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 25 Oct, 2002 Analysis Summary ---------------- BGP routing table entries examined: 116434 Prefixes after maximum aggregation: 74749 Unique aggregates announced to Internet: 55706 Total ASes present in the Internet Routing Table: 13962 Origin-only ASes present in the Internet Routing Table: 12107 Origin ASes announcing only one prefix: 5433 Transit ASes present in the Internet Routing Table: 1855 Transit-only ASes present in the Internet Routing Table: 58 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 17 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: 1180885064 Equivalent to 70 /8s, 98 /16s and 224 /24s Percentage of available address space announced: 31.9 Percentage of allocated address space announced: 58.4 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 48540 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 19018 Total APNIC prefixes after maximum aggregation: 11461 Prefixes being announced from the APNIC address blocks: 17517 Unique aggregates announced from the APNIC address blocks: 11098 APNIC Region origin ASes present in the Internet Routing Table: 1629 APNIC Region origin ASes announcing only one prefix: 520 APNIC Region transit ASes present in the Internet Routing Table: 275 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 99485600 Equivalent to 5 /8s, 238 /16s and 7 /24s Percentage of available APNIC address space announced: 65.4 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: 72955 Total ARIN prefixes after maximum aggregation: 46335 Prefixes being announced from the ARIN address blocks: 51381 Unique aggregates announced from the ARIN address blocks: 15434 ARIN Region origin ASes present in the Internet Routing Table: 7852 ARIN Region origin ASes announcing only one prefix: 2602 ARIN Region transit ASes present in the Internet Routing Table: 744 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 182036960 Equivalent to 10 /8s, 217 /16s and 169 /24s Percentage of available ARIN address space announced: 67.8 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 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: 19662 Total RIPE prefixes after maximum aggregation: 14884 Prefixes being announced from the RIPE address blocks: 16348 Unique aggregates announced from the RIPE address blocks: 10971 RIPE Region origin ASes present in the Internet Routing Table: 4107 RIPE Region origin ASes announcing only one prefix: 2231 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: 118330816 Equivalent to 7 /8s, 13 /16s and 149 /24s Percentage of available RIPE address space announced: 78.4 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: 4793 Total LACNIC prefixes after maximum aggregation: 2069 Prefixes being announced from the LACNIC address blocks: 4118 Unique aggregates announced from the LACNIC address blocks: 2656 LACNIC Region origin ASes present in the Internet Routing Table: 319 LACNIC Region origin ASes announcing only one prefix: 80 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 11565056 Equivalent to 0 /8s, 176 /16s and 120 /24s Percentage of available LACNIC address space announced: 68.9 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 867 Telstra Pty Ltd 703 395 368 313 UUNET 2907 350 1751 330 SINET Japan 2764 335 356 307 connect.com.au pty ltd 17557 314 23 117 Pakistan Telecom 4134 295 2284 99 Data Communications Bureau 7474 294 275 201 Optus Communications Pty Ltd 4755 277 138 74 Videsh Sanchar Nigam Ltd. Aut 4766 250 1808 158 Korea Internet Exchange for " 4814 232 79 15 China Telecom (Group) 17676 224 3506 31 XTAGE CORPORATION 9443 185 57 73 Primus Telecommunications 9583 160 32 5 Satyam Infoway Ltd., 4515 139 102 77 Star Internet Services Ltd. 9768 136 385 75 Korea Telecom 4716 129 736 123 TTnet 7657 128 23 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 1777 9140 1264 UUNET Technologies, Inc. 7018 1358 7187 946 AT&T 3908 1075 1668 512 Supernet, Inc. 1239 887 3186 662 Sprint 7843 756 373 318 Adelphia Corp. 852 737 1146 457 Telus Advanced Communications 1 659 8042 434 GENUITY 7046 589 892 291 UUNET Technologies, Inc. 209 577 2064 336 Qwest 4323 519 439 164 Time Warner Communications, I 690 517 75 324 Merit Network 2828 472 