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 29 Jun, 2001 Analysis Summary ---------------- BGP routing table entries examined: 104794 Origin ASes present in the Internet Routing Table: 11171 Origin ASes announcing only one prefix: 4078 Transit ASes present in the Internet Routing Table: 1506 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: 17 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: 1220255575 Equivalent to 72 /8s, 187 /16s and 159 /24s Percentage of available address space announced: 32.9 Percentage of allocated address space announced: 63.9 Percentage of available address space allocated: 51.5 Total number of prefixes smaller than registry allocations: 71483 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15432 Prefixes being announced from the APNIC address blocks: 13952 APNIC Region origin ASes present in the Internet Routing Table: 1300 APNIC Region origin ASes announcing only one prefix: 460 APNIC Region transit ASes present in the Internet Routing Table: 226 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 71940112 Equivalent to 4 /8s, 73 /16s and 184 /24s Percentage of available APNIC address space announced: 70.7 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: 72256 Prefixes being announced from the ARIN address blocks: 51765 ARIN Region origin ASes present in the Internet Routing Table: 6765 ARIN Region origin ASes announcing only one prefix: 1997 ARIN Region transit ASes present in the Internet Routing Table: 712 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 199482914 Equivalent to 11 /8s, 227 /16s and 222 /24s Percentage of available ARIN address space announced: 79.3 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 - 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: 17106 Prefixes being announced from the RIPE address blocks: 13174 RIPE Region origin ASes present in the Internet Routing Table: 3115 RIPE Region origin ASes announcing only one prefix: 1621 RIPE Region transit ASes present in the Internet Routing Table: 567 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 100641302 Equivalent to 5 /8s, 255 /16s and 170 /24s Percentage of available RIPE address space announced: 66.7 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 1722 1346 Telstra 2764 428 329 connect.com.au pty ltd 2907 367 1767 SINET Japan 703 354 360 UUNET Technologies, Inc. 4755 299 171 VSNL India 7474 234 292 Optus Communications 4134 228 1509 Data Communications Bureau 7539 209 183 TANet2, sponsored by NSC, TAI 4766 177 1258 KORnet Powered BY Korea Telec 4740 151 36 Ozemail 7545 143 21 TPG Internet Pty Ltd 9443 133 38 INTERNETPRIMUS-AS-A 4786 127 15 NetConnect Communications Pty 7657 125 23 The Internet Group Limited 4763 117 85 Telstra New Zealand 17561 115 151 Internet service provision to 9583 113 59 Satyam Infoway Ltd., 7586 112 17 Paradox Digital Pty. Ltd 4713 107 869 NTT-OCNET 4732 106 358 DDI Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 661 1837 UUNET Technologies, Inc. 15870 430 12 Global Center Frankfurt 3301 413 917 TeliaNet Sweden 1257 282 504 Swipnet AB 1270 258 870 UUNET Germany 680 230 2053 Deutschef Forschurgsnetz 15878 217 9 Global Center Paris 3215 216 495 RAIN 719 185 291 LANLINK 786 184 1904 JANET IP Service 5515 175 654 Sonera Finland 3320 167 1410 Deutsche Telekom AG 8708 141 14 Romania Data System 5400 138 68 Concert Internet Plus Europea 517 130 272 Xlink 3303 130 576 Swisscom 2856 120 776 BTnet UK Regional network 1267 106 1986 IUnet S.p.A 1290 95 406 PSINet UK Ltd. 3269 93 664 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2473 8054 UUNET Technologies, Inc. 7018 954 7103 AT&T 1 912 8730 BBN Planet 7046 738 1087 UUNET Technologies, Inc. 1239 660 3299 Sprint ICM-Inria 3491 555 385 CAIS Internet 2914 546 2328 