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 16 Aug, 2002 Analysis Summary ---------------- BGP routing table entries examined: 113000 Prefixes after maximum aggregation: 73565 Unique aggregates announced to Internet: 54874 Total ASes present in the Internet Routing Table: 13487 Origin-only ASes present in the Internet Routing Table: 11673 Origin ASes announcing only one prefix: 5207 Transit ASes present in the Internet Routing Table: 1814 Transit-only ASes present in the Internet Routing Table: 51 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 21 Illegal AS announcements present in the Routing Table: 1 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: 1182751136 Equivalent to 70 /8s, 127 /16s and 89 /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: 45583 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18737 Total APNIC prefixes after maximum aggregation: 11073 Prefixes being announced from the APNIC address blocks: 17396 Unique aggregates announced from the APNIC address blocks: 10651 APNIC Region origin ASes present in the Internet Routing Table: 1583 APNIC Region origin ASes announcing only one prefix: 517 APNIC Region transit ASes present in the Internet Routing Table: 278 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 11 Number of APNIC addresses announced to Internet: 92745312 Equivalent to 5 /8s, 135 /16s and 46 /24s Percentage of available APNIC address space announced: 61.0 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: 75022 Total ARIN prefixes after maximum aggregation: 47902 Prefixes being announced from the ARIN address blocks: 53679 Unique aggregates announced from the ARIN address blocks: 18115 ARIN Region origin ASes present in the Internet Routing Table: 7915 ARIN Region origin ASes announcing only one prefix: 2561 ARIN Region transit ASes present in the Internet Routing Table: 779 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 190832704 Equivalent to 11 /8s, 95 /16s and 224 /24s Percentage of available ARIN address space announced: 66.9 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 - 26623 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 19241 Total RIPE prefixes after maximum aggregation: 14590 Prefixes being announced from the RIPE address blocks: 15980 Unique aggregates announced from the RIPE address blocks: 10513 RIPE Region origin ASes present in the Internet Routing Table: 3938 RIPE Region origin ASes announcing only one prefix: 2129 RIPE Region transit ASes present in the Internet Routing Table: 747 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 113158144 Equivalent to 6 /8s, 190 /16s and 168 /24s Percentage of available RIPE address space announced: 74.9 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 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1214 1189 888 Telstra Pty Ltd 4538 626 1312 28 China Education and Research 703 416 377 324 UUNET 2907 362 1815 341 SINET Japan 2764 358 358 329 connect.com.au pty ltd 7474 318 292 214 Optus Communications Pty Ltd 4134 299 2183 102 Data Communications Bureau 4755 286 143 75 Videsh Sanchar Nigam Ltd. Aut 17557 268 20 95 Pakistan Telecom 4766 249 1506 156 Korea Internet Exchange for " 4814 231 79 14 China Telecom (Group) 17676 187 2914 34 XTAGE CORPORATION 9583 183 32 5 Satyam Infoway Ltd., 9443 171 45 68 Primus Telecommunications 9768 144 385 74 Korea Telecom 7657 132 22 91 The Internet Group Limited 9800 121 187 23 CHINA UNICOM 4713 114 1009 105 NTT Communications Corporatio 4739 113 56 104 Commerical Internet eXchange 4795 103 19 54 INDOSATNET-ASN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 896 2430 753 UUNET - Commercial IP service 3301 396 923 345 TeliaNet Sweden 5515 320 783 180 Sonera Solution Autonomous Sy 3215 291 641 180 France Telecom Transpac 3320 246 1964 212 Deutsche Telekom AG 680 237 2150 234 DFN-IP service G-WiN 5400 211 