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 01 Nov, 2002 Analysis Summary ---------------- BGP routing table entries examined: 116941 Prefixes after maximum aggregation: 74969 Unique aggregates announced to Internet: 55913 Total ASes present in the Internet Routing Table: 14003 Origin-only ASes present in the Internet Routing Table: 12144 Origin ASes announcing only one prefix: 5459 Transit ASes present in the Internet Routing Table: 1859 Transit-only ASes present in the Internet Routing Table: 61 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 23 Illegal AS announcements present in the Routing Table: 7 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 35 Number of addresses announced to Internet: 1182432648 Equivalent to 70 /8s, 122 /16s and 125 /24s Percentage of available address space announced: 31.9 Percentage of allocated address space announced: 58.5 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 48987 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 19110 Total APNIC prefixes after maximum aggregation: 11485 Prefixes being announced from the APNIC address blocks: 17593 Unique aggregates announced from the APNIC address blocks: 11202 APNIC Region origin ASes present in the Internet Routing Table: 1628 APNIC Region origin ASes announcing only one prefix: 516 APNIC Region transit ASes present in the Internet Routing Table: 276 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 99956160 Equivalent to 5 /8s, 245 /16s and 53 /24s Percentage of available APNIC address space announced: 65.7 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: 73227 Total ARIN prefixes after maximum aggregation: 46440 Prefixes being announced from the ARIN address blocks: 51538 Unique aggregates announced from the ARIN address blocks: 15445 ARIN Region origin ASes present in the Internet Routing Table: 7868 ARIN Region origin ASes announcing only one prefix: 2616 ARIN Region transit ASes present in the Internet Routing Table: 741 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 182350304 Equivalent to 10 /8s, 222 /16s and 113 /24s Percentage of available ARIN address space announced: 67.9 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 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: 19747 Total RIPE prefixes after maximum aggregation: 14961 Prefixes being announced from the RIPE address blocks: 16441 Unique aggregates announced from the RIPE address blocks: 11016 RIPE Region origin ASes present in the Internet Routing Table: 4130 RIPE Region origin ASes announcing only one prefix: 2245 RIPE Region transit ASes present in the Internet Routing Table: 760 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 14 Number of RIPE addresses announced to Internet: 118798048 Equivalent to 7 /8s, 20 /16s and 182 /24s Percentage of available RIPE address space announced: 78.7 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: 4851 Total LACNIC prefixes after maximum aggregation: 2083 Prefixes being announced from the LACNIC address blocks: 4215 Unique aggregates announced from the LACNIC address blocks: 2658 LACNIC Region origin ASes present in the Internet Routing Table: 319 LACNIC Region origin ASes announcing only one prefix: 82 LACNIC Region transit ASes present in the Internet Routing Table: 69 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 11637760 Equivalent to 0 /8s, 177 /16s and 148 /24s Percentage of available LACNIC address space announced: 69.4 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 1189 1169 866 Telstra Pty Ltd 703 396 367 314 UUNET 2907 350 1751 330 SINET Japan 2764 335 356 307 connect.com.au pty ltd 17557 320 23 120 Pakistan Telecom 4134 296 2287 98 Data Communications Bureau 7474 295 275 201 Optus Communications Pty Ltd 4755 279 138 74 Videsh Sanchar Nigam Ltd. Aut 4766 250 1808 158 Korea Internet Exchange for " 4814 233 79 15 China Telecom (Group) 17676 226 3538 32 XTAGE CORPORATION 9443 185 57 73 Primus Telecommunications 9583 164 32 6 Satyam Infoway Ltd., 4515 139 102 77 Star Internet Services Ltd. 9768 135 385 74 Korea Telecom 4716 130 738 124 TTnet 7657 129 24 90 The Internet Group Limited 9800 122 188 24 CHINA UNICOM 4739 117 56 108 Commerical Internet eXchange 4713 112 1044 101 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1778 9156 1263 UUNET Technologies, Inc. 7018 1342 7185 938 AT&T 3908 1089 1669 513 Supernet, Inc. 1239 890 3170 662 Sprint 7843 783 374 311 Adelphia Corp. 852 688 1163 466 Telus Advanced Communications 1 665 8106 439 GENUITY 209 636 2049 335 Qwest 7046 587 876 292 UUNET Technologies, Inc. 690 517 75 324 Merit Network 4323 516 439 164 Time Warner Communications, I 2828 498 610 120 XO Communications 705 443 134 203 UUNET Technologies, Inc. 6197 439 233 200 BellSouth