN Network 6713 17 30 8 Itissalat Al-MAGHRIB 12258 15 3 10 Vodacom Internet Company 17148 14 1 8 First National Bank 6879 11 1 3 EUnet Egypt 2609 10 8 2 Tunisia BackBone AS 8346 10 2 10 SONATEL-AS Autonomous System 12455 10 2 1 Jambonet Autonomous system 10474 9 9 8 NetActive ISP Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 731 723 Covad Communications 6197 645 492 BellSouth Network Solutions, 7018 1339 407 AT&T 7843 519 402 Adelphia Corp. 4323 518 331 Time Warner Communications, I 27364 354 330 Armstrong Cable Services 209 805 312 Qwest 22909 317 305 Comcast Cable Corporation 6198 473 294 BellSouth Network Solutions, 22773 311 283 Cox Communications, Inc. Atla 6140 346 280 ImpSat 1239 886 269 Sprint 1221 923 260 Telstra Pty Ltd 4755 309 251 Videsh Sanchar Nigam Ltd. Aut 376 357 243 Reseau Interordinateurs Scien 25844 244 242 Skadden, Arps, Slate, Meagher 7066 511 240 Virginia Polytechnic Institut 4355 306 232 EarthLink, Inc. 20115 556 231 Charter Communications 14900 250 217 US LEC Corp List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64512 PRIVATE 131.95.1.240/28 16430 University of Southe Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 192.43.230.0/24 4738 South Australian Academic Res 192.44.0.0/19 702 UUNET - Commercial IP service 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 DISO-UNRRA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:3 /10:6 /11:12 /12:50 /13:77 /14:224 /15:387 /16:6611 /17:1276 /18:2285 /19:5620 /20:6805 /21:5459 /22:7635 /23:9381 /24:61468 /25:136 /26:156 /27:77 /28:59 /29:21 /30:50 /31:0 /32:30 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 725 731 Covad Communications 6197 511 645 BellSouth Network Solutions, 7018 464 1339 AT&T 7066 403 511 Virginia Polytechnic Institut 702 372 604 UUNET - Commercial IP service 701 366 1350 UUNET Technologies, Inc. 690 361 400 Merit Network 27364 348 354 Armstrong Cable Services 6198 341 473 BellSouth Network Solutions, 20115 339 556 Charter Communications 3356 307 621 Level 3 Communications, LLC 1239 292 886 Sprint 209 261 805 Qwest 25844 244 244 Skadden, Arps, Slate, Meagher 3320 217 266 Deutsche Telekom AG 19029 199 344 New Edge Networks 14654 191 195 Wayport 13083 188 215 Mannesmann Datenverarbeitung 6140 184 346 ImpSat 7843 183 519 Adelphia Corp. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:755 13:1 15:6 16:1 17:3 20:7 24:870 32:82 38:44 40:24 43:1 44:2 55:1 56:1 57:14 61:306 62:449 63:1847 64:1817 65:1817 66:2189 67:283 68:642 69:352 80:443 81:166 82:34 128:148 129:264 130:70 131:80 132:17 134:191 135:16 136:182 137:112 138:127 139:29 140:162 141:140 142:111 143:49 144:64 145:39 146:289 147:71 148:315 149:86 150:118 151:60 152:209 153:56 154:1 155:128 156:60 157:62 158:136 159:137 160:46 161:49 162:364 163:73 164:334 165:174 166:104 167:212 168:182 169:94 170:307 171:9 192:5492 193:2465 194:2006 195:1287 196:515 198:3633 199:2841 200:3044 201:2 202:4211 203:5355 204:2942 205:2018 206:2270 207:2618 208:2486 209:647 End of report
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