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 19 Jul, 2002 Analysis Summary ---------------- BGP routing table entries examined: 113997 Prefixes after maximum aggregation: 73584 Unique aggregates announced to Internet: 53982 Total ASes present in the Internet Routing Table: 13381 Origin-only ASes present in the Internet Routing Table: 11573 Origin ASes announcing only one prefix: 5143 Transit ASes present in the Internet Routing Table: 1808 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: 16 Illegal AS announcements present in the Routing Table: 16 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 41 Number of addresses announced to Internet: 1179873784 Equivalent to 70 /8s, 83 /16s and 113 /24s Percentage of available address space announced: 31.8 Percentage of allocated address space announced: 58.8 Percentage of available address space allocated: 54.1 Total number of prefixes smaller than registry allocations: 46191 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18841 Total APNIC prefixes after maximum aggregation: 11130 Prefixes being announced from the APNIC address blocks: 17370 Unique aggregates announced from the APNIC address blocks: 10548 APNIC Region origin ASes present in the Internet Routing Table: 1571 APNIC Region origin ASes announcing only one prefix: 516 APNIC Region transit ASes present in the Internet Routing Table: 277 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 13 Number of APNIC addresses announced to Internet: 89465184 Equivalent to 5 /8s, 85 /16s and 33 /24s Percentage of available APNIC address space announced: 58.8 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: 75393 Total ARIN prefixes after maximum aggregation: 47868 Prefixes being announced from the ARIN address blocks: 53475 Unique aggregates announced from the ARIN address blocks: 17970 ARIN Region origin ASes present in the Internet Routing Table: 7868 ARIN Region origin ASes announcing only one prefix: 2528 ARIN Region transit ASes present in the Internet Routing Table: 787 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 189289040 Equivalent to 11 /8s, 72 /16s and 82 /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: 19749 Total RIPE prefixes after maximum aggregation: 14586 Prefixes being announced from the RIPE address blocks: 16295 Unique aggregates announced from the RIPE address blocks: 9933 RIPE Region origin ASes present in the Internet Routing Table: 3895 RIPE Region origin ASes announcing only one prefix: 2099 RIPE Region transit ASes present in the Internet Routing Table: 729 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 115727904 Equivalent to 6 /8s, 229 /16s and 222 /24s Percentage of available RIPE address space announced: 76.6 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 1258 1207 901 Telstra Pty Ltd 4538 558 1278 26 China Education and Research 703 406 359 321 UUNET Technologies, Inc. 2907 365 1849 342 SINET Japan 2764 358 358 329 connect.com.au pty ltd 7474 319 296 213 Optus Communications Pty Ltd 17557 296 20 103 Pakistan Telecom 4755 293 112 77 Videsh Sanchar Nigam Ltd. Aut 4134 291 2134 102 Data Communications Bureau 9443 252 45 67 Primus Telecommunications 4766 249 1506 156 Korea Internet Exchange for " 4814 215 79 14 China Telecom (Group) - Beiji 9583 180 32 5 Satyam Infoway Ltd., 17676 165 2562 30 XTAGE CORPORATION 9768 143 384 73 Korea Telecom 7657 128 22 87 The Internet Group Limited 9800 125 191 18 CHINA UNICOM 4780 122 186 39 Digital United Inc. 7539 120 184 119 TANet2, sponsored by NSC, TAI 4713 115 1009 106 NTT Communications Corporatio RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 911 2442 768 UUNET Technologies, Inc. 5515 647 785 188 Sonera Finland Autonomous Sys 3301 397 924 347 TeliaNet Sweden 3215 276 639 175 France Telecom / &Equant 3352 274 531 31 Ibernet, Internet Access Netw 3320 263 1962 202 Deutsche Telekom AG 680 235 2150 232 DFN-IP service G-WiN 5400 208 85 97 Concert European Core Network 1257 206 430 203 SWIPnet Swedish IP Network 719 189 306 128 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 3303 140 548 139 Swisscom Ltd 8708 139 23 136 Romania Data Systems S.A. 2856 128 787 118 BTnet UK Regional network 12302 123 18 30 MobiFon S.A. 3269 113 690 68 TELECOM ITALIA 3246 112 317 107 Song Networks / Clinet 5511 110 192 88 France Telecom 3233 105 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 1844 9193 1386 UUNET Technologies, Inc. 7018 1298 7402 943 AT&T 3908 935 1643 503 