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 12 Jul, 2002 Analysis Summary ---------------- BGP routing table entries examined: 113808 Prefixes after maximum aggregation: 73632 Unique aggregates announced to Internet: 53854 Total ASes present in the Internet Routing Table: 13333 Origin-only ASes present in the Internet Routing Table: 11543 Origin ASes announcing only one prefix: 5110 Transit ASes present in the Internet Routing Table: 1790 Transit-only ASes present in the Internet Routing Table: 50 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 22 Illegal AS announcements present in the Routing Table: 8 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: 1180975672 Equivalent to 70 /8s, 100 /16s and 66 /24s Percentage of available address space announced: 31.9 Percentage of allocated address space announced: 58.9 Percentage of available address space allocated: 54.1 Total number of prefixes smaller than registry allocations: 46022 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18655 Total APNIC prefixes after maximum aggregation: 11077 Prefixes being announced from the APNIC address blocks: 17207 Unique aggregates announced from the APNIC address blocks: 10502 APNIC Region origin ASes present in the Internet Routing Table: 1558 APNIC Region origin ASes announcing only one prefix: 506 APNIC Region transit ASes present in the Internet Routing Table: 275 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 13 Number of APNIC addresses announced to Internet: 88702624 Equivalent to 5 /8s, 73 /16s and 126 /24s Percentage of available APNIC address space announced: 58.3 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: 75831 Total ARIN prefixes after maximum aggregation: 48036 Prefixes being announced from the ARIN address blocks: 53877 Unique aggregates announced from the ARIN address blocks: 17995 ARIN Region origin ASes present in the Internet Routing Table: 7845 ARIN Region origin ASes announcing only one prefix: 2517 ARIN Region transit ASes present in the Internet Routing Table: 773 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 189355856 Equivalent to 11 /8s, 73 /16s and 87 /24s Percentage of available ARIN address space announced: 70.5 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 - 26623 ARIN Address Blocks 24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 19315 Total RIPE prefixes after maximum aggregation: 14519 Prefixes being announced from the RIPE address blocks: 16050 Unique aggregates announced from the RIPE address blocks: 9821 RIPE Region origin ASes present in the Internet Routing Table: 3881 RIPE Region origin ASes announcing only one prefix: 2087 RIPE Region transit ASes present in the Internet Routing Table: 719 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 116950816 Equivalent to 6 /8s, 248 /16s and 135 /24s Percentage of available RIPE address space announced: 77.5 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 1257 1207 899 Telstra Pty Ltd 4538 466 1258 18 China Education and Research 703 408 358 323 UUNET Technologies, Inc. 2907 366 1865 341 SINET Japan 2764 361 358 332 connect.com.au pty ltd 7474 311 291 207 Optus Communications Pty Ltd 17557 307 20 109 Pakistan Telecom 4755 301 116 82 Videsh Sanchar Nigam Ltd. Aut 4134 289 2112 106 Data Communications Bureau 9443 253 45 67 Primus Telecommunications 4766 248 1506 155 Korea Internet Exchange for " 4814 212 79 14 China Telecom (Group) - Beiji 9583 176 32 5 Satyam Infoway Ltd., 17676 160 2482 27 XTAGE CORPORATION 9768 143 384 73 Korea Telecom 7657 129 22 87 The Internet Group Limited 9800 125 191 18 CHINA UNICOM 4780 123 186 39 Digital United Inc. 4713 115 1009 106 NTT Communications Corporatio 4739 111 56 102 Commerical Internet eXchange RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 940 2443 778 UUNET Technologies, Inc. 3301 396 924 346 TeliaNet Sweden 3352 277 535 29 Ibernet, Internet Access Netw 3215 266 628 166 France Telecom / &Equant 3320 254 1946 193 Deutsche Telekom AG 5515 245 783 172 Sonera Finland Autonomous Sys 680 233 2149 230 DFN-IP service G-WiN 1257 206 430 203 SWIPnet Swedish IP Network 5400 205 83 94 Concert European Core Network 719 189 306 128 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 8708 139 23 136 Romania Data Systems S.A. 3303 137 547 136 Swisscom Ltd 2856 128 787 118 BTnet UK Regional network 12302 122 17 34 MobiFon S.A. 3269 113 690 68 TELECOM ITALIA 3246 112 317 107 Song Networks / Clinet 5511 109 192 87 France Telecom 3233 104 10 9 RNC - Romanian