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 13 Jul, 2001 Analysis Summary ---------------- BGP routing table entries examined: 105113 Origin ASes present in the Internet Routing Table: 11289 Origin ASes announcing only one prefix: 4140 Transit ASes present in the Internet Routing Table: 1507 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: 22 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 16 Number of addresses announced to Internet: 1241668606 Equivalent to 74 /8s, 2 /16s and 91 /24s Percentage of available address space announced: 33.5 Percentage of allocated address space announced: 65.1 Percentage of available address space allocated: 51.5 Total number of prefixes smaller than registry allocations: 71526 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15479 Prefixes being announced from the APNIC address blocks: 13968 APNIC Region origin ASes present in the Internet Routing Table: 1321 APNIC Region origin ASes announcing only one prefix: 467 APNIC Region transit ASes present in the Internet Routing Table: 221 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 72982886 Equivalent to 4 /8s, 89 /16s and 161 /24s Percentage of available APNIC address space announced: 71.8 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431 APNIC Address Blocks 61/8, 202/7, 210/7 and 218/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 71856 Prefixes being announced from the ARIN address blocks: 51537 ARIN Region origin ASes present in the Internet Routing Table: 6806 ARIN Region origin ASes announcing only one prefix: 2015 ARIN Region transit ASes present in the Internet Routing Table: 711 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 13 Number of ARIN addresses announced to Internet: 201497460 Equivalent to 12 /8s, 2 /16s and 155 /24s Percentage of available ARIN address space announced: 80.1 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 - 22527 ARIN Address Blocks 24/8, 63/8, 64/6, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 17765 Prefixes being announced from the RIPE address blocks: 13726 RIPE Region origin ASes present in the Internet Routing Table: 3166 RIPE Region origin ASes announcing only one prefix: 1658 RIPE Region transit ASes present in the Internet Routing Table: 575 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 101358224 Equivalent to 6 /8s, 10 /16s and 154 /24s Percentage of available RIPE address space announced: 67.1 RIPE AS Blocks 1877 - 1901, 2042, 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 1673 1330 Telstra 2764 426 345 connect.com.au pty ltd 703 403 383 UUNET Technologies, Inc. 2907 367 1783 SINET Japan 4755 292 162 VSNL India 7474 242 293 Optus Communications 4134 233 1609 Data Communications Bureau 7539 208 181 TANet2, sponsored by NSC, TAI 4766 176 1242 KORnet Powered BY Korea Telec 7545 146 21 TPG Internet Pty Ltd 9443 136 38 INTERNETPRIMUS-AS-A 4786 130 17 NetConnect Communications Pty 4763 118 69 Telstra New Zealand 17561 115 151 Internet service provision to 7657 113 22 The Internet Group Limited 7586 112 17 Paradox Digital Pty. Ltd 9583 110 60 Satyam Infoway Ltd., 4740 109 15 Ozemail 4713 107 869 NTT-OCNET 4812 106 259 Shanghai Telecom Company RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 677 1849 UUNET Technologies, Inc. 3301 429 918 TeliaNet Sweden 15870 426 12 Global Center Frankfurt 719 413 337 LANLINK 1257 278 504 Swipnet AB 1270 249 868 UUNET Germany 680 232 2069 Deutschef Forschurgsnetz 3215 219 495 RAIN 15878 210 8 Global Center Paris 786 184 1890 JANET IP Service 3246 182 170 Clinet 5515 179 654 Sonera Finland 3320 169 1410 Deutsche Telekom AG 8708 148 15 Romania Data System 5400 140 68 Concert Internet Plus Europea 3303 130 575 Swisscom 517 125 272 Xlink 2856 123 776 BTnet UK Regional network 5549 118 66 Seicom Computer Gmb 1267 106 1986 IUnet S.p.A ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2313 8151 UUNET Technologies, Inc. 7018 963 7050 AT&T 1 902 8714 BBN Planet 7046 753 1092 UUNET Technologies, Inc. 1239 674 3322 Sprint ICM-Inria 690 554 97 Merit Network 2914 517 2317 Verio, Inc. 209 494 1876 Qwest 4293 494 99 Cable & Wireless USA 3561 431 2448 Cable & Wireless USA 2149 416 