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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 26 Apr, 2001
Analysis Summary
----------------
BGP routing table entries examined: 104071
Origin ASes present in the Internet Routing Table: 10649
Origin ASes announcing only one prefix: 3861
Transit ASes present in the Internet Routing Table: 1433
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 15
Illegal AS announcements present in the Routing Table: 24
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 3
Number of addresses announced to Internet: 1239431683
Equivalent to 73 /8s, 224 /16s and 58 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15819
Prefixes being announced from the APNIC address blocks: 14339
APNIC Region origin ASes present in the Internet Routing Table: 1232
APNIC Region origin ASes announcing only one prefix: 442
APNIC Region transit ASes present in the Internet Routing Table: 198
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 71349638
Equivalent to 4 /8s, 64 /16s and 181 /24s
Percentage of available APNIC address space announced: 70.1
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: 72147
Prefixes being announced from the ARIN address blocks: 49323
ARIN Region origin ASes present in the Internet Routing Table: 6482
ARIN Region origin ASes announcing only one prefix: 1927
ARIN Region transit ASes present in the Internet Routing Table: 685
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 12
Number of ARIN addresses announced to Internet: 180905110
Equivalent to 10 /8s, 200 /16s and 100 /24s
Percentage of available ARIN address space announced: 82.9
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
ARIN Address Blocks 63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 16081
Prefixes being announced from the RIPE address blocks: 12827
RIPE Region origin ASes present in the Internet Routing Table: 2934
RIPE Region origin ASes announcing only one prefix: 1492
RIPE Region transit ASes present in the Internet Routing Table: 549
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 96815705
Equivalent to 5 /8s, 197 /16s and 74 /24s
Percentage of available RIPE address space announced: 82.4
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, 193/8, 194/7, 212/7 and 217/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /19 equiv Description
1221 1994 691 Telstra
2764 427 139 connect.com.au pty ltd
703 388 205 UUNET Technologies, Inc.
2907 363 875 SINET Japan
4755 313 111 VSNL India
4538 295 1040 China Education and Research
7539 219 101 Delegated to TWNIC for subseq
4134 194 611 Data Communications Bureau
4766 186 766 KORnet Powered BY Korea Telec
7474 183 85 Optus Communications
7657 173 13 The Internet Group Limited
9269 161 22 Hong Kong CTI
1237 155 70 System Engineering Research I
4740 152 10 Ozemail
17561 151 61 Internet service provision to
7545 147 10 TPG Internet Pty Ltd
4786 127 7 NetConnect Communications Pty
7617 124 46 One.Net Pty Ltd
7586 121 9 Paradox Digital Pty. Ltd
9443 121 22 INTERNETPRIMUS-AS-A
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 482 646 UUNET Technologies, Inc.
3301 377 327 TeliaNet Sweden
1257 277 263 Swipnet AB
1270 276 448 UUNET Germany
680 209 922 Deutschef Forschurgsnetz
3215 205 227 RAIN
719 190 146 LANLINK
5515 190 336 Sonera Finland
786 184 951 JANET IP Service
3320 160 710 Deutsche Telekom AG
5400 129 41 Concert Internet Plus Europea
517 127 134 Xlink
3303 124 298 Swisscom
2856 122 388 BTnet UK Regional network
8708 117 5 Romania Data System
1290 116 206 PSINet UK Ltd.
1849 105 223 UUNET UK (formerly PIPEX)
1267 101 978 IUnet S.p.A
1901 97 77 EUnet Austria
3269 85 277 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2355 3639 UUNET Technologies, Inc.
705 1688 65 UUNET Technologies, Inc.
7018 968 3159 AT&T
1 962 4472 BBN Planet
7046 777 553 UUNET Technologies, Inc.
1239 637 1579 Sprint ICM-Inria
2914 607 1195 Verio, Inc.
3561 560 1249 Cable & Wireless USA
174 536 2782 PSINet Inc.