Natioanal R&D 2874 102 85 39 Global One Services AB ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1852 9240 1378 UUNET Technologies, Inc. 7018 1294 7390 935 AT&T 3908 923 1643 501 Supernet, Inc. 1239 845 3355 660 Sprint 852 757 1175 451 Telus Advanced Communications 1 698 8075 447 GENUITY 7843 643 360 238 Adelphia Corp. 4323 626 438 257 Time Warner Communications, I 7132 579 659 133 Southwestern Bell Internet Se 7046 558 885 357 UUNET Technologies, Inc. 209 535 2010 347 Qwest 690 515 74 327 Merit Network 7066 482 203 252 Virginia Polytechnic Institut 7029 463 165 56 Alltel Information Services, 3549 440 839 316 Global Crossing 2149 438 180 332 Performance Systems, Inc. 2914 409 2100 386 Verio, Inc. 15290 379 297 194 AT&T Canada IES 6197 370 547 36 BellSouth Network Solutions, 6347 347 370 77 SAVVIS Communications Corpora Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 466 448 China Education and Research 7132 579 446 Southwestern Bell Internet Se 3908 923 422 Supernet, Inc. 7029 463 407 Alltel Information Services, 7843 643 405 Adelphia Corp. 4323 626 369 Time Warner Communications, I 7018 1294 359 AT&T 1221 1257 358 Telstra Pty Ltd 6197 370 334 BellSouth Network Solutions, 852 757 306 Telus Advanced Communications 11371 292 286 Rhythms NetConnections 4151 287 271 USDA 6347 347 270 SAVVIS Communications Corpora 4355 308 256 EarthLink, Inc. 1 698 251 GENUITY 3352 277 248 Ibernet, Internet Access Netw 7066 482 230 Virginia Polytechnic Institut 18566 229 225 Covad Communications 4755 301 219 Videsh Sanchar Nigam Ltd. Aut 7303 273 211 Telecom Argentina Stet-France List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 55000 RESERVED 81.5.64.0/20 5467 MIPT-NET 65003 PRIVATE 202.92.84.0/24 9837 Powertel Ltd 65003 PRIVATE 202.92.84.0/22 9837 Powertel Ltd 65003 PRIVATE 202.92.85.0/24 9837 Powertel Ltd 65003 PRIVATE 202.92.119.0/24 9837 Powertel Ltd 65003 PRIVATE 203.56.32.0/24 9837 Powertel Ltd 65003 PRIVATE 203.56.33.0/24 9837 Powertel Ltd 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 Technologies, Inc. 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 Finland Autonomous Sys 192.83.32.0/19 5515 Sonera Finland Autonomous Sys 192.83.96.0/22 5515 Sonera Finland Autonomous Sys 192.83.100.0/24 5515 Sonera Finland Autonomous Sys 192.91.198.0/24 2568 CTS Network Services 192.92.167.0/24 297 NASA Science Network 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.135.248.0/23 109 Cisco Systems, Inc. 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 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.140.0.0/16 5511 France Telecom 192.152.213.0/24 1239 Sprint 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.172.0.0/19 568 DISO-UNRRA 192.195.253.0/24 237 Merit Network 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 /8:19 /9:6 /10:7 /11:12 /12:36 /13:87 /14:233 /15:416 /16:7249 /17:1451 /18:2650 /19:7678 /20:7363 /21:5171 /22:7936 /23:9664 /24:63168 /25:204 /26:168 /27:86 /28:68 /29:45 /30:74 /31:0 /32:17 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 702 583 940 UUNET Technologies, Inc. 3908 510 923 Supernet, Inc. 701 507 1852 UUNET Technologies, Inc. 690 457 515 Merit Network 7843 449 643 Adelphia Corp. 7066 387 482 Virginia Polytechnic Institut 7029 366 463 Alltel Information Services, 7018 350 1294 AT&T 6197 256 370 BellSouth Network Solutions, 11371 245 292 Rhythms NetConnections 6198 238 310 BellSouth Network Solutions, 3301 234 396 TeliaNet Sweden 18566 225 229 Covad Communications 1239 217 845 Sprint 7046 215 558 UUNET Technologies, Inc. 209 211 535 Qwest 3352 201 277 Ibernet, Internet Access Netw 1580 200 213 HQ, 5th Signal Command 3215 199 266 France Telecom / &Equant 1 191 698 GENUITY Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 9:1 12:504 13:10 15:2 17:6 20:3 24:798 25:1 32:41 38:9 40:6 44:1 57:13 61:277 62:221 63:1883 64:1258 65:1378 66:979 67:89 68:63 80:248 81:33 128:63 129:133 130:22 131:53 132:11 133:2 134:126 135:8 136:243 137:94 138:150 139:69 140:143 141:123 142:78 143:39 144:151 145:14 146:187 147:138 148:241 149:84 150:41 151:67 152:264 153:34 154:14 155:107 156:77 157:127 158:69 159:135 160:18 161:70 162:214 163:94 164:259 165:133 166:222 167:172 168:292 169:60 170:252 171:3 192:5456 193:2367 194:2093 195:905 196:410 198:3643 199:3192 200:2584 202:3313 203:4691 204:3281 205:2182 206:2686 207:2539 208:2647 209:2670 210:600 211:230 212:913 213:663 214:9 215:19 216:2854 217:471 218:27 End of report
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Routing Table Analysis