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@lists.apnic.net If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 29 Nov, 2003 Analysis Summary ---------------- BGP routing table entries examined: 130661 Prefixes after maximum aggregation: 80578 Unique aggregates announced to Internet: 62595 Total ASes present in the Internet Routing Table: 16234 Origin-only ASes present in the Internet Routing Table: 14091 Origin ASes announcing only one prefix: 6463 Transit ASes present in the Internet Routing Table: 2143 Transit-only ASes present in the Internet Routing Table: 66 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 22 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: 13 Number of addresses announced to Internet: 1265043940 Equivalent to 75 /8s, 103 /16s and 9 /24s Percentage of available address space announced: 34.1 Percentage of allocated address space announced: 59.5 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 57765 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23775 Total APNIC prefixes after maximum aggregation: 12960 Prefixes being announced from the APNIC address blocks: 22184 Unique aggregates announced from the APNIC address blocks: 12582 APNIC Region origin ASes present in the Internet Routing Table: 1948 APNIC Region origin ASes announcing only one prefix: 579 APNIC Region transit ASes present in the Internet Routing Table: 312 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 131149312 Equivalent to 7 /8s, 209 /16s and 46 /24s Percentage of available APNIC address space announced: 70.7 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: 77186 Total ARIN prefixes after maximum aggregation: 47845 Prefixes being announced from the ARIN address blocks: 59845 Unique aggregates announced from the ARIN address blocks: 20706 ARIN Region origin ASes present in the Internet Routing Table: 8768 ARIN Region origin ASes announcing only one prefix: 3062 ARIN Region transit ASes present in the Internet Routing Table: 830 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 210583200 Equivalent to 12 /8s, 141 /16s and 62 /24s Percentage of available ARIN address space announced: 73.8 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: 23020 Total RIPE prefixes after maximum aggregation: 16863 Prefixes being announced from the RIPE address blocks: 19864 Unique aggregates announced from the RIPE address blocks: 13272 RIPE Region origin ASes present in the Internet Routing Table: 4993 RIPE Region origin ASes announcing only one prefix: 2686 RIPE Region transit ASes present in the Internet Routing Table: 886 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 142593152 Equivalent to 8 /8s, 127 /16s and 204 /24s Percentage of available RIPE address space announced: 65.4 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: 5561 Total LACNIC prefixes after maximum aggregation: 2206 Prefixes being announced from the LACNIC address blocks: 5057 Unique aggregates announced from the LACNIC address blocks: 3062 LACNIC Region origin ASes present in the Internet Routing Table: 364 LACNIC Region origin ASes announcing only one prefix: 108 LACNIC Region transit ASes present in the Internet Routing Table: 70 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 14 Number of LACNIC addresses announced to Internet: 13396992 Equivalent to 0 /8s, 204 /16s and 108 /24s Percentage of available LACNIC address space announced: 39.9 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1117 Total AfriNIC prefixes after maximum aggregation: 704 Prefixes being announced from the AfriNIC address blocks: 722 Unique aggregates announced from the AfriNIC address blocks: 555 AfriNIC Region origin ASes present in the Internet Routing Table: 95 AfriNIC Region origin ASes announcing only one prefix: 28 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1753088 Equivalent to 0 /8s, 26 /16s and 192 /24s Percentage of available AfriNIC address space announced: 10.4 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 959 1119 679 Telstra Pty Ltd 4134 407 2456 110 Data Communications Bureau 2907 369 1863 345 SINET Japan 4755 345 131 56 Videsh Sanchar Nigam Ltd. Aut 9443 336 71 81 Primus Telecommunications 703 322 356 255 UUNET 17557 300 21 153 Pakistan Telecom 17676 283 4188 33 XTAGE CORPORATION 2764 278 287 238 connect.com.au pty ltd 9583 267 44 11 Satyam Infoway Ltd., 4766 264 2896 191 Korea Internet Exchange for " 7474 262 306 213 Optus Communications Pty Ltd 4538 248 1778 22 China Education and Research 3786 234 773 203 DACOM Corporation 9929 217 165 38 China Netcom Corp. 9800 207 343 57 CHINA UNICOM 9942 205 68 118 COMindico Australia 9498 173 22 31 BHARTI BT INTERNET LTD. 17642 154 40 113 RequestDSL BGP AS# for Sydney 4739 143 60 132 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1429 8667 986 UUNET Technologies, Inc. 7018 1376 7002 951 AT&T 1239 951 3093 667 Sprint 209 861 3449 537 Qwest 6197 765 438 214 BellSouth Network Solutions, 18566 729 176 8 Covad Communications 3356 710 10890 563 Level 3 Communications, LLC 4323 675 608 203 Time Warner Communications, I 6198 612 374 226 BellSouth Network Solutions, 20115 572 316 328 Charter Communications 7843 524 502 123 Adelphia Corp. 852 519 1123 408 Telus Advanced Communications 7066 511 207 271 Virginia Polytechnic Institut 7132 446 7309 