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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 27 Feb, 2001
Analysis Summary
----------------
BGP routing table entries examined: 101566
Origin ASes present in the Internet Routing Table: 10084
Origin ASes announcing only one prefix: 3593
Transit ASes present in the Internet Routing Table: 1349
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: 1227634129
Equivalent to 73 /8s, 44 /16s and 53 /24s
Percentage of available address space announced: 33.1
Percentage of allocated address space announced: 65.0
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15877
Prefixes being announced from the APNIC address blocks: 14207
APNIC Region origin ASes present in the Internet Routing Table: 1167
APNIC Region origin ASes announcing only one prefix: 424
APNIC Region transit ASes present in the Internet Routing Table: 195
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 70555519
Equivalent to 4 /8s, 52 /16s and 151 /24s
Percentage of available APNIC address space announced: 69.4
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: 69972
Prefixes being announced from the ARIN address blocks: 47540
ARIN Region origin ASes present in the Internet Routing Table: 6136
ARIN Region origin ASes announcing only one prefix: 1781
ARIN Region transit ASes present in the Internet Routing Table: 639
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 177602591
Equivalent to 10 /8s, 150 /16s and 0 /24s
Percentage of available ARIN address space announced: 81.4
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: 15703
Prefixes being announced from the RIPE address blocks: 12468
RIPE Region origin ASes present in the Internet Routing Table: 2780
RIPE Region origin ASes announcing only one prefix: 1388
RIPE Region transit ASes present in the Internet Routing Table: 513
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 107868746
Equivalent to 6 /8s, 109 /16s and 242 /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 2386 1189 Telstra
2764 433 140 connect.com.au pty ltd
703 401 253 UUNET Technologies, Inc.
2907 376 909 SINET Japan
4755 298 111 VSNL India
4740 288 18 Ozemail
4538 219 1006 China Education and Research
4618 209 56 Internet Thailand
9269 207 24 Hong Kong CTI
7545 203 7 TPG Internet Pty Ltd
7474 200 89 Optus Communications
7657 192 11 The Internet Group Limited
4763 182 35 Telstra New Zealand
4766 174 619 KORnet Powered BY Korea Telec
4134 172 556 Data Communications Bureau
7539 142 88 Delegated to TWNIC for subseq
3462 137 205 Data Communications Institute
7586 135 10 Paradox Digital Pty. Ltd
4786 131 8 NetConnect Communications Pty
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 270 449 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 150 263 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 98 986 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 2681 3541 UUNET Technologies, Inc.
1 1005 4565 BBN Planet
7018 916 3025 AT&T
705 749 42 UUNET Technologies, Inc.
7046 723 525 UUNET Technologies, Inc.
1239 652 1554 Sprint ICM-Inria
2914 621 1269 Verio, Inc.
174 595 2807 PSINet Inc.
3561 575 1284 Cable & Wireless USA
3549 535 481 Frontier GlobalCenter
2551 493 345 NETCOM On-Line Communication
4293 469 57 Cable & Wireless USA
209 461 658 Qwest
2548 393 514 Digital Express Group, Inc.
3908 389 280 Supernet, Inc.
8151 365 204 UniNet S.A. de C.V.
271 350 270 BCnet Backbone
8013 338 62 PSINet Ltd. Canada
690 328 34 Merit Network
11371 327 49 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2681 3541 UUNET Technologies, Inc.
1221 2386 1189 Telstra
1 1005 4565 BBN Planet
7018 916 3025 AT&T
705 749 42 UUNET Technologies, Inc.
7046 723 525 UUNET Technologies, Inc.
1239 652 1554 Sprint ICM-Inria
2914 621 1269 Verio, Inc.
174 595 2807 PSINet Inc.
3561 575 1284 Cable & Wireless USA
3549 535 481 Frontier GlobalCenter
2551 493 345 NETCOM On-Line Communication
4293 469 57 Cable & Wireless USA
209 461 658 Qwest
2764 433 140 connect.com.au pty ltd
702 411 615 UUNET Technologies, Inc.
3301 402 330 TeliaNet Sweden
703 401 253 UUNET Technologies, Inc.
2548 393 514 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 /8:22 /9:4 /10:5 /11:9 /12:31
/13:61 /14:200 /15:315 /16:6883 /17:1070 /18:2044
/19:6420 /20:4748 /21:4350 /22:6638 /23:8622 /24:58868
/25:274 /26:343 /27:148 /28:110 /29:75 /30:177
/31:0 /32:149
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:311 13:10 15:1 17:1 24:672
26:1 32:30 38:8 44:3 47:1 53:2
55:1 57:8 61:38 62:127 63:1780 64:1369
65:121 66:122 91:1 103:1 128:37 129:116
130:20 131:31 132:10 133:3 134:136 135:8
136:16 137:112 138:301 139:51 140:107 141:42
142:57 143:44 144:189 145:9 146:133 147:54
148:122 149:122 150:25 151:468 152:975 153:35
154:13 155:73 156:25 157:102 158:55 159:78
160:16 161:55 162:60 163:133 164:131 165:111
166:173 167:87 168:81 169:31 170:202 171:2
192:5377 193:1827 194:2038 195:815 196:391 198:3675
199:3366 200:1807 202:2443 203:5237 204:3645 205:2458
206:2714 207:2988 208:2938 209:3236 210:420 211:144
212:840 213:299 214:6 215:11 216:2812 217:119
End of report
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