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 For a graphical representation, please see http://www.apnic.net/stats/bgp. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 20:00 +10GMT Fri 20 Sep, 2002 Analysis Summary ---------------- BGP routing table entries examined: 114692 Prefixes after maximum aggregation: 74114 Unique aggregates announced to Internet: 55245 Total ASes present in the Internet Routing Table: 13774 Origin-only ASes present in the Internet Routing Table: 11914 Origin ASes announcing only one prefix: 5352 Transit ASes present in the Internet Routing Table: 1860 Transit-only ASes present in the Internet Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 23 Illegal AS announcements present in the Routing Table: 12 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 36 Number of addresses announced to Internet: 1189119916 Equivalent to 70 /8s, 224 /16s and 135 /24s Percentage of available address space announced: 32.1 Percentage of allocated address space announced: 58.8 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 47095 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18750 Total APNIC prefixes after maximum aggregation: 11397 Prefixes being announced from the APNIC address blocks: 17261 Unique aggregates announced from the APNIC address blocks: 10929 APNIC Region origin ASes present in the Internet Routing Table: 1617 APNIC Region origin ASes announcing only one prefix: 531 APNIC Region transit ASes present in the Internet Routing Table: 279 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 97317856 Equivalent to 5 /8s, 204 /16s and 243 /24s Percentage of available APNIC address space announced: 64.0 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 71523 Total ARIN prefixes after maximum aggregation: 45806 Prefixes being announced from the ARIN address blocks: 50330 Unique aggregates announced from the ARIN address blocks: 15470 ARIN Region origin ASes present in the Internet Routing Table: 7743 ARIN Region origin ASes announcing only one prefix: 2547 ARIN Region transit ASes present in the Internet Routing Table: 743 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 181080384 Equivalent to 10 /8s, 203 /16s and 17 /24s Percentage of available ARIN address space announced: 67.5 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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 19553 Total RIPE prefixes after maximum aggregation: 14816 Prefixes being announced from the RIPE address blocks: 16175 Unique aggregates announced from the RIPE address blocks: 10715 RIPE Region origin ASes present in the Internet Routing Table: 4039 RIPE Region origin ASes announcing only one prefix: 2190 RIPE Region transit ASes present in the Internet Routing Table: 755 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 113790080 Equivalent to 6 /8s, 200 /16s and 76 /24s Percentage of available RIPE address space announced: 75.4 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 RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 4858 Total LACNIC prefixes after maximum aggregation: 2095 Prefixes being announced from the LACNIC address blocks: 4207 Unique aggregates announced from the LACNIC address blocks: 2631 LACNIC Region origin ASes present in the Internet Routing Table: 315 LACNIC Region origin ASes announcing only one prefix: 84 LACNIC Region transit ASes present in the Internet Routing Table: 70 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 11206656 Equivalent to 0 /8s, 171 /16s and 0 /24s Percentage of available LACNIC address space announced: 66.8 LACNIC AS Blocks 26592 - 26623 LACNIC Address Blocks 