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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 28 Jan, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100431
Origin ASes present in the Internet Routing Table: 9770
Origin ASes announcing only one prefix: 3460
Transit ASes present in the Internet Routing Table: 1294
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 18
Illegal AS announcements present in the Routing Table: 16
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: 1202044936
Equivalent to 71 /8s, 165 /16s and 192 /24s
Percentage of available address space announced: 32.4
Percentage of allocated address space announced: 63.6
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15494
Prefixes being announced from the APNIC address blocks: 13936
APNIC Region origin ASes present in the Internet Routing Table: 1140
APNIC Region origin ASes announcing only one prefix: 404
APNIC Region transit ASes present in the Internet Routing Table: 186
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 65449561
Equivalent to 3 /8s, 230 /16s and 174 /24s
Percentage of available APNIC address space announced: 64.3
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: 69546
Prefixes being announced from the ARIN address blocks: 47254
ARIN Region origin ASes present in the Internet Routing Table: 5948
ARIN Region origin ASes announcing only one prefix: 1714
ARIN Region transit ASes present in the Internet Routing Table: 617
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 175595309
Equivalent to 10 /8s, 119 /16s and 95 /24s
Percentage of available ARIN address space announced: 80.5
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: 15375
Prefixes being announced from the RIPE address blocks: 12121
RIPE Region origin ASes present in the Internet Routing Table: 2681
RIPE Region origin ASes announcing only one prefix: 1342
RIPE Region transit ASes present in the Internet Routing Table: 489
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 89377189
Equivalent to 5 /8s, 83 /16s and 201 /24s
Percentage of available RIPE address space announced: 76.1
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
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 2375 1189 Telstra
2764 433 139 connect.com.au pty ltd
703 366 247 UUNET Technologies, Inc.
2907 366 892 SINET Japan
4755 340 112 VSNL India
4740 257 16 Ozemail
7657 222 12 The Internet Group Limited
4618 209 56 Internet Thailand
9269 208 23 Hong Kong CTI
7545 204 7 TPG Internet Pty Ltd
4763 190 43 Telstra New Zealand
7474 187 84 Optus Communications
4766 176 619 KORnet Powered BY Korea Telec
4134 168 521 Data Communications Bureau
7586 135 10 Paradox Digital Pty. Ltd
3462 128 180 Data Communications Institute
4786 127 7 NetConnect Communications Pty
7496 123 9 Power Up
7617 122 46 One.Net Pty Ltd
9797 120 10 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
3301 392 306 TeliaNet Sweden
702 363 488 UUNET Technologies, Inc.
1270 339 433 UUNET Germany
1257 316 248 Swipnet AB
3215 203 181 RAIN
5515 193 351 Sonera Finland
719 192 146 LANLINK
786 184 960 JANET IP Service
680 170 855 Deutschef Forschurgsnetz
3320 167 462 Deutsche Telekom AG
1849 165 289 UUNET UK (formerly PIPEX)
1942 140 53 INRIA-Rocquencourt
2856 138 394 BTnet UK Regional network
517 137 138 Xlink
3303 127 277 Swisscom
5400 110 31 Concert Internet Plus Europea
1901 103 77 EUnet Austria
1267 95 985 IUnet S.p.A
3269 94 289 TELECOM ITALIA
3259 93 88 UUNET FRANCE
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2603 3623 UUNET Technologies, Inc.
1 1008 4612 BBN Planet
7018 898 3024 AT&T
7046 713 518 UUNET Technologies, Inc.
1239 704 1630 Sprint ICM-Inria
2914 628 1296 Verio, Inc.
174 593 2814 PSINet Inc.
705 583 37 UUNET Technologies, Inc.
3561 568 1295 Cable & Wireless USA
2548 540 523 Digital Express Group, Inc.
2551 526 346 NETCOM On-Line Communication
3549 522 436 Frontier GlobalCenter
8013 518 64 PSINet Ltd. Canada
4293 443 56 Cable & Wireless USA
209 431 633 Qwest
271 424 271 BCnet Backbone
3602 411 78 Sprint Canada
3908 386 280 Supernet, Inc.
6082 360 63 Management Analysis, Incorpor
8151 354 192 UniNet S.A. de C.V.
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2603 3623 UUNET Technologies, Inc.
1221 2375 1189 Telstra
1 1008 4612 BBN Planet
7018 898 3024 AT&T
7046 713 518 UUNET Technologies, Inc.
1239 704 1630 Sprint ICM-Inria
2914 628 1296 Verio, Inc.
174 593 2814 PSINet Inc.
705 583 37 UUNET Technologies, Inc.
3561 568 1295 Cable & Wireless USA
2548 540 523 Digital Express Group, Inc.
2551 526 346 NETCOM On-Line Communication
3549 522 436 Frontier GlobalCenter
8013 518 64 PSINet Ltd. Canada
4293 443 56 Cable & Wireless USA
2764 433 139 connect.com.au pty ltd
209 431 633 Qwest
271 424 271 BCnet Backbone
3602 411 78 Sprint Canada
3301 392 306 TeliaNet Sweden
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,
65000 PRIVATE 199.114.36.0/24 721 DLA Systems Automati
65000 PRIVATE 199.252.48.0/24 721 DLA Systems Automati
65000 PRIVATE 199.252.50.0/24 721 DLA Systems Automati
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
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 /10:5 /11:10 /12:32
/13:61 /14:196 /15:305 /16:6802 /17:1023 /18:2028
/19:6311 /20:4491 /21:4283 /22:6505 /23:8456 /24:58107
/25:293 /26:398 /27:229 /28:187 /29:166 /30:299
/31:1 /32:218
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:308 15:1 24:632 26:1 32:6
38:9 44:2 53:2 55:1 57:9 61:59
62:104 63:1619 64:1194 65:35 66:84 91:1
128:32 129:205 130:20 131:31 132:9 133:4
134:94 135:8 136:123 137:78 138:191 139:54
140:97 141:23 142:116 143:38 144:126 145:11
146:132 147:90 148:120 149:112 150:21 151:330
152:961 153:91 154:76 155:70 156:15 157:111
158:56 159:52 160:17 161:57 162:61 163:123
164:105 165:98 166:175 167:82 168:67 169:30
170:194 171:2 192:5382 193:1815 194:1990 195:753
196:395 198:3729 199:3371 200:1793 202:2443 203:5213
204:3559 205:2487 206:2827 207:2997 208:2879 209:3462
210:382 211:136 212:796 213:294 214:8 215:11
216:2715 217:92
End of report
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