Verio, Inc. 690 542 78 Merit Network 4293 498 101 Cable & Wireless USA 3908 492 567 Supernet, Inc. 209 485 1856 Qwest 3561 469 2452 Cable & Wireless USA 18994 415 10 Global Crossing 2548 414 980 Digital Express Group, Inc. 3549 387 849 Global Crossing 2149 384 391 Performance Systems, Inc. 705 342 57 UUNET Technologies, Inc. 11371 334 100 Rhythms NetConnections 3967 327 453 Exodus Communication 15290 322 370 AT&T Canada IES Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2473 8054 UUNET Technologies, Inc. 1221 1722 1346 Telstra 7018 954 7103 AT&T 1 912 8730 BBN Planet 7046 738 1087 UUNET Technologies, Inc. 702 661 1837 UUNET Technologies, Inc. 1239 660 3299 Sprint ICM-Inria 3491 555 385 CAIS Internet 2914 546 2328 Verio, Inc. 690 542 78 Merit Network 4293 498 101 Cable & Wireless USA 3908 492 567 Supernet, Inc. 209 485 1856 Qwest 3561 469 2452 Cable & Wireless USA 15870 430 12 Global Center Frankfurt 2764 428 329 connect.com.au pty ltd 18994 415 10 Global Crossing 2548 414 980 Digital Express Group, Inc. 3301 413 917 TeliaNet Sweden 3549 387 849 Global Crossing List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 578 UNALLOCATED 64.230.242.0/27 577 Bell Canada 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 6020 UNALLOCATED 164.233.0.0/16 209 Qwest 5962 UNALLOCATED 192.41.249.0/24 721 DLA Systems Automati 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, 9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation 9700 UNALLOCATED 203.255.208.0/24 3786 DACOM Corporation 9700 UNALLOCATED 203.255.209.0/24 3786 DACOM Corporation 9700 UNALLOCATED 203.255.210.0/24 3786 DACOM Corporation 9700 UNALLOCATED 203.255.211.0/24 3786 DACOM Corporation 5954 UNALLOCATED 204.130.191.0/24 721 DLA Systems Automati 5979 UNALLOCATED 206.197.206.0/24 721 DLA Systems Automati 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 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 >>UNKNOWN<< 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 /8:19 /9:5 /10:6 /11:9 /12:32 /13:78 /14:212 /15:352 /16:6895 /17:1188 /18:2185 /19:6725 /20:5319 /21:4487 /22:6787 /23:8637 /24:59443 /25:294 /26:376 /27:508 /28:463 /29:372 /30:316 /31:1 /32:85 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1612 2473 UUNET Technologies, Inc. 1221 1565 1722 Telstra 7046 573 738 UUNET Technologies, Inc. 690 539 542 Merit Network 3491 530 555 CAIS Internet 4293 481 498 Cable & Wireless USA 7018 459 954 AT&T 1 429 912 BBN Planet 15870 426 430 Global Center Frankfurt 702 417 661 UUNET Technologies, Inc. 18994 413 415 Global Crossing 3908 390 492 Supernet, Inc. 2764 384 428 connect.com.au pty ltd 209 365 485 Qwest 1239 344 660 Sprint ICM-Inria 11371 321 334 Rhythms NetConnections 18993 316 320 Global Crossing 2548 306 414 Digital Express Group, Inc. 705 298 342 UUNET Technologies, Inc. 703 288 354 UUNET Technologies, Inc. Advertised prefixes smaller than registry allocations (per /8 block) -------------------------------------------------------------------- 4:1 6:12 9:6 12:569 13:13 15:11 17:13 20:4 24:867 26:1 32:33 35:4 38:464 40:2 44:11 45:1 47:38 52:2 53:4 55:1 56:5 57:16 61:94 62:202 63:2552 64:2731 65:1093 66:719 80:17 128:59 129:200 130:54 131:63 132:39 133:1 134:231 135:16 136:36 137:176 138:277 139:85 140:247 141:226 142:113 143:98 144:189 145:31 146:192 147:145 148:203 149:129 150:59 151:262 152:1117 153:38 154:27 155:143 156:75 157:157 158:101 159:104 160:73 161:136 162:162 163:217 164:181 165:239 166:256 167:153 168:199 169:55 170:435 171:20 172:1 192:34 193:2559 194:2726 195:1027 196:4 198:6 199:3857 200:2716 202:3735 203:5852 204:4343 205:2903 206:4127 207:3729 208:5217 209:4125 210:778 211:282 212:1170 213:619 216:4748 217:417 218:3 End of report
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Routing Analysis