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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 Feb, 2001
Analysis Summary
----------------
BGP routing table entries examined: 101624
Origin ASes present in the Internet Routing Table: 10097
Origin ASes announcing only one prefix: 3599
Transit ASes present in the Internet Routing Table: 1353
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: 14
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: 1244757245
Equivalent to 74 /8s, 49 /16s and 124 /24s
Percentage of available address space announced: 33.6
Percentage of allocated address space announced: 65.9
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15824
Prefixes being announced from the APNIC address blocks: 14160
APNIC Region origin ASes present in the Internet Routing Table: 1166
APNIC Region origin ASes announcing only one prefix: 423
APNIC Region transit ASes present in the Internet Routing Table: 194
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 70435775
Equivalent to 4 /8s, 50 /16s and 195 /24s
Percentage of available APNIC address space announced: 69.3
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: 70105
Prefixes being announced from the ARIN address blocks: 47663
ARIN Region origin ASes present in the Internet Routing Table: 6155
ARIN Region origin ASes announcing only one prefix: 1792
ARIN Region transit ASes present in the Internet Routing Table: 642
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 194361759
Equivalent to 11 /8s, 149 /16s and 185 /24s
Percentage of available ARIN address space announced: 89.1
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: 15681
Prefixes being announced from the RIPE address blocks: 12425
RIPE Region origin ASes present in the Internet Routing Table: 2775
RIPE Region origin ASes announcing only one prefix: 1384
RIPE Region transit ASes present in the Internet Routing Table: 515
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 107804806
Equivalent to 6 /8s, 108 /16s and 248 /24s
Percentage of available RIPE address space announced: 91.8
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
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 2380 1189 Telstra
2764 430 140 connect.com.au pty ltd
703 402 253 UUNET Technologies, Inc.
2907 376 909 SINET Japan
4755 292 111 VSNL India
4740 283 18 Ozemail
4538 218 1005 China Education and Research
4618 211 56 Internet Thailand
9269 207 24 Hong Kong CTI
7545 203 7 TPG Internet Pty Ltd
7474 199 89 Optus Communications
7657 193 11 The Internet Group Limited
4763 187 43 Telstra New Zealand
4766 174 619 KORnet Powered BY Korea Telec
4134 172 556 Data Communications Bureau
3462 137 205 Data Communications Institute
4786 133 8 NetConnect Communications Pty
7539 131 86 Delegated to TWNIC for subseq
7586 130 10 Paradox Digital Pty. Ltd
7496 128 9 Power Up
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 411 615 UUNET Technologies, Inc.
3301 402 330 TeliaNet Sweden
1257 311 248 Swipnet AB
3215 273 183 RAIN
1270 271 450 UUNET Germany
680 203 889 Deutschef Forschurgsnetz
719 190 146 LANLINK
786 184 960 JANET IP Service
5515 169 318 Sonera Finland
3320 167 462 Deutsche Telekom AG
1849 149 263 UUNET UK (formerly PIPEX)
1942 139 53 GIP Renater
517 134 137 Xlink
2856 129 388 BTnet UK Regional network
3303 129 277 Swisscom
5400 112 31 Concert Internet Plus Europea
1901 104 77 EUnet Austria
1267 99 986 IUnet S.p.A
3269 87 276 TELECOM ITALIA
2830 85 30 UUNET UK (formerly PIPEX)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2675 3541 UUNET Technologies, Inc.
1 1007 4566 BBN Planet
7018 918 3025 AT&T
705 747 42 UUNET Technologies, Inc.
7046 722 529 UUNET Technologies, Inc.
1239 652 1554 Sprint ICM-Inria
2914 620 1262 Verio, Inc.
174 585 2799 PSINet Inc.
3561 576 1292 Cable & Wireless USA
3549 534 481 Frontier GlobalCenter
2551 493 345 NETCOM On-Line Communication
4293 476 58 Cable & Wireless USA
209 463 658 Qwest
2548 392 506 Digital Express Group, Inc.
3908 389 280 Supernet, Inc.
8151 365 204 UniNet S.A. de C.V.
271 350 270 BCnet Backbone
8013 333 62 PSINet Ltd. Canada
690 329 42 Merit Network
11371 326 49 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2675 3541 UUNET Technologies, Inc.
1221 2380 1189 Telstra
1 1007 4566 BBN Planet
7018 918 3025 AT&T
705 747 42 UUNET Technologies, Inc.
7046 722 529 UUNET Technologies, Inc.
1239 652 1554 Sprint ICM-Inria
2914 620 1262 Verio, Inc.
174 585 2799 PSINet Inc.
3561 576 1292 Cable & Wireless USA
3549 534 481 Frontier GlobalCenter
2551 493 345 NETCOM On-Line Communication
4293 476 58 Cable & Wireless USA
209 463 658 Qwest
2764 430 140 connect.com.au pty ltd
702 411 615 UUNET Technologies, Inc.
703 402 253 UUNET Technologies, Inc.
3301 402 330 TeliaNet Sweden
2548 392 506 Digital Express Group, Inc.
3908 389 280 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65535 PRIVATE 62.4.68.96/27 6461 AboveNet Communicati
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,
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised IANA Reserved Addresses
----------------------------------
Network Origin AS Description
39.96.40.224/30 14408 iCAIR
91.16.23.0/24 11770 Net56
103.22.7.0/24 9768 PubNet (Korea Telecom)
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:23 /9:4 /10:5 /11:9 /12:31
/13:61 /14:200 /15:315 /16:6892 /17:1070 /18:2039
/19:6400 /20:4751 /21:4345 /22:6617 /23:8607 /24:58982
/25:272 /26:344 /27:148 /28:109 /29:75 /30:176
/31:0 /32:149
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:313 13:10 15:1 17:1 24:669
26:1 32:7 38:8 44:3 47:1 53:2
55:1 57:8 61:38 62:126 63:1781 64:1367
65:121 66:123 91:1 103:1 128:37 129:116
130:20 131:31 132:11 133:3 134:133 135:8
136:16 137:112 138:301 139:54 140:105 141:44
142:57 143:42 144:193 145:9 146:132 147:93
148:122 149:119 150:25 151:468 152:974 153:35
154:13 155:73 156:22 157:102 158:55 159:78
160:16 161:55 162:60 163:131 164:130 165:114
166:174 167:87 168:80 169:31 170:202 171:2
192:5371 193:1832 194:2026 195:796 196:389 198:3697
199:3427 200:1810 202:2419 203:5241 204:3653 205:2458
206:2733 207:2986 208:2935 209:3296 210:413 211:144
212:836 213:313 214:9 215:11 216:2796 217:120
End of report
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