85 100 BT Ignite European Backbone 1257 207 446 202 SWIPnet Swedish IP Network 719 182 306 128 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 8708 145 41 141 Romania Data Systems S.A. 3303 142 548 141 Swisscom Ltd 2856 126 786 116 BTnet UK Regional network 12302 126 18 33 MobiFon S.A. 3246 112 317 107 Song Networks 5511 110 192 88 France Telecom 3233 106 10 9 RNC - Romanian Natioanal R&D 3269 106 658 63 TELECOM ITALIA 2874 102 85 39 Global One Services AB 8220 100 166 96 COLT Internet - International ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1785 9126 1358 UUNET Technologies, Inc. 7018 1310 7435 936 AT&T 3908 1014 1659 494 Supernet, Inc. 1239 821 3224 645 Sprint 852 724 1175 450 Telus Advanced Communications 1 671 8039 432 GENUITY 7843 644 371 258 Adelphia Corp. 7132 595 663 137 Southwestern Bell Internet Se 4323 544 450 172 Time Warner Communications, I 690 523 76 329 Merit Network 7046 512 882 315 UUNET Technologies, Inc. 209 507 2057 343 Qwest 2548 465 1162 277 Business Internet, Inc. 3549 435 808 312 Global Crossing 6197 381 611 37 BellSouth Network Solutions, 15290 377 297 192 AT&T Canada IES 2914 362 2074 362 Verio, Inc. 6347 350 370 76 SAVVIS Communications Corpora 4355 337 279 72 EarthLink, Inc. 6198 317 158 203 BellSouth Network Solutions, Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 626 598 China Education and Research 3908 1014 520 Supernet, Inc. 7132 595 458 Southwestern Bell Internet Se 7843 644 386 Adelphia Corp. 7018 1310 374 AT&T 4323 544 372 Time Warner Communications, I 6197 381 344 BellSouth Network Solutions, 1221 1214 326 Telstra Pty Ltd 4151 303 287 USDA 852 724 274 Telus Advanced Communications 6347 350 274 SAVVIS Communications Corpora 4355 337 265 EarthLink, Inc. 18566 245 241 Covad Communications 1 671 239 GENUITY 4814 231 217 China Telecom (Group) 4755 286 211 Videsh Sanchar Nigam Ltd. Aut 1580 212 200 ANOSCEUR 7046 512 197 UUNET Technologies, Inc. 4134 299 197 Data Communications Bureau 690 523 194 Merit Network List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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 192.5.154.0/24 16588 Spider Web Hosting Solutions 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 /12:37 /13:85 /14:233 /15:420 /16:7273 /17:1467 /18:2679 /19:7777 /20:7541 /21:5215 /22:7925 /23:9563 /24:62291 /25:152 /26:139 /27:56 /28:54 /29:31 /30:1 /31:0 /32:18 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 600 1014 Supernet, Inc. 702 546 896 UUNET - Commercial IP service 701 490 1785 UUNET Technologies, Inc. 690 469 523 Merit Network 7843 445 644 Adelphia Corp. 7018 379 1310 AT&T 6197 266 381 BellSouth Network Solutions, 6198 244 317 BellSouth Network Solutions, 18566 241 245 Covad Communications 3301 234 396 TeliaNet Sweden 3215 223 291 France Telecom Transpac 1239 222 821 Sprint 7066 204 301 Virginia Polytechnic Institut 1580 199 212 ANOSCEUR 4355 194 337 EarthLink, Inc. 7046 191 512 UUNET Technologies, Inc. 209 189 507 Qwest 4323 185 544 Time Warner Communications, I 5400 185 211 BT Ignite European Backbone 11492 185 189 Cable One Number of /24s announced per /8 block (Global) ---------------------------------------------- 3:1 4:3 12:539 13:10 15:2 17:6 20:4 24:719 25:1 32:41 38:9 40:6 44:1 57:14 61:327 62:236 63:1861 64:1231 65:1439 66:993 67:97 68:85 80:262 81:46 128:68 129:123 130:21 131:54 132:11 133:2 134:107 135:9 136:426 137:96 138:150 139:63 140:150 141:46 142:61 143:48 144:142 145:18 146:236 147:143 148:238 149:79 150:40 151:57 152:268 153:36 154:11 155:115 156:71 157:108 158:67 159:134 160:20 161:73 162:123 163:79 164:80 165:128 166:107 167:263 168:284 169:60 170:195 171:3 192:5383 193:2345 194:2066 195:805 196:415 198:3570 199:3133 200:2593 202:3334 203:4714 204:3228 205:2143 206:2447 207:2469 208:2599 209:2694 210:602 211:244 212:863 213:713 214:8 215:19 216:2827 217:497 218:33 219:1 End of report