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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 21 Apr, 2001
Analysis Summary
----------------
BGP routing table entries examined: 103452
Origin ASes present in the Internet Routing Table: 10630
Origin ASes announcing only one prefix: 3844
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: 17
Illegal AS announcements present in the Routing Table: 27
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: 1238980816
Equivalent to 73 /8s, 217 /16s and 88 /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: 15682
Prefixes being announced from the APNIC address blocks: 14200
APNIC Region origin ASes present in the Internet Routing Table: 1230
APNIC Region origin ASes announcing only one prefix: 438
APNIC Region transit ASes present in the Internet Routing Table: 198
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 71396190
Equivalent to 4 /8s, 65 /16s and 107 /24s
Percentage of available APNIC address space announced: 70.2
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: 71565
Prefixes being announced from the ARIN address blocks: 49044
ARIN Region origin ASes present in the Internet Routing Table: 6467
ARIN Region origin ASes announcing only one prefix: 1918
ARIN Region transit ASes present in the Internet Routing Table: 682
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 180467477
Equivalent to 10 /8s, 193 /16s and 183 /24s
Percentage of available ARIN address space announced: 82.7
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
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: 16178
Prefixes being announced from the RIPE address blocks: 12870
RIPE Region origin ASes present in the Internet Routing Table: 2935
RIPE Region origin ASes announcing only one prefix: 1488
RIPE Region transit ASes present in the Internet Routing Table: 540
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 96636385
Equivalent to 5 /8s, 194 /16s and 141 /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 684 Telstra
2764 425 147 connect.com.au pty ltd
703 390 205 UUNET Technologies, Inc.
2907 362 875 SINET Japan
4755 302 110 VSNL India
4538 236 1038 China Education and Research
7539 223 101 Delegated to TWNIC for subseq
4134 191 622 Data Communications Bureau
4766 187 770 KORnet Powered BY Korea Telec
7474 180 85 Optus Communications
9269 161 22 Hong Kong CTI
1237 156 70 System Engineering Research I
7657 153 12 The Internet Group Limited
4740 152 10 Ozemail
17561 151 61 Internet service provision to
7545 147 10 TPG Internet Pty Ltd
4786 129 7 NetConnect Communications Pty
7617 124 46 One.Net Pty Ltd
7586 123 9 Paradox Digital Pty. Ltd
9797 122 10 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 476 646 UUNET Technologies, Inc.
3301 389 337 TeliaNet Sweden
1270 279 448 UUNET Germany
1257 277 247 Swipnet AB
680 207 914 Deutschef Forschurgsnetz
3215 207 228 RAIN
5515 190 336 Sonera Finland
719 189 146 LANLINK
786 185 959 JANET IP Service
3320 160 710 Deutsche Telekom AG
3352 147 244 Ibernet, Internet A
5400 129 41 Concert Internet Plus Europea
517 127 134 Xlink
3303 123 298 Swisscom
2856 122 388 BTnet UK Regional network
1290 116 206 PSINet UK Ltd.
8708 114 5 Romania Data System
1849 107 223 UUNET UK (formerly PIPEX)
1267 100 978 IUnet S.p.A
2830 98 47 UUNET UK (formerly PIPEX)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2418 3617 UUNET Technologies, Inc.
705 1617 69 UUNET Technologies, Inc.
1 964 4496 BBN Planet
7018 953 3158 AT&T
7046 786 552 UUNET Technologies, Inc.
1239 640 1588 Sprint ICM-Inria
2914 608 1210 Verio, Inc.
3561 568 1266 Cable & Wireless USA
174 535 2753 PSINet Inc.
3549 505 514 Global Crossing
4293 481 52 Cable & Wireless USA
209 448 707 Qwest
690 424 43 Merit Network
2548 400 514 Digital Express Group, Inc.
3908 377 262 Supernet, Inc.
8151 356 218 UniNet S.A. de C.V.
4323 337 136 Time Warner Communications, I
3967 336 226 Exodus Communication
8013 336 54 PSINet Ltd. Canada
11371 332 50 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2418 3617 UUNET Technologies, Inc.
1221 1995 684 Telstra
705 1617 69 UUNET Technologies, Inc.
1 964 4496 BBN Planet
7018 953 3158 AT&T
7046 786 552 UUNET Technologies, Inc.
1239 640 1588 Sprint ICM-Inria
2914 608 1210 Verio, Inc.
3561 568 1266 Cable & Wireless USA
174 535 2753 PSINet Inc.
3549 505 514 Global Crossing
4293 481 52 Cable & Wireless USA
702 476 646 UUNET Technologies, Inc.
209 448 707 Qwest
2764 425 147 connect.com.au pty ltd
690 424 43 Merit Network
2548 400 514 Digital Express Group, Inc.
703 390 205 UUNET Technologies, Inc.
3301 389 337 TeliaNet Sweden
3908 377 262 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65515 PRIVATE 62.229.132.0/24 8876 Global One Turkey IP
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,
60002 RESERVED 200.9.98.0/24 6429 RdC Internet
60002 RESERVED 200.9.99.0/24 6429 RdC Internet
64532 PRIVATE 202.139.116.128/27 7474 Optus Communications
64532 PRIVATE 202.139.116.192/27 7474 Optus Communications
64532 PRIVATE 202.139.116.224/29 7474 Optus Communications
64532 PRIVATE 202.139.116.240/29 7474 Optus Communications
64532 PRIVATE 202.139.116.248/29 7474 Optus Communications
65535 PRIVATE 203.24.169.0/24 17486 Swiftel Communicatio
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
64555 PRIVATE 203.202.9.88/29 7474 Optus Communications
64560 PRIVATE 203.202.14.80/28 7474 Optus Communications
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 /14:205 /15:326 /16:6939 /17:1125 /18:2106
/19:6576 /20:5081 /21:4436 /22:6735 /23:8625 /24:59760
/25:272 /26:407 /27:213 /28:194 /29:132 /30:125
/31:1 /32:58
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:355 13:10 15:1 17:1 24:703
26:1 32:12 38:7 44:3 47:1 53:2
55:1 57:11 61:28 62:125 63:1914 64:1464
65:965 66:274 128:30 129:112 130:20 131:26
132:9 133:1 134:168 135:8 136:16 137:117
138:248 139:52 140:147 141:176 142:61 143:41
144:132 145:9 146:132 147:135 148:150 149:134
150:27 151:175 152:800 153:33 154:17 155:81
156:40 157:108 158:61 159:84 160:28 161:57
162:61 163:136 164:123 165:127 166:177 167:134
168:80 169:34 170:218 171:2 192:5404 193:1949
194:2040 195:774 196:407 198:3640 199:3386 200:1920
202:2481 203:4990 204:3379 205:2257 206:2723 207:2843
208:2888 209:3198 210:480 211:192 212:847 213:417
214:9 215:11 216:2918 217:197 223:2
End of report
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