312 Southwestern Bell Internet Se 19029 424 174 279 New Edge Networks 2386 403 527 210 AT&T Data Communications Serv 690 400 58 270 Merit Network 4355 390 329 101 EarthLink, Inc. 705 385 196 240 UUNET Technologies, Inc. 376 359 359 114 Reseau Interordinateurs Scien RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 688 2091 570 UUNET - Commercial IP service 3301 303 1154 287 TeliaNet Sweden 3320 277 1988 230 Deutsche Telekom AG 8220 259 421 248 COLT Internet - International 1257 237 455 188 SWIPnet Swedish IP Network 680 232 2038 228 DFN-IP service G-WiN 13083 215 51 8 Mannesmann Datenverarbeitung 3246 186 440 184 Song Networks 786 175 1826 175 The JANET IP Service 5515 175 778 137 Sonera Solution Autonomous Sy 5400 174 174 139 BT Ignite European Backbone 3215 163 743 83 France Telecom Transpac 8708 163 111 157 Romania Data Systems S.A. 25186 159 181 112 France Telecom Transpac's Tra 3303 143 541 137 Swisscom Ltd 719 134 288 104 LANLINK autonomous system 12302 126 18 33 MobiFon S.A. 3269 120 943 65 TELECOM ITALIA 2856 118 1294 109 BTnet UK Regional network 6746 107 16 77 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 344 120 66 ImpSat 8151 234 351 126 UniNet S.A. de C.V. 11172 192 77 42 Servicios Alestra S.A de C.V 7303 183 43 24 Telecom Argentina Stet-France 16814 156 10 5 NSS, S.A. 6505 134 91 94 Global One Communicaoes Ltda 6503 128 205 92 AVANTEL, S.A. 6147 126 78 20 Telefonica Del Peru 10620 123 8 27 TVCABLE BOGOTA 11340 108 3 29 Red Universitaria Nacional 11992 85 24 31 Integrated Systems 15311 76 16 39 Telefonica Empresas 6535 75 5 18 Chilesat Servicios Empresari 8065 75 10 19 Empresas Publicas de Medellin 4270 71 18 9 Red de Interconexion Universi 11311 66 7 22 Sinectis S.A. 7080 64 4 1 Electronica y Comunicaciones 14420 62 4 21 ANDINATEL S.A. 27699 60 152 15 TELECOMUNICACOES DE SAO PAULO 4926 58 4 49 Telintar S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 250 632 219 The Internet Solution 2018 94 297 92 Tertiary Education Network 5536 88 7 23 Internet Egypt Network 2905 59 245 52 The Internetworking Company o 2561 55 6 3 Egyptian Universities Network 11845 35 9 10 Data Pro Business Online 11569 31 29 28 satellite data networks 16284 30 3 5 GST-N Autonomous System 9129 26 3 4 UUNET Kenya 16637 26 9 19 Johnnic e-Ventures 5713 24 93 22 Telkom SA Ltd 12455 23 4 2 Jambonet Autonomous system 6713 22 38 9 Itissalat Al-MAGHRIB 10798 18 1 12 Standard Bank of South Africa 8524 17 1 3 AUCEGYPT Autonomous System 3208 16 2 1 ARN Network 12258 15 3 10 Vodacom Internet Company 15706 15 2 5 Sudatel Internet Exchange Aut 17148 14 1 8 First National Bank 8346 12 6 12 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 729 721 Covad Communications 6197 765 551 BellSouth Network Solutions, 4323 675 472 Time Warner Communications, I 7018 1376 425 AT&T 7843 524 401 Adelphia Corp. 6198 612 386 BellSouth Network Solutions, 27364 354 330 Armstrong Cable Services 209 861 324 Qwest 22909 317 306 Comcast Cable Corporation 4134 407 297 Data Communications Bureau 5668 312 293 Century Telephone 4355 390 289 EarthLink, Inc. 4755 345 289 Videsh Sanchar Nigam Ltd. Aut 22773 312 285 Cox Communications, Inc. Atla 1239 951 284 Sprint 1221 959 280 Telstra Pty Ltd 6140 344 278 ImpSat 9583 267 256 Satyam Infoway Ltd., 9443 336 255 Primus Telecommunications 6347 332 253 SAVVIS Communications Corpora List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica 64512 PRIVATE 131.95.1.240/28 16430 University of Southe 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 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 /8:19 /9:4 /10:6 /11:14 /12:57 /13:99 /14:276 /15:482 /16:7505 /17:1818 /18:3324 /19:8691 /20:9166 /21:6653 /22:9377 /23:10940 /24:71477 /25:182 /26:232 /27:155 /28:72 /29:21 /30:50 /31:0 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 723 729 Covad Communications 6197 619 765 BellSouth Network Solutions, 7018 503 1376 AT&T 6198 473 612 BellSouth Network Solutions, 701 435 1429 UUNET Technologies, Inc. 702 415 688 UUNET - Commercial IP service 7066 403 511 Virginia Polytechnic Institut 3356 363 710 Level 3 Communications, LLC 690 361 400 Merit Network 20115 357 572 Charter Communications 27364 348 354 Armstrong Cable Services 1239 331 951 Sprint 209 295 861 Qwest 5668 278 312 Century Telephone 19029 274 424 New Edge Networks 25844 244 244 Skadden, Arps, Slate, Meagher 3320 219 277 Deutsche Telekom AG 4355 216 390 EarthLink, Inc. 6517 214 239 Yipes Communications, Inc. 14824 201 226 NewSouth Communications Corp. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:758 13:1 15:6 16:1 17:3 20:7 24:869 32:82 38:44 40:23 43:1 44:2 55:1 56:1 57:12 61:347 62:449 63:1834 64:1812 65:1805 66:2230 67:278 68:634 69:341 80:446 81:167 82:37 128:157 129:258 130:68 131:81 132:17 134:183 135:16 136:183 137:113 138:119 139:46 140:169 141:140 142:110 143:47 144:63 145:41 146:285 147:71 148:315 149:86 150:118 151:60 152:208 153:55 154:1 155:128 156:60 157:60 158:137 159:136 160:46 161:48 162:363 163:74 164:330 165:173 166:104 167:212 168:179 169:94 170:312 171:9 192:5483 193:2478 194:2007 195:1297 196:514 198:3630 199:2835 200:3030 201:3 202:4197 203:5337 204:2950 205:2028 206:2279 207:2636 208:2480 209:2816 210:963 211:420 212:876 213:961 214:23 215:24 216:3426 217:774 218:119 219:87 220:120 221:16 End of report