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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 24 Feb, 2001
Analysis Summary
----------------
BGP routing table entries examined: 99985
Origin ASes present in the Internet Routing Table: 10088
Origin ASes announcing only one prefix: 3602
Transit ASes present in the Internet Routing Table: 1352
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: 1243956835
Equivalent to 74 /8s, 37 /16s and 70 /24s
Percentage of available address space announced: 33.6
Percentage of allocated address space announced: 65.8
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15654
Prefixes being announced from the APNIC address blocks: 13987
APNIC Region origin ASes present in the Internet Routing Table: 1162
APNIC Region origin ASes announcing only one prefix: 419
APNIC Region transit ASes present in the Internet Routing Table: 192
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 70121816
Equivalent to 4 /8s, 45 /16s and 249 /24s
Percentage of available APNIC address space announced: 68.9
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: 68653
Prefixes being announced from the ARIN address blocks: 47423
ARIN Region origin ASes present in the Internet Routing Table: 6149
ARIN Region origin ASes announcing only one prefix: 1795
ARIN Region transit ASes present in the Internet Routing Table: 642
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 194283918
Equivalent to 11 /8s, 148 /16s and 137 /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: 15664
Prefixes being announced from the RIPE address blocks: 12398
RIPE Region origin ASes present in the Internet Routing Table: 2776
RIPE Region origin ASes announcing only one prefix: 1388
RIPE Region transit ASes present in the Internet Routing Table: 516
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 107463461
Equivalent to 6 /8s, 103 /16s and 195 /24s
Percentage of available RIPE address space announced: 91.5
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 2382 1189 Telstra
2764 432 140 connect.com.au pty ltd
703 394 253 UUNET Technologies, Inc.
2907 374 908 SINET Japan
4755 293 110 VSNL India
4538 212 981 China Education and Research
4618 211 56 Internet Thailand
4740 210 13 Ozemail
9269 207 24 Hong Kong CTI
7545 203 7 TPG Internet Pty Ltd
7474 199 89 Optus Communications
7657 191 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 132 86 Delegated to TWNIC for subseq
7586 131 10 Paradox Digital Pty. Ltd
7496 128 9 Power Up
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 406 607 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 154 271 UUNET UK (formerly PIPEX)
1942 139 53 GIP Renater
517 135 137 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 2672 3564 UUNET Technologies, Inc.
7018 914 3016 AT&T
1 882 4560 BBN Planet
705 748 42 UUNET Technologies, Inc.
7046 723 533 UUNET Technologies, Inc.
1239 659 1554 Sprint ICM-Inria
2914 624 1270 Verio, Inc.
174 583 2799 PSINet Inc.
3561 572 1276 Cable & Wireless USA
3549 532 473 Frontier GlobalCenter
4293 477 58 Cable & Wireless USA
209 466 658 Qwest
2548 394 515 Digital Express Group, Inc.
3908 391 280 Supernet, Inc.
2551 367 340 NETCOM On-Line Communication
8151 365 204 UniNet S.A. de C.V.
271 350 270 BCnet Backbone
8013 339 63 PSINet Ltd. Canada
690 328 34 Merit Network
6082 324 62 Management Analysis, Incorpor
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2672 3564 UUNET Technologies, Inc.
1221 2382 1189 Telstra
7018 914 3016 AT&T
1 882 4560 BBN Planet
705 748 42 UUNET Technologies, Inc.
7046 723 533 UUNET Technologies, Inc.
1239 659 1554 Sprint ICM-Inria
2914 624 1270 Verio, Inc.
174 583 2799 PSINet Inc.
3561 572 1276 Cable & Wireless USA
3549 532 473 Frontier GlobalCenter
4293 477 58 Cable & Wireless USA
209 466 658 Qwest
2764 432 140 connect.com.au pty ltd
702 406 607 UUNET Technologies, Inc.
3301 402 330 TeliaNet Sweden
703 394 253 UUNET Technologies, Inc.
2548 394 515 Digital Express Group, Inc.
3908 391 280 Supernet, Inc.
2907 374 908 SINET Japan
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 /11:10 /12:32
/13:62 /14:196 /15:306 /16:6873 /17:1061 /18:2041
/19:6397 /20:4739 /21:4333 /22:6445 /23:8204 /24:57990
/25:273 /26:342 /27:144 /28:108 /29:74 /30:176
/31:0 /32:147
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:312 13:10 15:1 17:1 24:665
26:1 32:7 38:8 44:3 53:2 55:1
57:8 61:35 62:120 63:1772 64:1362 65:119
66:121 91:1 103:1 128:37 129:116 130:20
131:31 132:11 133:3 134:133 135:8 136:16
137:112 138:288 139:54 140:105 141:45 142:57
143:42 144:193 145:9 146:132 147:93 148:122
149:117 150:25 151:444 152:358 153:35 154:13
155:73 156:18 157:106 158:55 159:78 160:16
161:55 162:60 163:132 164:131 165:114 166:173
167:87 168:81 169:31 170:201 171:2 192:5367
193:1839 194:2018 195:785 196:389 198:3709 199:3421
200:1817 202:2398 203:5162 204:3647 205:2445 206:2719
207:2915 208:2932 209:3233 210:390 211:145 212:843
213:312 214:9 215:11 216:2780 217:119
End of report
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