200/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1196 1187 881 Telstra Pty Ltd 703 392 367 307 UUNET 2907 361 1832 340 SINET Japan 2764 348 357 321 connect.com.au pty ltd 7474 306 275 206 Optus Communications Pty Ltd 4134 292 2268 96 Data Communications Bureau 17557 283 21 111 Pakistan Telecom 4755 260 142 75 Videsh Sanchar Nigam Ltd. Aut 4766 248 1792 156 Korea Internet Exchange for " 4814 221 79 15 China Telecom (Group) 17676 220 3442 29 XTAGE CORPORATION 9443 184 57 70 Primus Telecommunications 9583 175 32 5 Satyam Infoway Ltd., 9768 145 385 74 Korea Telecom 4515 138 102 79 Star Internet Services Ltd. 7657 128 22 89 The Internet Group Limited 9800 122 188 24 CHINA UNICOM 4739 117 56 108 Commerical Internet eXchange 4713 116 1049 105 NTT Communications Corporatio 9498 102 8 23 BHARTI BT INTERNET LTD. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1798 9246 1295 UUNET Technologies, Inc. 7018 1318 7193 934 AT&T 3908 1045 1652 507 Supernet, Inc. 1239 853 3194 656 Sprint 852 743 1160 455 Telus Advanced Communications 7843 665 372 250 Adelphia Corp. 1 656 8088 433 GENUITY 7132 601 654 141 Southwestern Bell Internet Se 7046 590 863 313 UUNET Technologies, Inc. 4323 527 435 165 Time Warner Communications, I 690 519 75 326 Merit Network 209 514 2066 347 Qwest 7066 490 204 258 Virginia Polytechnic Institut 2548 444 1118 272 Business Internet, Inc. 3549 417 727 300 Global Crossing 6197 381 597 39 BellSouth Network Solutions, 4355 363 289 87 EarthLink, Inc. 15290 363 230 180 AT&T Canada IES 2914 362 2026 357 Verio, Inc. 6347 346 371 78 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 878 2414 732 UUNET - Commercial IP service 3301 387 907 343 TeliaNet Sweden 3215 292 673 179 France Telecom Transpac 3320 249 1965 215 Deutsche Telekom AG 680 238 2151 234 DFN-IP service G-WiN 5515 215 783 178 Sonera Solution Autonomous Sy 5400 214 86 101 BT Ignite European Backbone 1257 202 444 199 SWIPnet Swedish IP Network 719 189 306 130 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 8708 147 41 142 Romania Data Systems S.A. 3303 143 532 142 Swisscom Ltd 2856 125 785 115 BTnet UK Regional network 12302 124 18 31 MobiFon S.A. 3246 123 373 116 Song Networks 5511 110 192 88 France Telecom 3233 108 10 9 RNC - Romanian Natioanal R&D 3269 104 658 63 TELECOM ITALIA 8220 104 167 98 COLT Internet - International 2874 103 85 40 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 189 305 106 UniNet S.A. de C.V. 7303 171 27 49 Telecom Argentina Stet-France 11172 167 88 34 Servicios Alestra S.A de C.V 6503 161 191 116 AVANTEL, S.A. 11340 147 4 48 Red Universitaria Nacional 10834 145 91 34 ADVANCE TELECOMUNICACIONES S. 16814 107 7 13 NSS, S.A. 13999 103 19 8 Mega Cable S.A. de C.V. 6140 95 52 23 ImpSat USA, Inc. 10620 93 6 29 TVCABLE BOGOTA 15034 76 6 31 TIBA SA 1916 72 409 40 Fundacao de Amparo a Pesquisa 11992 72 7 29 Integrated Systems 2277 69 16 3 ECUANET - CORPORACION ECUATOR 7984 69 27 43 Global One Colombia 4270 68 18 10 Red de Interconexion Universi 15311 68 24 31 Telefonica Empresas 4926 65 4 53 Telintar S.A. 8065 59 6 16 Empresas Publicas de Medellin 7993 58 9 30 Global One Chile Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1045 538 Supernet, Inc. 7132 601 460 Southwestern Bell Internet Se 7843 665 415 Adelphia Corp. 7018 1318 384 AT&T 4323 527 362 Time Warner Communications, I 6197 381 342 BellSouth Network Solutions, 1221 1196 315 Telstra Pty Ltd 852 743 288 Telus Advanced Communications 7046 590 277 UUNET Technologies, Inc. 4355 363 276 EarthLink, Inc. 4151 285 270 USDA 6347 346 268 SAVVIS Communications Corpora 18566 272 268 Covad Communications 376 343 233 Reseau Interordinateurs Scien 7066 490 