3549 500 515 Global Crossing
4293 477 51 Cable & Wireless USA
209 454 715 Qwest
690 438 44 Merit Network
2548 400 514 Digital Express Group, Inc.
3908 375 262 Supernet, Inc.
8151 365 226 UniNet S.A. de C.V.
3602 347 72 Sprint Canada
4323 337 136 Time Warner Communications, I
3967 336 226 Exodus Communication
8013 335 39 PSINet Ltd. Canada
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2355 3639 UUNET Technologies, Inc.
1221 1994 691 Telstra
705 1688 65 UUNET Technologies, Inc.
7018 968 3159 AT&T
1 962 4472 BBN Planet
7046 777 553 UUNET Technologies, Inc.
1239 637 1579 Sprint ICM-Inria
2914 607 1195 Verio, Inc.
3561 560 1249 Cable & Wireless USA
174 536 2782 PSINet Inc.
3549 500 515 Global Crossing
702 482 646 UUNET Technologies, Inc.
4293 477 51 Cable & Wireless USA
209 454 715 Qwest
690 438 44 Merit Network
2764 427 139 connect.com.au pty ltd
2548 400 514 Digital Express Group, Inc.
703 388 205 UUNET Technologies, Inc.
3301 377 327 TeliaNet Sweden
3908 375 262 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
60002 RESERVED 64.76.148.0/24 19583 CHILE S.A.
2027 UNALLOCATED 150.185.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
2027 UNALLOCATED 150.186.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.187.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.188.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.189.0.0/16 10530 Interpacket Group, I
64842 PRIVATE 164.159.151.0/24 19143 Fish and Wildlife Se
64842 PRIVATE 164.159.152.0/22 19143 Fish and Wildlife Se
64842 PRIVATE 164.159.159.0/24 19143 Fish and Wildlife Se
64842 PRIVATE 164.159.160.0/24 19143 Fish and Wildlife Se
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,
60002 RESERVED 200.9.98.0/24 6429 RdC Internet
60002 RESERVED 200.9.99.0/24 6429 RdC Internet
65535 PRIVATE 203.24.169.0/24 17486 Swiftel Communicatio
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
5555 UNALLOCATED 205.110.64.0/24 721 DLA Systems Automati
5555 UNALLOCATED 205.110.68.0/22 721 DLA Systems Automati
5555 UNALLOCATED 205.110.72.0/21 721 DLA Systems Automati
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised IANA Reserved Addresses
----------------------------------
Network Origin AS Description
201.115.100.0/24 7018 AT&T
223.255.46.0/24 6853 GLOBAL-ONE-PORTUGAL
223.255.70.0/24 6853 GLOBAL-ONE-PORTUGAL
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:22 /9:4 /10:4 /11:10 /12:29
/13:67 /14:204 /15:330 /16:6931 /17:1135 /18:2106
/19:6592 /20:5097 /21:4444 /22:6752 /23:8628 /24:60373
/25:257 /26:392 /27:197 /28:188 /29:127 /30:124
/31:1 /32:57
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:352 13:10 15:1 17:2 24:684
26:1 32:23 38:7 44:3 47:1 53:2
55:1 57:11 61:28 62:132 63:1942 64:1462
65:1045 66:294 128:34 129:113 130:22 131:26
132:9 133:1 134:165 135:8 136:16 137:118
138:250 139:62 140:136 141:163 142:61 143:41
144:134 145:9 146:131 147:134 148:143 149:123
150:27 151:300 152:817 153:33 154:17 155:81
156:40 157:109 158:171 159:84 160:28 161:57
162:61 163:136 164:93 165:125 166:176 167:133
168:81 169:34 170:253 171:2 192:5400 193:1955
194:2033 195:795 196:405 198:3672 199:3393 200:1961
201:1 202:2557 203:5034 204:3363 205:2247 206:2711
207:2919 208:2929 209:3180 210:504 211:162 212:834
213:376 214:9 215:11 216:2940 217:219 223:2
End of report
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