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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 30 Jan, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100520
Origin ASes present in the Internet Routing Table: 9786
Origin ASes announcing only one prefix: 3468
Transit ASes present in the Internet Routing Table: 1299
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: 17
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: 1202872971
Equivalent to 71 /8s, 178 /16s and 98 /24s
Percentage of available address space announced: 32.5
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: 15504
Prefixes being announced from the APNIC address blocks: 13957
APNIC Region origin ASes present in the Internet Routing Table: 1143
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: 11
Number of APNIC addresses announced to Internet: 65507928
Equivalent to 3 /8s, 231 /16s and 146 /24s
Percentage of available APNIC address space announced: 64.4
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: 69606
Prefixes being announced from the ARIN address blocks: 47284
ARIN Region origin ASes present in the Internet Routing Table: 5960
ARIN Region origin ASes announcing only one prefix: 1721
ARIN Region transit ASes present in the Internet Routing Table: 622
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 175920143
Equivalent to 10 /8s, 124 /16s and 84 /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: 12110
RIPE Region origin ASes present in the Internet Routing Table: 2681
RIPE Region origin ASes announcing only one prefix: 1341
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: 89515624
Equivalent to 5 /8s, 85 /16s and 230 /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 2375 1189 Telstra
2764 433 139 connect.com.au pty ltd
703 366 247 UUNET Technologies, Inc.
2907 366 892 SINET Japan
4755 343 113 VSNL India
4740 259 24 Ozemail
7657 222 13 The Internet Group Limited
4618 208 56 Internet Thailand
9269 208 23 Hong Kong CTI
7545 204 7 TPG Internet Pty Ltd
4763 190 43 Telstra New Zealand
7474 188 84 Optus Communications
4766 176 619 KORnet Powered BY Korea Telec
4134 168 521 Data Communications Bureau
7586 136 10 Paradox Digital Pty. Ltd
3462 129 180 Data Communications Institute
4786 128 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
702 362 488 UUNET Technologies, Inc.
1270 341 433 UUNET Germany
1257 316 248 Swipnet AB
5515 193 351 Sonera Finland
719 192 146 LANLINK
680 187 855 Deutschef Forschurgsnetz
786 184 960 JANET IP Service
3215 170 180 RAIN
3320 167 462 Deutsche Telekom AG
1849 164 289 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 109 31 Concert Internet Plus Europea
1901 103 77 EUnet Austria
1267 98 986 IUnet S.p.A
3259 93 88 UUNET FRANCE
3269 93 289 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2607 3623 UUNET Technologies, Inc.
1 1006 4612 BBN Planet
7018 906 3024 AT&T
7046 716 526 UUNET Technologies, Inc.
1239 703 1630 Sprint ICM-Inria
2914 626 1296 Verio, Inc.
174 598 2814 PSINet Inc.
705 588 37 UUNET Technologies, Inc.
3561 565 1287 Cable & Wireless USA
2548 543 523 Digital Express Group, Inc.
2551 530 346 NETCOM On-Line Communication
8013 523 64 PSINet Ltd. Canada
3549 521 436 Frontier GlobalCenter
4293 450 57 Cable & Wireless USA
209 432 633 Qwest
3602 426 78 Sprint Canada
271 424 271 BCnet Backbone
3908 386 280 Supernet, Inc.
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 2607 3623 UUNET Technologies, Inc.
1221 2375 1189 Telstra
1 1006 4612 BBN Planet
7018 906 3024 AT&T
7046 716 526 UUNET Technologies, Inc.
1239 703 1630 Sprint ICM-Inria
2914 626 1296 Verio, Inc.
174 598 2814 PSINet Inc.
705 588 37 UUNET Technologies, Inc.
3561 565 1287 Cable & Wireless USA
2548 543 523 Digital Express Group, Inc.
2551 530 346 NETCOM On-Line Communication
8013 523 64 PSINet Ltd. Canada
3549 521 436 Frontier GlobalCenter
4293 450 57 Cable & Wireless USA
2764 433 139 connect.com.au pty ltd
209 432 633 Qwest
3602 426 78 Sprint Canada
271 424 271 BCnet Backbone
3301 393 306 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
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 /15:307 /16:6805 /17:1029 /18:2036
/19:6316 /20:4489 /21:4279 /22:6498 /23:8466 /24:58183
/25:291 /26:396 /27:229 /28:188 /29:164 /30:301
/31:1 /32:213
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:307 15:1 24:632 26:1 32:5
38:9 44:2 53:2 55:1 57:9 61:61
62:103 63:1622 64:1197 65:35 66:84 91:1
128:32 129:220 130:20 131:31 132:9 133:4
134:93 135:8 136:123 137:105 138:190 139:51
140:102 141:23 142:116 143:38 144:126 145:11
146:132 147:89 148:120 149:112 150:22 151:330
152:962 153:64 154:76 155:71 156:15 157:111
158:56 159:57 160:17 161:57 162:61 163:126
164:105 165:99 166:174 167:82 168:68 169:30
170:195 171:2 192:5405 193:1806 194:1990 195:761
196:395 198:3742 199:3370 200:1789 202:2464 203:5208
204:3571 205:2478 206:2831 207:3002 208:2871 209:3466
210:382 211:137 212:794 213:291 214:8 215:11
216:2705 217:96
End of report
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