377 Performance Systems, Inc. 3908 416 583 Supernet, Inc. 2548 414 996 Digital Express Group, Inc. 18994 408 10 Global Crossing 3549 349 813 Global Crossing 11371 337 100 Rhythms NetConnections 4323 333 298 Time Warner Communications, I 3967 330 448 Exodus Communication 15290 323 342 AT&T Canada IES 18993 314 8 Global Crossing Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2313 8151 UUNET Technologies, Inc. 1221 1673 1330 Telstra 7018 963 7050 AT&T 1 902 8714 BBN Planet 7046 753 1092 UUNET Technologies, Inc. 702 677 1849 UUNET Technologies, Inc. 1239 674 3322 Sprint ICM-Inria 690 554 97 Merit Network 2914 517 2317 Verio, Inc. 209 494 1876 Qwest 4293 494 99 Cable & Wireless USA 3561 431 2448 Cable & Wireless USA 3301 429 918 TeliaNet Sweden 2764 426 345 connect.com.au pty ltd 15870 426 12 Global Center Frankfurt 2149 416 377 Performance Systems, Inc. 3908 416 583 Supernet, Inc. 2548 414 996 Digital Express Group, Inc. 719 413 337 LANLINK 18994 408 10 Global Crossing List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 578 UNALLOCATED 64.230.242.0/28 577 Bell Canada 578 UNALLOCATED 64.230.242.16/28 577 Bell Canada 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 1877 UNALLOCATED 192.108.196.0/24 1800 SPRINT 1877 UNALLOCATED 192.108.209.0/24 1880 Stupi, house man's 1877 UNALLOCATED 192.108.210.0/24 1880 Stupi, house man's 1877 UNALLOCATED 192.108.214.0/24 1800 SPRINT 5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies, 65000 PRIVATE 194.100.160.0/24 3246 Clinet 65000 PRIVATE 194.100.161.0/24 3246 Clinet 65000 PRIVATE 194.100.162.0/24 3246 Clinet 65000 PRIVATE 194.100.163.0/24 3246 Clinet 65000 PRIVATE 194.100.164.0/24 3246 Clinet 65000 PRIVATE 194.100.165.0/24 3246 Clinet 65000 PRIVATE 194.100.166.0/24 3246 Clinet 65000 PRIVATE 194.100.167.0/24 3246 Clinet 65000 PRIVATE 194.100.168.0/24 3246 Clinet 65000 PRIVATE 194.100.169.0/24 3246 Clinet 65000 PRIVATE 194.100.170.0/24 3246 Clinet 65000 PRIVATE 194.100.201.0/24 3246 Clinet 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 99.0.0.0/8 9638 National Agricultural Coopera 128.65.0.0/16 3463 ACES Research Inc 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 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 US DOD NIC Unregistered 172.32.1.0/25 1221 Telstra 172.122.0.0/16 701 UUNET Technologies, Inc. 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 /8:20 /9:5 /10:6 /11:9 /12:33 /13:80 /14:211 /15:354 /16:6913 /17:1190 /18:2231 /19:6742 /20:5376 /21:4511 /22:6849 /23:8673 /24:59597 /25:293 /26:364 /27:436 /28:449 /29:364 /30:338 /31:1 /32:68 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1221 1518 1673 Telstra 701 1452 2313 UUNET Technologies, Inc. 7046 586 753 UUNET Technologies, Inc. 690 550 554 Merit Network 4293 478 494 Cable & Wireless USA 7018 474 963 AT&T 702 427 677 UUNET Technologies, Inc. 1 424 902 BBN Planet 15870 422 426 Global Center Frankfurt 18994 406 408 Global Crossing 2764 382 426 connect.com.au pty ltd 209 370 494 Qwest 1239 358 674 Sprint ICM-Inria 703 332 403 UUNET Technologies, Inc. 11371 324 337 Rhythms NetConnections 3908 314 416 Supernet, Inc. 18993 310 314 Global Crossing 2548 304 414 Digital Express Group, Inc. 4323 286 333 Time Warner Communications, I 8013 278 308 PSINet Ltd. Canada Advertised prefixes smaller than registry allocations (per /8 block) -------------------------------------------------------------------- 4:1 6:12 9:6 12:575 13:13 15:11 17:13 20:6 24:947 26:1 32:37 38:224 40:2 43:4 44:11 45:1 47:40 52:2 53:4 55:1 56:5 57:15 61:118 62:197 63:2506 64:2730 65:987 66:741 80:39 128:61 129:197 130:54 131:66 132:40 133:1 134:234 135:12 136:36 137:212 138:234 139:87 140:254 141:226 142:122 143:98 144:200 145:29 146:193 147:180 148:236 149:136 150:63 151:264 152:1079 153:38 154:24 155:146 156:92 157:156 158:113 159:80 160:85 161:146 162:161 163:193 164:170 165:248 166:257 167:156 168:204 169:54 170:436 171:20 172:1 192:32 193:2755 194:2799 195:1105 196:3 198:6 199:3875 200:2705 202:3761 203:5773 204:4316 205:2903 206:4093 207:3638 208:5201 209:4101 210:772 211:295 212:1175 213:719 216:4716 217:450 218:3 End of report
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Routing Analysis