Network Solutions, 3549 413 728 297 Global Crossing 2548 403 1115 244 Business Internet, Inc. 6198 400 182 197 BellSouth Network Solutions, 4355 388 306 109 EarthLink, Inc. 19029 388 127 30 New Edge Networks 2914 366 2022 359 Verio, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 838 2367 692 UUNET - Commercial IP service 3301 377 1163 334 TeliaNet Sweden 3215 308 789 172 France Telecom Transpac 3320 245 1964 222 Deutsche Telekom AG 680 238 2151 234 DFN-IP service G-WiN 5515 210 783 175 Sonera Solution Autonomous Sy 1257 209 415 204 SWIPnet Swedish IP Network 5400 196 84 110 BT Ignite European Backbone 719 191 306 130 LANLINK autonomous system 786 176 1873 176 The JANET IP Service 2856 170 1302 132 BTnet UK Regional network 8708 159 41 146 Romania Data Systems S.A. 3303 143 517 142 Swisscom Ltd 12302 123 18 30 MobiFon S.A. 3246 120 373 116 Song Networks 8220 114 169 106 COLT Internet - International 3269 107 721 63 TELECOM ITALIA 3233 106 10 8 RNC - Romanian Natioanal R&D 2874 99 85 39 Global One Services AB 5511 98 192 82 France Telecom LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 254 114 58 ImpSat USA, Inc. 8151 212 346 111 UniNet S.A. de C.V. 7303 183 28 52 Telecom Argentina Stet-France 11172 168 88 34 Servicios Alestra S.A de C.V 6503 150 159 107 AVANTEL, S.A. 13999 127 36 8 Mega Cable S.A. de C.V. 16814 106 7 12 NSS, S.A. 10620 99 6 30 TVCABLE BOGOTA 11992 80 8 32 Integrated Systems 11340 78 2 29 Red Universitaria Nacional 15311 75 26 32 Telefonica Empresas 1916 73 409 40 Fundacao de Amparo a Pesquisa 4270 68 18 10 Red de Interconexion Universi 7984 64 27 41 Global One Colombia 4926 63 4 51 Telintar S.A. 2277 62 16 3 ECUANET - CORPORACION ECUATOR 8065 61 6 16 Empresas Publicas de Medellin 15034 60 5 34 TIBA SA 11664 55 5 11 Keytech SA 6535 54 4 15 Chilesat Servicios Empresari Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1089 576 Supernet, Inc. 7843 783 472 Adelphia Corp. 7018 1342 404 AT&T 2828 498 378 XO Communications 19029 388 358 New Edge Networks 4323 516 352 Time Warner Communications, I 18566 337 333 Covad Communications 1221 1189 323 Telstra Pty Ltd 4151 330 314 USDA 1580 319 306 ANOSCEUR 209 636 301 Qwest 7046 587 295 UUNET Technologies, Inc. 4355 388 279 EarthLink, Inc. 6347 355 279 SAVVIS Communications Corpora 376 344 242 Reseau Interordinateurs Scien 705 443 240 UUNET Technologies, Inc. 6197 439 239 BellSouth Network Solutions, 1239 890 228 Sprint 1 665 226 GENUITY 852 688 222 Telus Advanced Communications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65025 PRIVATE 81.26.65.0/24 11042 Orion Network System 65010 PRIVATE 168.167.21.0/24 11042 Orion Network System 65501 PRIVATE 200.73.24.0/24 18747 IFX Communication Ve 65501 PRIVATE 200.73.26.0/24 18747 IFX Communication Ve 65501 PRIVATE 200.73.27.0/24 18747 IFX Communication Ve 65501 PRIVATE 200.73.28.0/24 18747 IFX Communication Ve 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 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 192.72.0.0/18 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 2044 AUSNet, Inc. Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:5 /10:8 /11:12 /12:46 /13:90 /14:240 /15:428 /16:7314 /17:1510 /18:2749 /19:7892 /20:7503 /21:5370 /22:8232 /23:9995 /24:64809 /25:172 /26:190 /27:109 /28:80 /29:51 /30:91 /31:0 /32:28 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 641 1089 Supernet, Inc. 7843 593 783 Adelphia Corp. 702 509 838 UUNET - Commercial IP service 701 495 1778 UUNET Technologies, Inc. 690 465 517 Merit Network 7018 426 1342 AT&T 2828 382 498 XO Communications 19029 354 388 New Edge Networks 6197 332 439 BellSouth Network Solutions, 18566 332 337 Covad Communications 209 316 636 Qwest 6198 316 400 BellSouth Network Solutions, 1580 305 319 ANOSCEUR 1239 274 890 Sprint 7046 273 587 UUNET Technologies, Inc. 3215 233 308 France Telecom Transpac 11492 225 230 Cable One 3301 223 377 TeliaNet Sweden 4355 219 388 EarthLink, Inc. 7066 205 306 Virginia Polytechnic Institut Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:5 12:578 13:10 15:4 17:2 20:5 24:901 25:1 32:43 38:26 40:11 44:1 55:1 57:15 61:368 62:253 63:1915 64:1382 65:1638 66:1213 67:123 68:200 69:16 80:289 81:62 128:128 129:107 130:21 131:63 132:9 133:2 134:135 135:7 136:410 137:108 138:217 139:78 140:157 141:86 142:81 143:46 144:147 145:16 146:251 147:226 148:252 149:77 150:41 151:88 152:295 153:36 154:8 155:106 156:103 157:106 158:78 159:150 160:20 161:74 162:130 163:84 164:93 165:133 166:94 167:306 168:305 169:59 170:228 171:6 192:5427 193:2383 194:2005 195:836 196:438 198:3617 199:3085 200:2565 202:3534 203:4859 204:3244 205:2125 206:2359 207:2469 208:2564 209:2738 210:616 211:279 212:864 213:771 214:10 215:19 216:3216 217:506 218:48 219:3 End of report