598 102 XO Communications 705 444 135 204 UUNET Technologies, Inc. 7132 415 673 70 Southwestern Bell Internet Se 3549 410 726 296 Global Crossing 2548 401 1115 244 Business Internet, Inc. 6197 399 601 40 BellSouth Network Solutions, 6198 397 180 197 BellSouth Network Solutions, 4355 385 306 109 EarthLink, Inc. 2914 370 2022 363 Verio, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 872 2374 724 UUNET - Commercial IP service 3301 382 1164 335 TeliaNet Sweden 3215 309 789 172 France Telecom Transpac 3320 243 1964 220 Deutsche Telekom AG 680 238 2151 234 DFN-IP service G-WiN 5515 211 783 176 Sonera Solution Autonomous Sy 1257 207 414 202 SWIPnet Swedish IP Network 5400 200 83 95 BT Ignite European Backbone 719 190 306 130 LANLINK autonomous system 786 176 1873 176 The JANET IP Service 2856 170 1302 132 BTnet UK Regional network 8708 158 41 147 Romania Data Systems S.A. 3303 142 516 141 Swisscom Ltd 12302 121 17 28 MobiFon S.A. 3246 120 373 115 Song Networks 8220 114 168 105 COLT Internet - International 3233 106 10 8 RNC - Romanian Natioanal R&D 3269 106 690 64 TELECOM ITALIA 5511 102 192 85 France Telecom 2874 99 85 39 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 249 114 58 ImpSat USA, Inc. 8151 209 330 110 UniNet S.A. de C.V. 7303 180 28 50 Telecom Argentina Stet-France 11172 167 72 33 Servicios Alestra S.A de C.V 6503 155 191 109 AVANTEL, S.A. 16814 106 7 12 NSS, S.A. 13999 101 20 7 Mega Cable S.A. de C.V. 10620 99 6 30 TVCABLE BOGOTA 11340 80 2 25 Red Universitaria Nacional 11992 80 8 30 Integrated Systems 15311 76 26 32 Telefonica Empresas 1916 74 425 41 Fundacao de Amparo a Pesquisa 4270 67 18 10 Red de Interconexion Universi 4926 63 4 51 Telintar S.A. 7984 63 27 41 Global One Colombia 2277 62 16 3 ECUANET - CORPORACION ECUATOR 15034 60 5 32 TIBA SA 7927 59 5 40 Global One Venezuela 8065 59 6 15 Empresas Publicas de Medellin 6535 54 4 15 Chilesat Servicios Empresari Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1075 563 Supernet, Inc. 7843 756 438 Adelphia Corp. 7018 1358 412 AT&T 2828 472 370 XO Communications 6197 399 359 BellSouth Network Solutions, 4323 519 355 Time Warner Communications, I 7132 415 345 Southwestern Bell Internet Se 1221 1189 322 Telstra Pty Ltd 18566 326 322 Covad Communications 1580 320 307 ANOSCEUR 7046 589 298 UUNET Technologies, Inc. 852 737 280 Telus Advanced Communications 6347 351 278 SAVVIS Communications Corpora 4355 385 276 EarthLink, Inc. 4151 292 276 USDA 209 577 241 Qwest 705 444 240 UUNET Technologies, Inc. 376 334 231 Reseau Interordinateurs Scien 1239 887 225 Sprint 1 659 225 GENUITY 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 /14:238 /15:426 /16:7291 /17:1513 /18:2742 /19:7909 /20:7505 /21:5342 /22:8192 /23:9957 /24:64398 /25:177 /26:205 /27:103 /28:78 /29:54 /30:95 /31:1 /32:30 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 637 1075 Supernet, Inc. 7843 569 756 Adelphia Corp. 702 540 872 UUNET - Commercial IP service 701 496 1777 UUNET Technologies, Inc. 690 465 517 Merit Network 7018 437 1358 AT&T 2828 370 472 XO Communications 18566 320 326 Covad Communications 6198 313 397 BellSouth Network Solutions, 1580 306 320 ANOSCEUR 6197 282 399 BellSouth Network Solutions, 7046 275 589 UUNET Technologies, Inc. 1239 271 887 Sprint 209 260 577 Qwest 3215 234 309 France Telecom Transpac 3301 228 382 TeliaNet Sweden 11492 224 229 Cable One 4355 218 385 EarthLink, Inc. 7066 205 306 Virginia Polytechnic Institut 19029 192 220 New Edge Networks Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:5 12:578 13:10 15:4 17:6 20:3 24:899 25:1 32:42 38:26 40:11 44:1 55:1 57:17 61:369 62:238 63:1905 64:1351 65:1609 66:1209 67:117 68:176 69:16 80:287 81:60 128:129 129:105 130:18 131:63 132:9 133:2 134:140 135:7 136:406 137:108 138:205 139:71 140:156 141:77 142:82 143:46 144:148 145:18 146:235 147:225 148:255 149:76 150:41 151:89 152:294 153:36 154:8 155:106 156:103 157:106 158:76 159:149 160:20 161:74 162:126 163:85 164:82 165:125 166:104 167:300 168:302 169:60 170:217 171:6 192:5425 193:2380 194:2005 195:837 196:431 198:3636 199:3100 200:2504 202:3512 203:4851 204:3280 205:2112 206:2369 207:2467 208:2551 209:2643 210:604 211:249 212:813 213:778 214:10 215:19 216:3233 217:505 218:50 219:3 End of report