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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 04 Feb, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100831
Origin ASes present in the Internet Routing Table: 9836
Origin ASes announcing only one prefix: 3474
Transit ASes present in the Internet Routing Table: 1316
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: 13
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: 1217621173
Equivalent to 72 /8s, 147 /16s and 108 /24s
Percentage of available address space announced: 32.9
Percentage of allocated address space announced: 64.4
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15490
Prefixes being announced from the APNIC address blocks: 13927
APNIC Region origin ASes present in the Internet Routing Table: 1137
APNIC Region origin ASes announcing only one prefix: 400
APNIC Region transit ASes present in the Internet Routing Table: 188
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 65876161
Equivalent to 3 /8s, 237 /16s and 48 /24s
Percentage of available APNIC address space announced: 64.8
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: 69935
Prefixes being announced from the ARIN address blocks: 47432
ARIN Region origin ASes present in the Internet Routing Table: 5998
ARIN Region origin ASes announcing only one prefix: 1729
ARIN Region transit ASes present in the Internet Routing Table: 634
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 176045485
Equivalent to 10 /8s, 126 /16s and 61 /24s
Percentage of available ARIN address space announced: 80.7
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: 15393
Prefixes being announced from the RIPE address blocks: 12121
RIPE Region origin ASes present in the Internet Routing Table: 2698
RIPE Region origin ASes announcing only one prefix: 1343
RIPE Region transit ASes present in the Internet Routing Table: 492
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 89423394
Equivalent to 5 /8s, 84 /16s and 126 /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 2376 1189 Telstra
2764 437 139 connect.com.au pty ltd
703 417 250 UUNET Technologies, Inc.
2907 363 883 SINET Japan
4755 296 108 VSNL India
7657 218 12 The Internet Group Limited
9269 209 24 Hong Kong CTI
4618 206 56 Internet Thailand
4740 205 13 Ozemail
7545 205 7 TPG Internet Pty Ltd
4763 190 43 Telstra New Zealand
7474 190 90 Optus Communications
4134 169 523 Data Communications Bureau
4766 169 618 KORnet Powered BY Korea Telec
3462 135 205 Data Communications Institute
7586 135 10 Paradox Digital Pty. Ltd
4786 128 7 NetConnect Communications Pty
7496 124 9 Power Up
9797 123 10 Asia Online Australia
7617 122 46 One.Net Pty Ltd
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
3301 391 306 TeliaNet Sweden
702 369 491 UUNET Technologies, Inc.
1270 333 432 UUNET Germany
1257 314 240 Swipnet AB
3215 203 180 RAIN
719 193 146 LANLINK
5515 193 359 Sonera Finland
680 191 864 Deutschef Forschurgsnetz
786 183 959 JANET IP Service
3320 166 462 Deutsche Telekom AG
1849 162 280 UUNET UK (formerly PIPEX)
1942 140 53 GIP Renater
2856 138 394 BTnet UK Regional network
517 134 137 Xlink
3303 128 277 Swisscom
5400 109 31 Concert Internet Plus Europea
1901 104 77 EUnet Austria
1267 98 986 IUnet S.p.A
3259 94 88 UUNET FRANCE
2830 84 30 UUNET UK (formerly PIPEX)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2627 3610 UUNET Technologies, Inc.
1 1001 4564 BBN Planet
7018 911 3016 AT&T
7046 727 542 UUNET Technologies, Inc.
1239 698 1588 Sprint ICM-Inria
2914 615 1289 Verio, Inc.
705 611 38 UUNET Technologies, Inc.
174 596 2806 PSINet Inc.
3561 551 1306 Cable & Wireless USA
2548 548 523 Digital Express Group, Inc.
3549 534 441 Frontier GlobalCenter
8013 518 64 PSINet Ltd. Canada
2551 502 345 NETCOM On-Line Communication
4293 456 57 Cable & Wireless USA
209 436 649 Qwest
271 424 271 BCnet Backbone
3908 394 280 Supernet, Inc.
8151 359 192 UniNet S.A. de C.V.
6082 358 63 Management Analysis, Incorpor
11371 325 49 Rhythms NetConnections
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2627 3610 UUNET Technologies, Inc.
1221 2376 1189 Telstra
1 1001 4564 BBN Planet
7018 911 3016 AT&T
7046 727 542 UUNET Technologies, Inc.
1239 698 1588 Sprint ICM-Inria
2914 615 1289 Verio, Inc.
705 611 38 UUNET Technologies, Inc.
174 596 2806 PSINet Inc.
3561 551 1306 Cable & Wireless USA
2548 548 523 Digital Express Group, Inc.
3549 534 441 Frontier GlobalCenter
8013 518 64 PSINet Ltd. Canada
2551 502 345 NETCOM On-Line Communication
4293 456 57 Cable & Wireless USA
2764 437 139 connect.com.au pty ltd
209 436 649 Qwest
271 424 271 BCnet Backbone
703 417 250 UUNET Technologies, Inc.
3908 394 280 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 150.186.0.0/16 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,
17411 UNALLOCATED 202.137.32.0/21 703 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
111.0.0.0/8 237 Merit Network NETTEST14
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 /12:32
/13:61 /14:195 /15:306 /16:6808 /17:1027 /18:2035
/19:6324 /20:4547 /21:4281 /22:6492 /23:8426 /24:58442
/25:291 /26:386 /27:229 /28:217 /29:149 /30:319
/31:1 /32:223
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:308 13:10 15:1 24:643 26:1
32:6 38:9 44:2 53:2 55:1 57:8
61:61 62:113 63:1634 64:1239 65:50 66:113
91:1 128:33 129:231 130:20 131:31 132:9
133:4 134:105 135:8 136:122 137:144 138:191
139:51 140:106 141:141 142:58 143:38 144:126
145:11 146:132 147:92 148:120 149:114 150:24
151:329 152:959 153:62 154:76 155:70 156:15
157:109 158:56 159:56 160:17 161:57 162:60
163:124 164:105 165:102 166:174 167:83 168:70
169:30 170:207 171:2 192:5424 193:1813 194:1985
195:755 196:396 198:3745 199:3427 200:1799 202:2400
203:5205 204:3576 205:2466 206:2818 207:2970 208:2907
209:3390 210:379 211:135 212:788 213:305 214:9
215:11 216:2763 217:97
End of report
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