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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 24 Jan, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100038
Origin ASes present in the Internet Routing Table: 9741
Origin ASes announcing only one prefix: 3451
Transit ASes present in the Internet Routing Table: 1301
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: 13
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 1
Number of addresses announced to Internet: 1199868586
Equivalent to 71 /8s, 132 /16s and 138 /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: 15383
Prefixes being announced from the APNIC address blocks: 13857
APNIC Region origin ASes present in the Internet Routing Table: 1138
APNIC Region origin ASes announcing only one prefix: 404
APNIC Region transit ASes present in the Internet Routing Table: 182
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 65341818
Equivalent to 3 /8s, 229 /16s and 9 /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: 69293
Prefixes being announced from the ARIN address blocks: 47116
ARIN Region origin ASes present in the Internet Routing Table: 5931
ARIN Region origin ASes announcing only one prefix: 1714
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: 175156402
Equivalent to 10 /8s, 112 /16s and 172 /24s
Percentage of available ARIN address space announced: 80.3
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: 15349
Prefixes being announced from the RIPE address blocks: 12092
RIPE Region origin ASes present in the Internet Routing Table: 2670
RIPE Region origin ASes announcing only one prefix: 1333
RIPE Region transit ASes present in the Internet Routing Table: 493
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 88819074
Equivalent to 5 /8s, 75 /16s and 69 /24s
Percentage of available RIPE address space announced: 75.6
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 2281 1186 Telstra
2764 430 139 connect.com.au pty ltd
2907 364 883 SINET Japan
703 362 243 UUNET Technologies, Inc.
4755 345 112 VSNL India
4740 257 16 Ozemail
7657 221 12 The Internet Group Limited
9269 208 23 Hong Kong CTI
4618 207 56 Internet Thailand
7545 203 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 168 521 Data Communications Bureau
7586 134 6 Paradox Digital Pty. Ltd
7496 129 10 Power Up
3462 128 180 Data Communications Institute
4786 128 7 NetConnect Communications Pty
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
702 352 470 UUNET Technologies, Inc.
1270 339 433 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 173 298 UUNET UK (formerly PIPEX)
680 169 854 Deutschef Forschurgsnetz
3320 167 462 Deutsche Telekom AG
1942 140 53 INRIA-Rocquencourt
517 137 139 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 96 986 IUnet S.p.A
3259 92 88 UUNET FRANCE
3269 88 241 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2594 3535 UUNET Technologies, Inc.
1 1023 4628 BBN Planet
7018 891 3014 AT&T
7046 710 522 UUNET Technologies, Inc.
1239 699 1629 Sprint ICM-Inria
2914 619 1288 Verio, Inc.
2548 607 527 Digital Express Group, Inc.
174 594 2814 PSINet Inc.
705 568 36 UUNET Technologies, Inc.
3561 566 1299 Cable & Wireless USA
2551 531 346 NETCOM On-Line Communication
8013 527 64 PSINet Ltd. Canada
3549 519 436 Frontier GlobalCenter
4293 443 56 Cable & Wireless USA
209 432 685 Qwest
271 424 271 BCnet Backbone
3908 386 280 Supernet, Inc.
3602 383 77 Sprint Canada
6082 359 63 Management Analysis, Incorpor
8151 355 192 UniNet S.A. de C.V.
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2594 3535 UUNET Technologies, Inc.
1221 2281 1186 Telstra
1 1023 4628 BBN Planet
7018 891 3014 AT&T
7046 710 522 UUNET Technologies, Inc.
1239 699 1629 Sprint ICM-Inria
2914 619 1288 Verio, Inc.
2548 607 527 Digital Express Group, Inc.
174 594 2814 PSINet Inc.
705 568 36 UUNET Technologies, Inc.
3561 566 1299 Cable & Wireless USA
2551 531 346 NETCOM On-Line Communication
8013 527 64 PSINet Ltd. Canada
3549 519 436 Frontier GlobalCenter
4293 443 56 Cable & Wireless USA
209 432 685 Qwest
2764 430 139 connect.com.au pty ltd
271 424 271 BCnet Backbone
3301 391 306 TeliaNet Sweden
3908 386 280 Supernet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
2027 UNALLOCATED 150.185.0.0/16 7927 Global One Venezuela
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
2027 UNALLOCATED 150.186.0.0/16 7927 Global One Venezuela
2027 UNALLOCATED 150.187.0.0/16 7927 Global One Venezuela
2027 UNALLOCATED 150.188.0.0/16 7927 Global One Venezuela
2027 UNALLOCATED 150.189.0.0/16 7927 Global One Venezuela
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,
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
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 /14:195 /15:306 /16:6789 /17:1014 /18:2025
/19:6289 /20:4458 /21:4328 /22:6480 /23:8402 /24:57921
/25:289 /26:401 /27:223 /28:189 /29:156 /30:224
/31:1 /32:216
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:304 15:1 24:636 26:1 32:6
38:8 44:2 53:2 55:1 57:9 61:60
62:104 63:1585 64:1206 65:27 66:80 91:1
128:28 129:192 130:20 131:31 132:9 133:4
134:94 135:8 136:121 137:78 138:189 139:54
140:103 141:19 142:60 143:36 144:124 145:11
146:130 147:91 148:119 149:111 150:21 151:330
152:962 153:118 154:76 155:65 156:14 157:109
158:57 159:52 160:17 161:57 162:64 163:123
164:118 165:96 166:175 167:76 168:70 169:30
170:191 171:2 191:1 192:5371 193:1814 194:1992
195:772 196:396 198:3744 199:3401 200:1780 202:2488
203:5123 204:3560 205:2472 206:2853 207:2995 208:2856
209:3418 210:378 211:133 212:776 213:298 214:8
215:11 216:2702 217:88
End of report
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