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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 25 Jan, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100267
Origin ASes present in the Internet Routing Table: 9743
Origin ASes announcing only one prefix: 3449
Transit ASes present in the Internet Routing Table: 1291
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: 1200842503
Equivalent to 71 /8s, 147 /16s and 103 /24s
Percentage of available address space announced: 32.4
Percentage of allocated address space announced: 63.5
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15455
Prefixes being announced from the APNIC address blocks: 13924
APNIC Region origin ASes present in the Internet Routing Table: 1142
APNIC Region origin ASes announcing only one prefix: 406
APNIC Region transit ASes present in the Internet Routing Table: 183
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 65311739
Equivalent to 3 /8s, 228 /16s and 147 /24s
Percentage of available APNIC address space announced: 76.9
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
APNIC Address Blocks 61/8, 202/7 and 210/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 69445
Prefixes being announced from the ARIN address blocks: 47196
ARIN Region origin ASes present in the Internet Routing Table: 5932
ARIN Region origin ASes announcing only one prefix: 1707
ARIN Region transit ASes present in the Internet Routing Table: 620
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 175449519
Equivalent to 10 /8s, 117 /16s and 37 /24s
Percentage of available ARIN address space announced: 80.4
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: 15351
Prefixes being announced from the RIPE address blocks: 12084
RIPE Region origin ASes present in the Internet Routing Table: 2668
RIPE Region origin ASes announcing only one prefix: 1336
RIPE Region transit ASes present in the Internet Routing Table: 486
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 89172484
Equivalent to 5 /8s, 80 /16s and 170 /24s
Percentage of available RIPE address space announced: 75.9
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 2373 1189 Telstra
2764 427 139 connect.com.au pty ltd
2907 364 883 SINET Japan
703 362 243 UUNET Technologies, Inc.
4755 349 112 VSNL India
4740 257 16 Ozemail
7657 222 12 The Internet Group Limited
4618 208 56 Internet Thailand
9269 208 23 Hong Kong CTI
7545 204 7 TPG Internet Pty Ltd
4763 191 43 Telstra New Zealand
7474 186 84 Optus Communications
4766 177 619 KORnet Powered BY Korea Telec
4134 164 509 Data Communications Bureau
7586 135 10 Paradox Digital Pty. Ltd
3462 128 180 Data Communications Institute
4786 128 7 NetConnect Communications Pty
7496 123 9 Power Up
7617 121 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 391 306 TeliaNet Sweden
702 354 478 UUNET Technologies, Inc.
1270 340 433 UUNET Germany
1257 317 248 Swipnet AB
3215 202 181 RAIN
719 192 146 LANLINK
5515 192 351 Sonera Finland
786 184 960 JANET IP Service
1849 172 290 UUNET UK (formerly PIPEX)
680 169 854 Deutschef Forschurgsnetz
3320 167 462 Deutsche Telekom AG
1942 140 53 INRIA-Rocquencourt
517 136 137 Xlink
2856 136 394 BTnet UK Regional network
3303 126 277 Swisscom
5400 109 31 Concert Internet Plus Europea
1901 103 77 EUnet Austria
1267 95 985 IUnet S.p.A
3269 94 289 TELECOM ITALIA
3259 91 88 UUNET FRANCE
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2601 3614 UUNET Technologies, Inc.
1 1016 4620 BBN Planet
7018 896 3015 AT&T
7046 705 521 UUNET Technologies, Inc.
1239 695 1628 Sprint ICM-Inria
2914 624 1296 Verio, Inc.
2548 610 527 Digital Express Group, Inc.
174 593 2814 PSINet Inc.
705 569 36 UUNET Technologies, Inc.
3561 567 1299 Cable & Wireless USA
2551 528 346 NETCOM On-Line Communication
8013 526 64 PSINet Ltd. Canada
3549 522 436 Frontier GlobalCenter
4293 443 56 Cable & Wireless USA
209 428 632 Qwest
3602 425 79 Sprint Canada
271 424 271 BCnet Backbone
3908 387 280 Supernet, Inc.
6082 360 63 Management Analysis, Incorpor
8151 357 192 UniNet S.A. de C.V.
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2601 3614 UUNET Technologies, Inc.
1221 2373 1189 Telstra
1 1016 4620 BBN Planet
7018 896 3015 AT&T
7046 705 521 UUNET Technologies, Inc.
1239 695 1628 Sprint ICM-Inria
2914 624 1296 Verio, Inc.
2548 610 527 Digital Express Group, Inc.
174 593 2814 PSINet Inc.
705 569 36 UUNET Technologies, Inc.
3561 567 1299 Cable & Wireless USA
2551 528 346 NETCOM On-Line Communication
8013 526 64 PSINet Ltd. Canada
3549 522 436 Frontier GlobalCenter
4293 443 56 Cable & Wireless USA
209 428 632 Qwest
2764 427 139 connect.com.au pty ltd
3602 425 79 Sprint Canada
271 424 271 BCnet Backbone
3301 391 306 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
/13:60 /14:196 /15:305 /16:6798 /17:1020 /18:2023
/19:6294 /20:4463 /21:4325 /22:6482 /23:8416 /24:58015
/25:290 /26:400 /27:228 /28:191 /29:161 /30:298
/31:1 /32:229
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:306 15:1 24:632 26:1 32:6
38:9 44:2 53:2 55:1 57:9 61:59
62:104 63:1593 64:1197 65:30 66:80 91:1
128:28 129:197 130:20 131:31 132:9 133:4
134:94 135:8 136:121 137:78 138:189 139:54
140:104 141:19 142:60 143:36 144:126 145:11
146:130 147:90 148:120 149:112 150:21 151:330
152:962 153:119 154:76 155:68 156:15 157:109
158:57 159:52 160:17 161:57 162:64 163:123
164:105 165:98 166:175 167:76 168:70 169:30
170:195 171:2 191:1 192:5377 193:1811 194:1987
195:769 196:395 198:3735 199:3396 200:1788 202:2466
203:5199 204:3572 205:2470 206:2853 207:2991 208:2864
209:3450 210:383 211:135 212:777 213:293 214:8
215:11 216:2696 217:90
End of report
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