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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 11 Feb, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100782
Origin ASes present in the Internet Routing Table: 9907
Origin ASes announcing only one prefix: 3524
Transit ASes present in the Internet Routing Table: 1324
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: 15
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 4
Number of addresses announced to Internet: 1207388822
Equivalent to 71 /8s, 247 /16s and 74 /24s
Percentage of available address space announced: 32.6
Percentage of allocated address space announced: 63.9
Percentage of available address space allocated: 51.0
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15725
Prefixes being announced from the APNIC address blocks: 14063
APNIC Region origin ASes present in the Internet Routing Table: 1142
APNIC Region origin ASes announcing only one prefix: 410
APNIC Region transit ASes present in the Internet Routing Table: 189
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 13
Number of APNIC addresses announced to Internet: 69681550
Equivalent to 4 /8s, 39 /16s and 65 /24s
Percentage of available APNIC address space announced: 68.5
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: 69695
Prefixes being announced from the ARIN address blocks: 47346
ARIN Region origin ASes present in the Internet Routing Table: 6047
ARIN Region origin ASes announcing only one prefix: 1759
ARIN Region transit ASes present in the Internet Routing Table: 631
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 176436397
Equivalent to 10 /8s, 132 /16s and 52 /24s
Percentage of available ARIN address space announced: 80.9
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: 15347
Prefixes being announced from the RIPE address blocks: 12105
RIPE Region origin ASes present in the Internet Routing Table: 2717
RIPE Region origin ASes announcing only one prefix: 1353
RIPE Region transit ASes present in the Internet Routing Table: 503
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 89757496
Equivalent to 5 /8s, 89 /16s and 151 /24s
Percentage of available RIPE address space announced: 76.4
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 2441 1199 Telstra
2764 435 140 connect.com.au pty ltd
703 417 246 UUNET Technologies, Inc.
2907 366 892 SINET Japan
4755 314 111 VSNL India
7657 216 12 The Internet Group Limited
4618 206 56 Internet Thailand
7545 205 7 TPG Internet Pty Ltd
4740 204 13 Ozemail
9269 201 23 Hong Kong CTI
4538 199 972 China Education and Research
4763 191 44 Telstra New Zealand
7474 190 87 Optus Communications
4134 171 535 Data Communications Bureau
4766 170 619 KORnet Powered BY Korea Telec
3462 136 205 Data Communications Institute
7586 135 10 Paradox Digital Pty. Ltd
7539 129 83 Delegated to TWNIC for subseq
4786 127 7 NetConnect Communications Pty
7496 124 9 Power Up
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
3301 391 314 TeliaNet Sweden
702 386 589 UUNET Technologies, Inc.
1257 320 240 Swipnet AB
1270 270 433 UUNET Germany
3215 205 182 RAIN
680 194 856 Deutschef Forschurgsnetz
719 191 146 LANLINK
786 184 960 JANET IP Service
5515 172 326 Sonera Finland
3320 167 462 Deutsche Telekom AG
1849 152 271 UUNET UK (formerly PIPEX)
1942 140 53 GIP Renater
2856 140 394 BTnet UK Regional network
517 133 137 Xlink
3303 128 277 Swisscom
5400 109 31 Concert Internet Plus Europea
1901 104 77 EUnet Austria
1267 99 986 IUnet S.p.A
2830 86 30 UUNET UK (formerly PIPEX)
3269 85 267 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2609 3559 UUNET Technologies, Inc.
1 1015 4582 BBN Planet
7018 907 3022 AT&T
7046 747 551 UUNET Technologies, Inc.
1239 694 1580 Sprint ICM-Inria
705 663 39 UUNET Technologies, Inc.
2914 614 1272 Verio, Inc.
174 596 2789 PSINet Inc.
3561 578 1308 Cable & Wireless USA
3549 538 442 Frontier GlobalCenter
8013 509 64 PSINet Ltd. Canada
2551 498 344 NETCOM On-Line Communication
4293 467 57 Cable & Wireless USA
209 441 649 Qwest
271 434 271 BCnet Backbone
2548 398 523 Digital Express Group, Inc.
3908 390 280 Supernet, Inc.
6082 358 63 Management Analysis, Incorpor
8151 356 192 UniNet S.A. de C.V.
690 327 18 Merit Network
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2609 3559 UUNET Technologies, Inc.
1221 2441 1199 Telstra
1 1015 4582 BBN Planet
7018 907 3022 AT&T
7046 747 551 UUNET Technologies, Inc.
1239 694 1580 Sprint ICM-Inria
705 663 39 UUNET Technologies, Inc.
2914 614 1272 Verio, Inc.
174 596 2789 PSINet Inc.
3561 578 1308 Cable & Wireless USA
3549 538 442 Frontier GlobalCenter
8013 509 64 PSINet Ltd. Canada
2551 498 344 NETCOM On-Line Communication
4293 467 57 Cable & Wireless USA
209 441 649 Qwest
2764 435 140 connect.com.au pty ltd
271 434 271 BCnet Backbone
703 417 246 UUNET Technologies, Inc.
2548 398 523 Digital Express Group, Inc.
3301 391 314 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 150.186.0.0/16 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
61512 RESERVED 170.224.16.0/20 17232 Enhanced Network Ser
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,
64526 PRIVATE 202.37.160.0/24 4768 Clear Communications
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
50.198.0.0/16 2548 Digital Express Group, Inc.
91.16.23.0/24 11770 Net56
103.22.7.0/24 9768 PubNet (Korea Telecom)
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 /15:306 /16:6856 /17:1039 /18:2034
/19:6337 /20:4647 /21:4324 /22:6511 /23:8477 /24:58532
/25:275 /26:349 /27:136 /28:106 /29:102 /30:288
/31:0 /32:134
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:310 13:10 15:1 24:656 26:1
32:7 38:9 44:3 53:2 55:1 57:9
61:46 62:114 63:1712 64:1280 65:62 66:115
91:1 103:1 128:41 129:212 130:20 131:31
132:10 133:3 134:104 135:8 136:118 137:144
138:191 139:53 140:109 141:43 142:56 143:38
144:189 145:7 146:132 147:54 148:119 149:116
150:24 151:330 152:969 153:35 154:76 155:72
156:15 157:108 158:56 159:60 160:16 161:56
162:60 163:127 164:112 165:103 166:174 167:87
168:70 169:30 170:202 171:2 192:5415 193:1819
194:1993 195:777 196:393 198:3751 199:3434 200:1810
202:2418 203:5250 204:3617 205:2493 206:2787 207:2921
208:2919 209:3382 210:386 211:138 212:800 213:296
214:9 215:11 216:2683 217:105
End of report
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