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 26 Oct, 2001 Analysis Summary ---------------- BGP routing table entries examined: 109470 Origin ASes present in the Internet Routing Table: 11961 Origin ASes announcing only one prefix: 4434 Transit ASes present in the Internet Routing Table: 1580 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: 50 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: 1255266365 Equivalent to 74 /8s, 209 /16s and 216 /24s Percentage of available address space announced: 33.9 Percentage of allocated address space announced: 64.6 Percentage of available address space allocated: 52.4 Total number of prefixes smaller than registry allocations: 74577 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16784 Prefixes being announced from the APNIC address blocks: 15268 APNIC Region origin ASes present in the Internet Routing Table: 1382 APNIC Region origin ASes announcing only one prefix: 459 APNIC Region transit ASes present in the Internet Routing Table: 240 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 83195575 Equivalent to 4 /8s, 245 /16s and 118 /24s Percentage of available APNIC address space announced: 70.2 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7 and 218/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 74655 Prefixes being announced from the ARIN address blocks: 53426 ARIN Region origin ASes present in the Internet Routing Table: 7182 ARIN Region origin ASes announcing only one prefix: 2161 ARIN Region transit ASes present in the Internet Routing Table: 733 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 219300485 Equivalent to 13 /8s, 18 /16s and 66 /24s Percentage of available ARIN address space announced: 81.7 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: 18031 Prefixes being announced from the RIPE address blocks: 14444 RIPE Region origin ASes present in the Internet Routing Table: 3401 RIPE Region origin ASes announcing only one prefix: 1814 RIPE Region transit ASes present in the Internet Routing Table: 606 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 109440750 Equivalent to 6 /8s, 133 /16s and 238 /24s Percentage of available RIPE address space announced: 72.5 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 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 Description 1221 1574 1307 Telstra Pty Ltd 2764 408 359 connect.com.au pty ltd 703 377 361 UUNET Technologies, Inc. 2907 374 1865 SINET Japan 4755 300 163 Videsh Sanchar Nigam Ltd. Aut 7474 292 274 Optus Communications Pty Ltd 4134 251 1881 Data Communications Bureau 4766 186 1466 Korea Internet Exchange for " 4740 173 26 OzEmail ISP 1659 172 1173 Taiwan Academic Network (TANe 7539 162 157 TANet2, sponsored by NSC, TAI 9443 160 52 Primus Telecommunications 17557 143 9 Pakistan Telecom 2521 139 171 PSINet Japan 4812 132 298 China Telecom (Group) 9768 131 363 Korea Telecom 4786 123 14 NetConnect Communications Pty 9583 123 53 Satyam Infoway Ltd., 4763 121 69 Telstra New Zealand 4713 118 901 NTT Communications Corporatio RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 941 1943 UUNET Technologies, Inc. 3301 435 950 TeliaNet Sweden 1257 273 516 SWIPnet Swedish IP Network 680 241 2309 DFN-IP service G-WiN 3215 236 539 France Telecom / &Equant 5515 195 688 Sonera Finland Autonomous Sys 3320 193 1941 Deutsche Telekom AG 786 185 1890 The JANET IP Service 8708 164 17 Romania Data Systems S.A. 5495 162 3 University Network 15870 141 10 Global Center Frankfurt 5400 139 64 Concert European Core Network 719 133 289 LANLINK autonomous system 3303 130 560 Swisscom Ltd 2856 129 776 BTnet UK Regional network 1270 127 724 UUNET Germany 5549 124 82 Nextra Deutschland GmbH + Co. 1103 119 3974 SURFnet BV 15878 115 9 Global Center Paris 517 112 252 KPNQwest Germany GmbH ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2279 9099 UUNET Technologies, Inc. 3908 1175 1691 Supernet, Inc. 7018 1077 7325 AT&T 7046 863 1024 UUNET Technologies, Inc. 1 849 8541 BBN Planet 1239 733 3242 Sprint 209 576 2238 Qwest 3967 542 461 Exodus Communication 690 507 74 Merit Network 2914 470 2265 Verio, Inc. 4293 450 113 Cable & Wireless USA 2149 410 329 Performance Systems, Inc. 3561 403 2350 Cable & Wireless USA 4323 402 372 Time Warner Communications, I 3549 387 843 Global Crossing 577 353 636 Bell Advanced Communications 705 352 64 UUNET Technologies, Inc. 15290 343 339 AT&T Canada IES 3741 342 757 The Internet Solution 4151 337 1250 USDA Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2279 9099 UUNET Technologies, Inc. 1221 1574 1307 Telstra Pty Ltd 3908 1175 1691 Supernet, Inc. 7018 1077 7325 AT&T 702 941 1943 UUNET Technologies, Inc. 7046 863 1024 UUNET Technologies, Inc. 1 849 8541 BBN Planet 1239 733 3242 Sprint 209 576 2238 Qwest 3967 542 461 Exodus Communication 690 507 74 Merit Network 2914 470 2265 Verio, Inc. 4293 450 113 Cable & Wireless USA 3301 435 950 TeliaNet Sweden 2149 410 329 Performance Systems, Inc. 2764 408 359 connect.com.au pty ltd 3561 403 2350 Cable & Wireless USA 4323 402 372 Time Warner Communications, I 3549 387 843 Global Crossing 703 377 361 UUNET Technologies, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.16.0/20 2914 Verio, Inc. 6971 UNALLOCATED 64.42.32.