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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 14 Apr, 2001
Analysis Summary
----------------
BGP routing table entries examined: 103019
Origin ASes present in the Internet Routing Table: 10572
Origin ASes announcing only one prefix: 3793
Transit ASes present in the Internet Routing Table: 1422
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: 17
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 2
Number of addresses announced to Internet: 1238703992
Equivalent to 73 /8s, 213 /16s and 31 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 65.5
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15669
Prefixes being announced from the APNIC address blocks: 14172
APNIC Region origin ASes present in the Internet Routing Table: 1227
APNIC Region origin ASes announcing only one prefix: 436
APNIC Region transit ASes present in the Internet Routing Table: 199
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 70982970
Equivalent to 4 /8s, 59 /16s and 29 /24s
Percentage of available APNIC address space announced: 69.8
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: 71224
Prefixes being announced from the ARIN address blocks: 48784
ARIN Region origin ASes present in the Internet Routing Table: 6431
ARIN Region origin ASes announcing only one prefix: 1888
ARIN Region transit ASes present in the Internet Routing Table: 675
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 181159513
Equivalent to 10 /8s, 204 /16s and 70 /24s
Percentage of available ARIN address space announced: 83.1
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
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: 16109
Prefixes being announced from the RIPE address blocks: 12777
RIPE Region origin ASes present in the Internet Routing Table: 2912
RIPE Region origin ASes announcing only one prefix: 1469
RIPE Region transit ASes present in the Internet Routing Table: 546
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 96655049
Equivalent to 5 /8s, 194 /16s and 214 /24s
Percentage of available RIPE address space announced: 82.3
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 1995 676 Telstra
2764 426 147 connect.com.au pty ltd
703 378 204 UUNET Technologies, Inc.
2907 363 884 SINET Japan
4755 300 111 VSNL India
4538 240 1022 China Education and Research
7539 221 114 Delegated to TWNIC for subseq
4766 187 770 KORnet Powered BY Korea Telec
4134 186 614 Data Communications Bureau
7474 186 85 Optus Communications
1237 163 71 System Engineering Research I
9269 160 22 Hong Kong CTI
7657 155 12 The Internet Group Limited
4740 152 10 Ozemail
17561 150 60 Internet service provision to
7545 149 10 TPG Internet Pty Ltd
4786 128 7 NetConnect Communications Pty
7617 124 46 One.Net Pty Ltd
7586 123 9 Paradox Digital Pty. Ltd
9797 121 10 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 467 662 UUNET Technologies, Inc.
3301 390 337 TeliaNet Sweden
1257 278 247 Swipnet AB
1270 277 448 UUNET Germany
680 206 913 Deutschef Forschurgsnetz
3215 205 227 RAIN
719 191 146 LANLINK
5515 190 336 Sonera Finland
786 184 959 JANET IP Service
3320 159 710 Deutsche Telekom AG
517 128 134 Xlink
5400 125 33 Concert Internet Plus Europea
3303 123 298 Swisscom
2856 122 388 BTnet UK Regional network
1290 115 206 PSINet UK Ltd.
8708 112 5 Romania Data System
1849 108 224 UUNET UK (formerly PIPEX)
3352 108 241 Ibernet, Internet A
1267 97 978 IUnet S.p.A
1901 97 77 EUnet Austria
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2424 3611 UUNET Technologies, Inc.
705 1401 60 UUNET Technologies, Inc.
7018 965 3190 AT&T
1 961 4496 BBN Planet
7046 811 559 UUNET Technologies, Inc.
1239 642 1612 Sprint ICM-Inria
2914 603 1211 Verio, Inc.
3561 552 1264 Cable & Wireless USA
174 527 2759 PSINet Inc.
3549 512 495 Global Crossing
4293 472 52 Cable & Wireless USA
209 451 676 Qwest
690 416 49 Merit Network
2548 397 522 Digital Express Group, Inc.
3908 378 262 Supernet, Inc.
8151 360 218 UniNet S.A. de C.V.
4323 338 136 Time Warner Communications, I
3967 335 224 Exodus Communication
11371 331 49 Rhythms NetConnections
8013 329 54 PSINet Ltd. Canada
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2424 3611 UUNET Technologies, Inc.
1221 1995 676 Telstra
705 1401 60 UUNET Technologies, Inc.
7018 965 3190 AT&T
1 961 4496 BBN Planet
7046 811 559 UUNET Technologies, Inc.
1239 642 1612 Sprint ICM-Inria
2914 603 1211 Verio, Inc.
3561 552 1264 Cable & Wireless USA
174 527 2759 PSINet Inc.
3549 512 495 Global Crossing
4293 472 52 Cable & Wireless USA
702 467 662 UUNET Technologies, Inc.
209 451 676 Qwest
2764 426 147 connect.com.au pty ltd
690 416 49 Merit Network
2548 397 522 Digital Express Group, Inc.
3301 390 337 TeliaNet Sweden
703 378 204 UUNET Technologies, Inc.
3908 378 262 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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
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,
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
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 /14:206 /15:329 /16:6928 /17:1126 /18:2102
/19:6586 /20:5045 /21:4427 /22:6731 /23:8642 /24:59374
/25:276 /26:397 /27:208 /28:191 /29:131 /30:125
/31:1 /32:58
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:352 13:10 15:1 17:1 24:716
26:1 32:12 38:7 44:3 47:1 53:2
55:1 57:12 61:28 62:133 63:1919 64:1455
65:765 66:270 128:31 129:114 130:20 131:25
132:9 133:1 134:168 135:8 136:16 137:116
138:246 139:52 140:140 141:174 142:56 143:76
144:132 145:9 146:134 147:134 148:151 149:134
150:27 151:176 152:830 153:33 154:13 155:76
156:39 157:63 158:61 159:81 160:19 161:56
162:61 163:134 164:106 165:127 166:175 167:133
168:81 169:32 170:211 171:2 192:5388 193:1901
194:2056 195:770 196:377 198:3674 199:3379 200:1896
202:2479 203:5005 204:3369 205:2248 206:2730 207:2824
208:2903 209:3228 210:481 211:193 212:806 213:393
214:8 215:11 216:2887 217:192 223:2
End of report
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