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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 11 Apr, 2001
Analysis Summary
----------------
BGP routing table entries examined: 102721
Origin ASes present in the Internet Routing Table: 10554
Origin ASes announcing only one prefix: 3789
Transit ASes present in the Internet Routing Table: 1413
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: 2
Number of addresses announced to Internet: 1236929982
Equivalent to 73 /8s, 186 /16s and 13 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15805
Prefixes being announced from the APNIC address blocks: 14279
APNIC Region origin ASes present in the Internet Routing Table: 1226
APNIC Region origin ASes announcing only one prefix: 436
APNIC Region transit ASes present in the Internet Routing Table: 203
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 69489311
Equivalent to 4 /8s, 36 /16s and 82 /24s
Percentage of available APNIC address space announced: 68.3
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: 70751
Prefixes being announced from the ARIN address blocks: 48354
ARIN Region origin ASes present in the Internet Routing Table: 6422
ARIN Region origin ASes announcing only one prefix: 1889
ARIN Region transit ASes present in the Internet Routing Table: 663
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 181624534
Equivalent to 10 /8s, 211 /16s and 94 /24s
Percentage of available ARIN address space announced: 83.3
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
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: 16148
Prefixes being announced from the RIPE address blocks: 12774
RIPE Region origin ASes present in the Internet Routing Table: 2904
RIPE Region origin ASes announcing only one prefix: 1464
RIPE Region transit ASes present in the Internet Routing Table: 545
Average RIPE Region AS path length visible: 6.0
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 96624831
Equivalent to 5 /8s, 194 /16s and 96 /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 2088 684 Telstra
2764 426 139 connect.com.au pty ltd
703 380 204 UUNET Technologies, Inc.
2907 363 884 SINET Japan
4755 292 110 VSNL India
4538 243 1024 China Education and Research
7539 223 98 Delegated to TWNIC for subseq
4134 186 616 Data Communications Bureau
7474 186 85 Optus Communications
4766 179 618 KORnet Powered BY Korea Telec
4763 177 34 Telstra New Zealand
1237 164 71 System Engineering Research I
9269 160 22 Hong Kong CTI
7657 156 12 The Internet Group Limited
4740 150 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
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 462 652 UUNET Technologies, Inc.
3301 398 337 TeliaNet Sweden
1257 278 247 Swipnet AB
1270 278 448 UUNET Germany
680 206 913 Deutschef Forschurgsnetz
3215 206 235 RAIN
719 191 146 LANLINK
5515 190 336 Sonera Finland
786 184 959 JANET IP Service
3320 159 710 Deutsche Telekom AG
517 129 135 Xlink
5400 125 33 Concert Internet Plus Europea
3303 123 298 Swisscom
2856 122 388 BTnet UK Regional network
1290 116 206 PSINet UK Ltd.
8708 111 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 2405 3742 UUNET Technologies, Inc.
705 1355 61 UUNET Technologies, Inc.
1 967 4497 BBN Planet
7018 966 3194 AT&T
7046 825 552 UUNET Technologies, Inc.
1239 644 1598 Sprint ICM-Inria
2914 607 1211 Verio, Inc.
3561 554 1240 Cable & Wireless USA
174 526 2759 PSINet Inc.
3549 520 495 Global Crossing
4293 482 52 Cable & Wireless USA
209 445 675 Qwest
690 413 49 Merit Network
2548 399 514 Digital Express Group, Inc.
8151 361 218 UniNet S.A. de C.V.
3908 359 259 Supernet, Inc.
4323 337 136 Time Warner Communications, I
3967 335 224 Exodus Communication
8013 329 54 PSINet Ltd. Canada
11371 316 49 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2405 3742 UUNET Technologies, Inc.
1221 2088 684 Telstra
705 1355 61 UUNET Technologies, Inc.
1 967 4497 BBN Planet
7018 966 3194 AT&T
7046 825 552 UUNET Technologies, Inc.
1239 644 1598 Sprint ICM-Inria
2914 607 1211 Verio, Inc.
3561 554 1240 Cable & Wireless USA
174 526 2759 PSINet Inc.
3549 520 495 Global Crossing
4293 482 52 Cable & Wireless USA
702 462 652 UUNET Technologies, Inc.
209 445 675 Qwest
2764 426 139 connect.com.au pty ltd
690 413 49 Merit Network
2548 399 514 Digital Express Group, Inc.
3301 398 337 TeliaNet Sweden
703 380 204 UUNET Technologies, Inc.
2907 363 884 SINET Japan
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
106.1.1.0/24 5705 Sirius Solutions, Inc.
106.1.2.0/24 5705 Sirius Solutions, Inc.
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 /12:30
/13:66 /14:204 /15:326 /16:6917 /17:1122 /18:2097
/19:6558 /20:5017 /21:4415 /22:6704 /23:8604 /24:59277
/25:264 /26:369 /27:154 /28:113 /29:84 /30:183
/31:1 /32:176
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:352 13:10 15:1 17:1 24:710
26:1 32:12 38:7 44:3 47:2 53:2
55:1 57:12 61:28 62:134 63:1914 64:1440
65:706 66:229 106:2 128:31 129:120 130:20
131:25 132:10 133:1 134:157 135:8 136:16
137:116 138:247 139:52 140:141 141:174 142:56
143:151 144:36 145:9 146:134 147:133 148:152
149:134 150:27 151:175 152:843 153:33 154:13
155:74 156:39 157:106 158:61 159:80 160:19
161:56 162:61 163:140 164:113 165:127 166:175
167:134 168:80 169:31 170:210 171:2 192:5397
193:1901 194:2055 195:758 196:372 198:3669 199:3381
200:1890 202:2475 203:4993 204:3364 205:2236 206:2723
207:2827 208:2903 209:3246 210:480 211:216 212:820
213:383 214:8 215:11 216:2889 217:188
End of report
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