232 Virginia Polytechnic Institut 1 656 223 GENUITY 4814 221 206 China Telecom (Group) 1580 211 199 ANOSCEUR 11492 209 198 Cable One 1239 853 197 Sprint List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 578 UNALLOCATED 199.243.116.0/22 577 Bell Advanced Commun 64562 PRIVATE 203.152.128.0/21 11919 Loral Orion Services 64562 PRIVATE 203.152.136.0/21 11919 Loral Orion Services 65011 PRIVATE 207.8.204.0/24 4231 You Tools Corporatio 65011 PRIVATE 207.8.227.0/24 4231 You Tools Corporatio 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 578 UNALLOCATED 207.61.186.0/24 577 Bell Advanced Commun 65506 PRIVATE 207.106.30.0/24 4231 You Tools Corporatio 65011 PRIVATE 207.106.58.0/24 4231 You Tools Corporatio 65011 PRIVATE 207.106.90.0/24 4231 You Tools Corporatio 65011 PRIVATE 207.106.122.0/24 4231 You Tools Corporatio 578 UNALLOCATED 216.209.156.0/24 577 Bell Advanced Commun Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 7170 AT&T Government Markets 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 GENUITY 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 164.236.0.0/16 568 DISO-UNRRA 192.31.242.0/24 771 NASA Ames Research Center 192.44.0.0/19 702 UUNET - Commercial IP service 192.58.92.0/24 19548 Adelphia Business Solutions 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 192.91.198.0/24 2568 CTS Network Services 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.136.86.0/24 719 LANLINK autonomous system 192.136.87.0/24 719 LANLINK autonomous system 192.136.88.0/24 719 LANLINK autonomous system 192.136.136.0/24 7046 UUNET Technologies, Inc. 192.136.136.0/22 568 DISO-UNRRA 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.140.0.0/16 5511 France Telecom 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 192.172.0.0/19 568 DISO-UNRRA 192.208.29.0/24 3908 Supernet, Inc. 192.208.30.0/23 3908 Supernet, Inc. 192.243.36.0/23 7168 Northwest Link Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:6 /10:7 /11:12 /12:36 /13:89 /14:236 /15:428 /16:7268 /17:1485 /18:2685 /19:7843 /20:7498 /21:5258 /22:8059 /23:9726 /24:63159 /25:204 /26:243 /27:137 /28:83 /29:48 /30:111 /31:0 /32:53 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 615 1045 Supernet, Inc. 702 538 878 UUNET - Commercial IP service 701 492 1798 UUNET Technologies, Inc. 7843 469 665 Adelphia Corp. 690 465 519 Merit Network 7018 399 1318 AT&T 7066 388 490 Virginia Polytechnic Institut 7046 279 590 UUNET Technologies, Inc. 18566 268 272 Covad Communications 6197 266 381 BellSouth Network Solutions, 6198 243 312 BellSouth Network Solutions, 1239 240 853 Sprint 3301 229 387 TeliaNet Sweden 3215 224 292 France Telecom Transpac 4355 205 363 EarthLink, Inc. 11492 205 209 Cable One 1580 198 211 ANOSCEUR 5400 188 214 BT Ignite European Backbone 209 187 514 Qwest 3320 180 249 Deutsche Telekom AG Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:1 12:553 13:10 15:2 17:7 20:4 24:821 25:1 32:41 38:7 40:6 44:1 55:1 57:14 61:337 62:235 63:1844 64:1273 65:1504 66:1181 67:105 68:97 80:281 81:53 128:59 129:157 130:21 131:55 132:11 133:2 134:129 135:9 136:575 137:94 138:157 139:69 140:155 141:70 142:70 143:51 144:141 145:17 146:260 147:142 148:248 149:79 150:42 151:57 152:299 153:37 154:10 155:101 156:102 157:110 158:65 159:137 160:24 161:74 162:116 163:86 164:261 165:125 166:105 167:267 168:126 169:59 170:175 171:3 192:5382 193:2358 194:2024 195:800 196:431 198:3560 199:3084 200:2622 202:3376 203:4803 204:3271 205:2143 206:2408 207:2462 208:2559 209:2611 210:606 211:245 212:882 213:735 214:8 215:19 216:2896 217:495 218:46 219:2 End of report
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Routing Table Analysis