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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 12 Feb, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100729
Origin ASes present in the Internet Routing Table: 9910
Origin ASes announcing only one prefix: 3524
Transit ASes present in the Internet Routing Table: 1321
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: 14
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: 1207217560
Equivalent to 71 /8s, 244 /16s and 173 /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: 15670
Prefixes being announced from the APNIC address blocks: 14011
APNIC Region origin ASes present in the Internet Routing Table: 1143
APNIC Region origin ASes announcing only one prefix: 410
APNIC Region transit ASes present in the Internet Routing Table: 188
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 13
Number of APNIC addresses announced to Internet: 69603151
Equivalent to 4 /8s, 38 /16s and 15 /24s
Percentage of available APNIC address space announced: 68.4
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: 69717
Prefixes being announced from the ARIN address blocks: 47367
ARIN Region origin ASes present in the Internet Routing Table: 6051
ARIN Region origin ASes announcing only one prefix: 1761
ARIN Region transit ASes present in the Internet Routing Table: 634
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 176444013
Equivalent to 10 /8s, 132 /16s and 82 /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: 15328
Prefixes being announced from the RIPE address blocks: 12085
RIPE Region origin ASes present in the Internet Routing Table: 2714
RIPE Region origin ASes announcing only one prefix: 1351
RIPE Region transit ASes present in the Internet Routing Table: 498
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 89785018
Equivalent to 5 /8s, 90 /16s and 2 /24s
Percentage of available RIPE address space announced: 76.5
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 2439 1199 Telstra
2764 430 140 connect.com.au pty ltd
703 417 246 UUNET Technologies, Inc.
2907 364 876 SINET Japan
4755 286 104 VSNL India
7657 216 12 The Internet Group Limited
4618 208 56 Internet Thailand
7545 205 7 TPG Internet Pty Ltd
4740 203 13 Ozemail
9269 201 23 Hong Kong CTI
4538 199 972 China Education and Research
4763 190 43 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
9797 125 11 Asia Online Australia
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 265 433 UUNET Germany
3215 205 182 RAIN
680 194 856 Deutschef Forschurgsnetz
719 191 146 LANLINK
786 184 960 JANET IP Service
5515 169 326 Sonera Finland
3320 167 462 Deutsche Telekom AG
1849 153 271 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 106 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 2614 3559 UUNET Technologies, Inc.
1 1017 4582 BBN Planet
7018 907 2998 AT&T
7046 743 551 UUNET Technologies, Inc.
1239 693 1580 Sprint ICM-Inria
705 665 40 UUNET Technologies, Inc.
2914 615 1272 Verio, Inc.
174 595 2789 PSINet Inc.
3561 578 1308 Cable & Wireless USA
3549 539 442 Frontier GlobalCenter
8013 508 64 PSINet Ltd. Canada
2551 495 344 NETCOM On-Line Communication
4293 468 57 Cable & Wireless USA
209 442 649 Qwest
271 437 273 BCnet Backbone
2548 398 523 Digital Express Group, Inc.
3908 391 280 Supernet, Inc.
6082 358 63 Management Analysis, Incorpor
8151 354 192 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 2614 3559 UUNET Technologies, Inc.
1221 2439 1199 Telstra
1 1017 4582 BBN Planet
7018 907 2998 AT&T
7046 743 551 UUNET Technologies, Inc.
1239 693 1580 Sprint ICM-Inria
705 665 40 UUNET Technologies, Inc.
2914 615 1272 Verio, Inc.
174 595 2789 PSINet Inc.
3561 578 1308 Cable & Wireless USA
3549 539 442 Frontier GlobalCenter
8013 508 64 PSINet Ltd. Canada
2551 495 344 NETCOM On-Line Communication
4293 468 57 Cable & Wireless USA
209 442 649 Qwest
271 437 273 BCnet Backbone
2764 430 140 connect.com.au pty ltd
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,
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 /15:307 /16:6852 /17:1038 /18:2034
/19:6339 /20:4644 /21:4324 /22:6507 /23:8486 /24:58490
/25:268 /26:343 /27:136 /28:106 /29:102 /30:288
/31:0 /32:136
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:3 12:310 13:10 15:1 24:657 26:1
32:7 38:9 44:3 53:2 55:1 57:8
61:46 62:114 63:1716 64:1276 65:62 66:115
91:1 103:1 128:41 129:237 130:20 131:31
132:10 133:3 134:104 135:8 136:117 137:144
138:191 139:53 140:109 141:44 142:56 143:38
144:189 145:7 146:133 147:53 148:119 149:116
150:24 151:330 152:970 153:35 154:76 155:72
156:15 157:108 158:56 159:60 160:16 161:56
162:60 163:126 164:110 165:104 166:174 167:87
168:69 169:30 170:202 171:2 192:5408 193:1811
194:1979 195:778 196:393 198:3744 199:3442 200:1810
202:2389 203:5236 204:3617 205:2496 206:2799 207:2915
208:2919 209:3384 210:386 211:136 212:794 213:297
214:9 215:11 216:2685 217:104
End of report
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