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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 Feb, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100613
Origin ASes present in the Internet Routing Table: 9810
Origin ASes announcing only one prefix: 3490
Transit ASes present in the Internet Routing Table: 1307
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: 18
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: 1202623532
Equivalent to 71 /8s, 174 /16s and 148 /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: 15559
Prefixes being announced from the APNIC address blocks: 14001
APNIC Region origin ASes present in the Internet Routing Table: 1142
APNIC Region origin ASes announcing only one prefix: 405
APNIC Region transit ASes present in the Internet Routing Table: 185
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 65589157
Equivalent to 3 /8s, 232 /16s and 207 /24s
Percentage of available APNIC address space announced: 64.5
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: 69602
Prefixes being announced from the ARIN address blocks: 47257
ARIN Region origin ASes present in the Internet Routing Table: 5973
ARIN Region origin ASes announcing only one prefix: 1732
ARIN Region transit ASes present in the Internet Routing Table: 624
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 175639111
Equivalent to 10 /8s, 120 /16s and 10 /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: 15434
Prefixes being announced from the RIPE address blocks: 12173
RIPE Region origin ASes present in the Internet Routing Table: 2694
RIPE Region origin ASes announcing only one prefix: 1351
RIPE Region transit ASes present in the Internet Routing Table: 496
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 89503349
Equivalent to 5 /8s, 85 /16s and 182 /24s
Percentage of available RIPE address space announced: 76.2
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 2380 1189 Telstra
2764 436 139 connect.com.au pty ltd
2907 367 900 SINET Japan
703 365 247 UUNET Technologies, Inc.
4755 323 111 VSNL India
4740 255 16 Ozemail
7657 219 13 The Internet Group Limited
4618 208 56 Internet Thailand
9269 208 23 Hong Kong CTI
7545 205 7 TPG Internet Pty Ltd
7474 192 90 Optus Communications
4763 190 43 Telstra New Zealand
4766 173 619 KORnet Powered BY Korea Telec
4134 169 523 Data Communications Bureau
7586 135 10 Paradox Digital Pty. Ltd
3462 131 181 Data Communications Institute
4786 129 7 NetConnect Communications Pty
7496 123 9 Power Up
7617 122 46 One.Net Pty Ltd
9797 121 10 Asia Online Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
3301 393 306 TeliaNet Sweden
702 366 490 UUNET Technologies, Inc.
1270 333 432 UUNET Germany
1257 316 240 Swipnet AB
3215 204 180 RAIN
5515 193 359 Sonera Finland
719 192 146 LANLINK
680 188 864 Deutschef Forschurgsnetz
786 184 960 JANET IP Service
3320 167 462 Deutsche Telekom AG
1849 164 280 UUNET UK (formerly PIPEX)
1942 140 53 GIP Renater
2856 138 394 BTnet UK Regional network
517 135 137 Xlink
3303 128 277 Swisscom
5400 109 32 Concert Internet Plus Europea
1901 103 77 EUnet Austria
1267 98 986 IUnet S.p.A
3259 94 88 UUNET FRANCE
1290 83 196 PSINet UK Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2602 3599 UUNET Technologies, Inc.
1 1009 4612 BBN Planet
7018 915 3025 AT&T
7046 721 542 UUNET Technologies, Inc.
1239 691 1614 Sprint ICM-Inria
2914 629 1293 Verio, Inc.
705 597 37 UUNET Technologies, Inc.
174 595 2814 PSINet Inc.
3561 560 1286 Cable & Wireless USA
2548 543 523 Digital Express Group, Inc.
3549 530 440 Frontier GlobalCenter
8013 523 64 PSINet Ltd. Canada
2551 507 345 NETCOM On-Line Communication
4293 448 56 Cable & Wireless USA
209 432 633 Qwest
271 424 271 BCnet Backbone
3908 387 280 Supernet, Inc.
8151 358 192 UniNet S.A. de C.V.
6082 357 63 Management Analysis, Incorpor
690 331 27 Merit Network
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2602 3599 UUNET Technologies, Inc.
1221 2380 1189 Telstra
1 1009 4612 BBN Planet
7018 915 3025 AT&T
7046 721 542 UUNET Technologies, Inc.
1239 691 1614 Sprint ICM-Inria
2914 629 1293 Verio, Inc.
705 597 37 UUNET Technologies, Inc.
174 595 2814 PSINet Inc.
3561 560 1286 Cable & Wireless USA
2548 543 523 Digital Express Group, Inc.
3549 530 440 Frontier GlobalCenter
8013 523 64 PSINet Ltd. Canada
2551 507 345 NETCOM On-Line Communication
4293 448 56 Cable & Wireless USA
2764 436 139 connect.com.au pty ltd
209 432 633 Qwest
271 424 271 BCnet Backbone
3301 393 306 TeliaNet Sweden
3908 387 280 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65535 PRIVATE 63.140.210.0/23 5696 WINSTAR
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
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
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 /16:6804 /17:1026 /18:2032
/19:6324 /20:4532 /21:4287 /22:6490 /23:8451 /24:58178
/25:294 /26:397 /27:233 /28:219 /29:169 /30:316
/31:1 /32:226
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:303 15:1 24:621 26:1 32:6
38:9 44:2 53:2 55:1 57:9 61:60
62:111 63:1622 64:1194 65:42 66:109 91:1
128:32 129:223 130:20 131:31 132:9 133:4
134:95 135:8 136:123 137:144 138:189 139:51
140:101 141:23 142:58 143:38 144:126 145:11
146:130 147:90 148:120 149:114 150:23 151:331
152:964 153:62 154:76 155:71 156:14 157:109
158:56 159:56 160:19 161:57 162:61 163:127
164:105 165:101 166:173 167:82 168:68 169:30
170:208 171:2 192:5407 193:1820 194:1986 195:759
196:397 198:3742 199:3407 200:1802 202:2450 203:5203
204:3571 205:2464 206:2823 207:2949 208:2878 209:3442
210:389 211:138 212:824 213:304 214:8 215:11
216:2676 217:96
End of report
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