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.56.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.64.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.80.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.104.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.108.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc. 6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw 22141 UNALLOCATED 65.208.26.0/23 701 UUNET Technologies, 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 6971 UNALLOCATED 192.103.229.0/24 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.230.0/23 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.232.0/22 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.236.0/23 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.237.0/24 2516 Kokusai Denshin Denw 6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw 6971 UNALLOCATED 206.58.248.0/22 2516 Kokusai Denshin Denw 6971 UNALLOCATED 206.58.248.0/21 2516 Kokusai Denshin Denw 6971 UNALLOCATED 206.58.252.0/23 2914 Verio, Inc. 6971 UNALLOCATED 206.58.254.0/23 2914 Verio, Inc. 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.192.0/21 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.192.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.200.0/23 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.200.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.174.208.0/20 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.232.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.210.140.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.160.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.210.176.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.210.184.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.200.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.216.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.220.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.224.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.210.232.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.236.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.240.0/20 2914 Verio, Inc. 6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 128.65.0.0/16 3463 ACES Research Inc 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 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 /11:12 /12:34 /13:89 /14:227 /15:392 /16:7025 /17:1311 /18:2434 /19:7064 /20:6020 /21:4830 /22:7179 /23:9217 /24:61749 /25:346 /26:348 /27:294 /28:312 /29:162 /30:203 /31:1 /32:191 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1459 2279 UUNET Technologies, Inc. 1221 1429 1574 Telstra Pty Ltd 3908 891 1175 Supernet, Inc. 7046 685 863 UUNET Technologies, Inc. 702 639 941 UUNET Technologies, Inc. 7018 567 1077 AT&T 690 504 507 Merit Network 4293 435 450 Cable & Wireless USA 1 410 849 BBN Planet 209 409 576 Qwest 1239 407 733 Sprint 3967 369 542 Exodus Communication 2764 363 408 connect.com.au pty ltd 4323 339 402 Time Warner Communications, I 5102 322 335 Ameritech Advanced Data Servi 703 309 377 UUNET Technologies, Inc. 705 299 352 UUNET Technologies, Inc. 11371 297 308 Rhythms NetConnections 4151 294 337 USDA 2149 286 410 Performance Systems, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:5 9:1 12:431 13:10 15:1 17:5 20:1 24:818 25:1 26:1 32:75 38:13 43:2 44:2 47:2 52:1 53:2 57:13 61:106 62:155 63:1956 64:1355 65:876 66:505 67:3 80:73 128:52 129:108 130:26 131:47 132:13 133:2 134:132 135:8 136:106 137:108 138:194 139:51 140:201 141:56 142:62 143:39 144:145 145:13 146:229 147:129 148:219 149:88 150:44 151:190 152:383 153:51 154:22 155:84 156:85 157:111 158:73 159:70 160:46 161:60 162:70 163:161 164:117 165:127 166:208 167:157 168:122 169:40 170:287 171:2 192:5432 193:2007 194:2096 195:838 196:460 198:3793 199:3520 200:2458 201:1 202:2822 203:4555 204:3384 205:2206 206:2864 207:2619 208:3039 209:3114 210:592 211:150 212:893 213:527 214:9 215:16 216:2989 217:412 218:2 End of report