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 Fri 21 Dec, 2001 Analysis Summary ---------------- BGP routing table entries examined: 108272 Prefixes after maximum aggregation: 71920 Unique aggregates announced to Internet: 52032 Total ASes present in the Internet Routing Table: 12309 Origin-only ASes present in the Internet Routing Table: 10690 Origin ASes announcing only one prefix: 4617 Transit ASes present in the Internet Routing Table: 1619 Transit-only ASes present in the Internet Routing Table: 56 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 16 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: 15 Number of addresses announced to Internet: 1144719040 Equivalent to 68 /8s, 59 /16s and 6 /24s Percentage of available address space announced: 30.9 Percentage of allocated address space announced: 58.4 Percentage of available address space allocated: 52.8 Total number of prefixes smaller than registry allocations: 73022 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 17066 Total APNIC prefixes after maximum aggregation: 10574 Prefixes being announced from the APNIC address blocks: 15483 Unique aggregates announced from the APNIC address blocks: 9799 APNIC Region origin ASes present in the Internet Routing Table: 1426 APNIC Region origin ASes announcing only one prefix: 467 APNIC Region transit ASes present in the Internet Routing Table: 241 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 77823344 Equivalent to 4 /8s, 163 /16s and 125 /24s Percentage of available APNIC address space announced: 57.5 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 220/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 73280 Total ARIN prefixes after maximum aggregation: 47428 Prefixes being announced from the ARIN address blocks: 52651 Unique aggregates announced from the ARIN address blocks: 16942 ARIN Region origin ASes present in the Internet Routing Table: 7291 ARIN Region origin ASes announcing only one prefix: 2244 ARIN Region transit ASes present in the Internet Routing Table: 743 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 180579276 Equivalent to 10 /8s, 195 /16s and 107 /24s Percentage of available ARIN address space announced: 67.3 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 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: 17921 Total RIPE prefixes after maximum aggregation: 13918 Prefixes being announced from the RIPE address blocks: 14615 Unique aggregates announced from the RIPE address blocks: 9696 RIPE Region origin ASes present in the Internet Routing Table: 3536 RIPE Region origin ASes announcing only one prefix: 1906 RIPE Region transit ASes present in the Internet Routing Table: 625 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 104469248 Equivalent to 6 /8s, 58 /16s and 19 /24s Percentage of available RIPE address space announced: 69.2 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 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 1504 1261 1042 Telstra Pty Ltd 2764 399 376 373 connect.com.au pty ltd 703 398 346 305 UUNET Technologies, Inc. 2907 370 1832 340 SINET Japan 7474 310 285 201 Optus Communications Pty Ltd 4755 294 117 81 Videsh Sanchar Nigam Ltd. Aut 4134 268 1890 96 Data Communications Bureau 2521 190 165 28 PSINet Japan 4766 185 1395 135 Korea Internet Exchange for " 1659 175 924 34 Taiwan Academic Network (TANe 17557 174 13 83 Pakistan Telecom 9443 172 45 68 Primus Telecommunications 9583 150 32 3 Satyam Infoway Ltd., 4740 149 34 123 OzEmail ISP 7539 143 136 142 TANet2, sponsored by NSC, TAI 9768 142 381 87 Korea Telecom 4812 137 192 34 China Telecom (Group) - Shang 17676 125 1920 7 XTAGE CORPORATION 4713 120 942 107 NTT Communications Corporatio 7657 119 21 78 The Internet Group Limited RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1095 2688 864 UUNET Technologies, Inc. 3301 425 925 354 TeliaNet Sweden 1257 253 473 250 SWIPnet Swedish IP Network 3215 235 555 151 France Telecom / &Equant 680 233 2149 231 DFN-IP service G-WiN 5515 217 721 177 Sonera Finland Autonomous Sys 3320 186 1960 165 Deutsche Telekom AG 786 182 1874 182 The JANET IP Service 719 164 289 118 LANLINK autonomous system 8708 148 20 140 Romania Data Systems S.A. 5400 147 59 84 Concert European Core Network 5549 141 78 62 Nextra Deutschland GmbH + Co. 2856 136 777 125 