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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 01 Apr, 2001
Analysis Summary
----------------
BGP routing table entries examined: 102111
Origin ASes present in the Internet Routing Table: 10445
Origin ASes announcing only one prefix: 3752
Transit ASes present in the Internet Routing Table: 1369
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 15
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: 3
Number of addresses announced to Internet: 1213078067
Equivalent to 72 /8s, 78 /16s and 26 /24s
Percentage of available address space announced: 32.7
Percentage of allocated address space announced: 64.2
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15606
Prefixes being announced from the APNIC address blocks: 14204
APNIC Region origin ASes present in the Internet Routing Table: 1210
APNIC Region origin ASes announcing only one prefix: 437
APNIC Region transit ASes present in the Internet Routing Table: 202
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 69159556
Equivalent to 4 /8s, 31 /16s and 74 /24s
Percentage of available APNIC address space announced: 68.0
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: 70618
Prefixes being announced from the ARIN address blocks: 47970
ARIN Region origin ASes present in the Internet Routing Table: 6371
ARIN Region origin ASes announcing only one prefix: 1868
ARIN Region transit ASes present in the Internet Routing Table: 649
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 180253228
Equivalent to 10 /8s, 190 /16s and 114 /24s
Percentage of available ARIN address space announced: 82.6
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: 15870
Prefixes being announced from the RIPE address blocks: 12567
RIPE Region origin ASes present in the Internet Routing Table: 2864
RIPE Region origin ASes announcing only one prefix: 1447
RIPE Region transit ASes present in the Internet Routing Table: 516
Average RIPE Region AS path length visible: 6.0
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 94114071
Equivalent to 5 /8s, 156 /16s and 17 /24s
Percentage of available RIPE address space announced: 80.1
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 2092 692 Telstra
703 450 264 UUNET Technologies, Inc.
2764 427 139 connect.com.au pty ltd
2907 365 890 SINET Japan
4755 292 109 VSNL India
4538 244 1032 China Education and Research
9269 206 24 Hong Kong CTI
7474 195 86 Optus Communications
4134 181 603 Data Communications Bureau
4763 177 35 Telstra New Zealand
4766 177 618 KORnet Powered BY Korea Telec
1237 166 71 System Engineering Research I
7657 165 12 The Internet Group Limited
7545 150 10 TPG Internet Pty Ltd
4740 145 10 Ozemail
7539 144 88 Delegated to TWNIC for subseq
3462 138 205 Data Communications Institute
4786 134 8 NetConnect Communications Pty
4713 126 427 NTT-OCNET
7617 123 46 One.Net Pty Ltd
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
702 418 624 UUNET Technologies, Inc.
3301 398 329 TeliaNet Sweden
1257 287 248 Swipnet AB
1270 274 456 UUNET Germany
680 208 913 Deutschef Forschurgsnetz
3215 202 227 RAIN
5515 192 336 Sonera Finland
719 190 146 LANLINK
786 183 959 JANET IP Service
3320 156 454 Deutsche Telekom AG
1849 146 254 UUNET UK (formerly PIPEX)
517 128 134 Xlink
5400 125 34 Concert Internet Plus Europea
3303 124 298 Swisscom
2856 122 388 BTnet UK Regional network
8708 110 5 Romania Data System
1267 98 979 IUnet S.p.A
1901 98 77 EUnet Austria
2830 95 38 UUNET UK (formerly PIPEX)
1290 84 205 PSINet UK Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2420 3643 UUNET Technologies, Inc.
705 1190 55 UUNET Technologies, Inc.
1 971 4504 BBN Planet
7018 941 3057 AT&T
7046 784 543 UUNET Technologies, Inc.
1239 645 1593 Sprint ICM-Inria
2914 607 1222 Verio, Inc.
174 564 2776 PSINet Inc.
3561 557 1263 Cable & Wireless USA
3549 541 496 Global Crossing
4293 483 52 Cable & Wireless USA
209 450 723 Qwest
690 404 64 Merit Network
2548 399 515 Digital Express Group, Inc.
3908 378 262 Supernet, Inc.
8112 370 64 Bell Atlantic Internet Soluti
8151 363 218 UniNet S.A. de C.V.
4323 337 136 Time Warner Communications, I
8013 336 54 PSINet Ltd. Canada
3967 331 223 Exodus Communication
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2420 3643 UUNET Technologies, Inc.
1221 2092 692 Telstra
705 1190 55 UUNET Technologies, Inc.
1 971 4504 BBN Planet
7018 941 3057 AT&T
7046 784 543 UUNET Technologies, Inc.
1239 645 1593 Sprint ICM-Inria
2914 607 1222 Verio, Inc.
174 564 2776 PSINet Inc.
3561 557 1263 Cable & Wireless USA
3549 541 496 Global Crossing
4293 483 52 Cable & Wireless USA
209 450 723 Qwest
703 450 264 UUNET Technologies, Inc.
2764 427 139 connect.com.au pty ltd
702 418 624 UUNET Technologies, Inc.
690 404 64 Merit Network
2548 399 515 Digital Express Group, Inc.
3301 398 329 TeliaNet Sweden
3908 378 262 Supernet, Inc.
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,
65008 PRIVATE 193.48.190.0/24 2200 INRIA-Rocquencourt
65008 PRIVATE 193.49.4.0/24 2200 INRIA-Rocquencourt
65008 PRIVATE 194.167.0.0/24 2200 INRIA-Rocquencourt
65535 PRIVATE 203.24.169.0/24 17486 Swiftel Communicatio
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
91.16.23.0/24 11770 Net56
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 /8:21 /9:4 /10:4 /11:9 /12:29
/13:64 /14:202 /15:326 /16:6897 /17:1112 /18:2080
/19:6535 /20:4976 /21:4418 /22:6726 /23:8608 /24:58844
/25:263 /26:337 /27:146 /28:108 /29:71 /30:165
/31:1 /32:165
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:341 13:10 15:1 17:1 24:692
26:1 32:10 38:7 44:3 47:1 53:2
55:1 57:9 61:38 62:133 63:1878 64:1434
65:559 66:214 91:1 106:2 128:31 129:122
130:20 131:25 132:11 133:1 134:146 135:8
136:17 137:116 138:248 139:52 140:112 141:174
142:55 143:151 144:35 145:11 146:134 147:92
148:150 149:135 150:25 151:362 152:942 153:33
154:13 155:75 156:36 157:105 158:59 159:79
160:17 161:56 162:90 163:131 164:107 165:126
166:173 167:92 168:82 169:31 170:220 171:2
192:5361 193:1830 194:2039 195:772 196:380 198:3621
199:3365 200:1888 202:2437 203:4991 204:3369 205:2239
206:2750 207:2766 208:2924 209:3190 210:499 211:171
212:810 213:351 214:8 215:11 216:2865 217:164
End of report
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