Supernet, Inc. 1239 821 3276 643 Sprint 852 752 1175 450 Telus Advanced Communications 1 702 8078 451 GENUITY 7843 643 360 239 Adelphia Corp. 4323 627 439 258 Time Warner Communications, I 7132 583 659 133 Southwestern Bell Internet Se 209 540 2011 352 Qwest 7046 536 889 340 UUNET Technologies, Inc. 690 516 74 328 Merit Network 7066 485 203 254 Virginia Polytechnic Institut 7029 464 165 56 Alltel Information Services, 3549 434 828 314 Global Crossing 2914 396 2067 373 Verio, Inc. 15290 378 297 193 AT&T Canada IES 6197 370 547 36 BellSouth Network Solutions, 6347 345 370 77 SAVVIS Communications Corpora 2386 317 406 195 AT&T Data Communications Serv Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 558 532 China Education and Research 5515 647 459 Sonera Finland Autonomous Sys 7132 583 450 Southwestern Bell Internet Se 3908 935 432 Supernet, Inc. 7029 464 408 Alltel Information Services, 7843 643 404 Adelphia Corp. 4323 627 369 Time Warner Communications, I 1221 1258 357 Telstra Pty Ltd 7018 1298 355 AT&T 6197 370 334 BellSouth Network Solutions, 852 752 302 Telus Advanced Communications 4151 288 272 USDA 6347 345 268 SAVVIS Communications Corpora 1 702 251 GENUITY 4355 303 251 EarthLink, Inc. 3352 274 243 Ibernet, Internet Access Netw 7066 485 231 Virginia Polytechnic Institut 18566 231 227 Covad Communications 4755 293 216 Videsh Sanchar Nigam Ltd. Aut 7303 278 215 Telecom Argentina Stet-France List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 26108 UNALLOCATED 64.70.35.0/24 3967 Exodus Communication 55000 RESERVED 81.5.64.0/20 5467 MIPT-NET 65003 PRIVATE 202.92.64.0/24 9837 Powertel Ltd 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 65527 PRIVATE 206.98.160.0/24 6221 US Cybersites, Inc 65156 PRIVATE 206.98.164.0/24 6221 US Cybersites, Inc 65527 PRIVATE 206.98.236.0/24 6221 US Cybersites, Inc 65156 PRIVATE 206.98.244.0/24 6221 US Cybersites, Inc 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 65111 PRIVATE 207.51.32.0/24 6221 US Cybersites, Inc 65500 PRIVATE 208.144.80.0/24 6221 US Cybersites, Inc Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 88.128.0.0/17 9116 Goldenlines main autonomous s 88.128.128.0/17 9116 Goldenlines main autonomous s 88.129.0.0/17 9116 Goldenlines main autonomous s 88.129.128.0/17 9116 Goldenlines main autonomous s 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 192.83.69.0/24 5515 Sonera Finland Autonomous Sys 192.83.72.0/21 5515 Sonera Finland Autonomous Sys 192.83.80.0/20 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 192.108.46.0/23 680 DFN-IP service G-WiN 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 192.139.62.0/24 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 192.172.0.0/19 568 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 /13:86 /14:235 /15:415 /16:7258 /17:1455 /18:2658 /19:7696 /20:7434 /21:5233 /22:7938 /23:9714 /24:63113 /25:203 /26:180 /27:86 /28:70 /29:49 /30:72 /31:0 /32:22 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 702 554 911 UUNET Technologies, Inc. 701 511 1844 UUNET Technologies, Inc. 3908 511 935 Supernet, Inc. 690 458 516 Merit Network 7843 448 643 Adelphia Corp. 5515 407 647 Sonera Finland Autonomous Sys 7066 388 485 Virginia Polytechnic Institut 7029 367 464 Alltel Information Services, 7018 352 1298 AT&T 6197 256 370 BellSouth Network Solutions, 6198 238 310 BellSouth Network Solutions, 3301 234 397 TeliaNet Sweden 18566 227 231 Covad Communications 1239 214 821 Sprint 209 213 540 Qwest 3215 209 276 France Telecom / &Equant 1580 205 218 HQ, 5th Signal Command 3352 199 274 Ibernet, Internet Access Netw 7046 198 536 UUNET Technologies, Inc. 3320 196 263 Deutsche Telekom AG Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:502 13:10 15:2 17:6 20:3 24:750 25:1 32:41 38:9 40:6 44:1 57:13 61:297 62:227 63:1865 64:1192 65:1380 66:991 67:91 68:65 80:256 81:34 128:63 129:129 130:22 131:95 132:11 133:2 134:125 135:8 136:243 137:95 138:152 139:70 140:166 141:124 142:79 143:44 144:146 145:14 146:189 147:139 148:238 149:79 150:41 151:67 152:266 153:36 154:13 155:113 156:70 157:127 158:70 159:136 160:18 161:71 162:213 163:94 164:262 165:133 166:219 167:175 168:294 169:59 170:240 171:3 192:5507 193:2436 194:2177 195:920 196:410 198:3633 199:3170 200:2614 202:3323 203:4719 204:3235 205:2171 206:2609 207:2501 208:2601 209:2622 210:604 211:232 212:912 213:670 214:9 215:19 216:2821 217:472 218:28 End of report
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Routing Table Analysis