BTnet UK Regional network 3303 134 575 124 Swisscom Ltd 8895 116 89 40 Saudi Arabia AS 3269 114 662 70 TELECOM ITALIA 12302 112 7 36 MobiFon S.A. 517 109 232 107 KPNQwest Germany GmbH 8297 107 31 64 Teleglobe Autonomous System i 5511 99 192 79 France Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 2159 8829 1528 UUNET Technologies, Inc. 7018 1110 7353 868 AT&T 3967 955 363 474 Exodus Communication 705 925 377 404 UUNET Technologies, Inc. 1 873 8404 648 BBN Planet 1239 783 3169 606 Sprint 3908 764 1623 479 Supernet, Inc. 8010 719 62 12 PublicNet Communications, Inc 7046 698 823 450 UUNET Technologies, Inc. 209 614 1861 297 Qwest 4323 586 364 201 Time Warner Communications, I 852 578 977 381 Telus Advanced Communications 690 529 76 316 Merit Network 2914 462 2212 433 Verio, Inc. 3549 404 837 202 Global Crossing 2149 403 214 337 Performance Systems, Inc. 7132 400 468 166 Southwestern Bell Internet Se 3561 383 2269 330 Cable & Wireless USA 577 350 587 218 Bell Advanced Communications 3741 350 730 239 The Internet Solution Global Per AS Maximum Aggr summary ---------------------------------- ASN Net Savings Description 8010 707 PublicNet Communications, Inc 705 521 UUNET Technologies, Inc. 3967 481 Exodus Communication 1221 462 Telstra Pty Ltd 4323 385 Time Warner Communications, I 4151 326 USDA 209 317 Qwest 3908 285 Supernet, Inc. 11371 271 Rhythms NetConnections 7046 248 UUNET Technologies, Inc. 7018 242 AT&T 6347 238 SAVVIS Communications Corpora 7132 234 Southwestern Bell Internet Se 702 231 UUNET Technologies, Inc. 1 225 BBN Planet 690 213 Merit Network 4755 213 Videsh Sanchar Nigam Ltd. Aut 3549 202 Global Crossing 4355 198 EarthLink, Inc. 852 197 Telus Advanced Communications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65500 PRIVATE 62.40.11.0/24 8469 PIRONET NDH AG 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 65500 PRIVATE 195.227.39.0/24 8469 PIRONET NDH AG 65500 PRIVATE 195.227.73.0/24 8469 PIRONET NDH AG 65500 PRIVATE 195.227.79.0/24 8469 PIRONET NDH AG 65500 PRIVATE 195.227.88.0/24 8469 PIRONET NDH AG 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 134.137.0.0/16 400 Headquarters Standard Systems 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 BBN Planet 144.7.0.0/16 701 UUNET Technologies, Inc. 153.34.0.0/15 701 UUNET Technologies, Inc. 153.36.0.0/14 701 UUNET Technologies, Inc. 154.150.0.0/16 6494 IDCI 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 164.235.0.0/16 6025 US DOD NIC Unregistered 191.9.200.0/24 1290 PSINet UK Ltd. 201.115.100.0/24 7018 AT&T Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:5 /10:7 /11:11 /12:37 /13:90 /14:227 /15:390 /16:7078 /17:1375 /18:2466 /19:7184 /20:6254 /21:4731 /22:7188 /23:8914 /24:60996 /25:316 /26:302 /27:208 /28:173 /29:114 /30:147 /31:0 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1380 2159 UUNET Technologies, Inc. 1221 1358 1504 Telstra Pty Ltd 705 808 925 UUNET Technologies, Inc. 3967 773 955 Exodus Communication 702 712 1095 UUNET Technologies, Inc. 8010 703 719 PublicNet Communications, Inc 7018 577 1110 AT&T 7046 534 698 UUNET Technologies, Inc. 3908 527 764 Supernet, Inc. 690 526 529 Merit Network 4323 496 586 Time Warner Communications, I 1239 449 783 Sprint 1 448 873 BBN Planet 209 444 614 Qwest 852 368 578 Telus Advanced Communications 2764 354 399 connect.com.au pty ltd 703 323 398 UUNET Technologies, Inc. 2149 306 403 Performance Systems, Inc. 4151 296 342 USDA 7474 275 310 Optus Communications Pty Ltd Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 9:1 12:446 13:10 15:2 17:5 20:1 24:805 25:1 32:73 38:14 40:4 43:1 44:2 52:1 53:2 57:13 61:167 62:155 63:2370 64:1497 65:1019 66:744 67:17 68:6 80:131 128:61 129:112 130:24 131:43 132:14 133:2 134:127 135:10 136:120 137:107 138:63 139:30 140:102 141:57 142:65 143:44 144:55 145:12 146:216 147:95 148:155 149:88 150:41 151:38 152:391 153:34 154:6 155:83 156:85 157:120 158:70 159:77 160:45 161:54 162:84 163:130 164:125 165:100 166:206 167:162 168:115 169:48 170:299 171:2 191:1 192:5359 193:2074 194:2068 195:839 196:430 198:3759 199:3316 200:2407 201:1 202:2873 203:4533 204:3325 205:2174 206:2588 207:2679 208:2608 209:2945 210:570 211:151 212:953 213:556 214:9 215:15 216:2950 217:395 218:11 End of report
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Routing Table Analysis