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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 04 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109124
Origin ASes present in the Internet Routing Table: 11811
Origin ASes announcing only one prefix: 4332
Transit ASes present in the Internet Routing Table: 1521
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 23
Illegal AS announcements present in the Routing Table: 69
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 14
Number of addresses announced to Internet: 1240377331
Equivalent to 73 /8s, 238 /16s and 167 /24s
Percentage of available address space announced: 33.5
Percentage of allocated address space announced: 64.4
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74009
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16320
Prefixes being announced from the APNIC address blocks: 14780
APNIC Region origin ASes present in the Internet Routing Table: 1378
APNIC Region origin ASes announcing only one prefix: 460
APNIC Region transit ASes present in the Internet Routing Table: 234
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 80651299
Equivalent to 4 /8s, 206 /16s and 164 /24s
Percentage of available APNIC address space announced: 79.3
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: 75198
Prefixes being announced from the ARIN address blocks: 53543
ARIN Region origin ASes present in the Internet Routing Table: 7104
ARIN Region origin ASes announcing only one prefix: 2108
ARIN Region transit ASes present in the Internet Routing Table: 705
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 215870836
Equivalent to 12 /8s, 221 /16s and 237 /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, 21504 - 22527
ARIN Address Blocks 24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 17601
Prefixes being announced from the RIPE address blocks: 13995
RIPE Region origin ASes present in the Internet Routing Table: 3337
RIPE Region origin ASes announcing only one prefix: 1764
RIPE Region transit ASes present in the Internet Routing Table: 583
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 107979615
Equivalent to 6 /8s, 111 /16s and 163 /24s
Percentage of available RIPE address space announced: 71.5
RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
20480 - 21503
RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv Description
1221 1605 1312 Telstra Pty Ltd
2764 412 374 connect.com.au pty ltd
703 401 372 UUNET Technologies, Inc.
2907 369 1847 SINET Japan
4755 295 162 Videsh Sanchar Nigam Ltd. Aut
7474 244 274 Optus Communications Pty Ltd
4134 235 1805 Data Communications Bureau
4740 186 23 OzEmail ISP
4766 181 1338 Korea Internet Exchange for "
7539 180 186 TANet2, sponsored by NSC, TAI
9443 158 53 Primus Telecommunications
4786 127 17 NetConnect Communications Pty
17557 127 8 Pakistan Telecom
7545 125 23 TPG Internet Pty Ltd
9768 123 378 Korea Telecom
4763 122 69 Telstra New Zealand
4713 117 885 NTT Communications Corporatio
17561 116 167 Internet service provision to
9583 114 60 Satyam Infoway Ltd.,
4808 105 192 CHINANET core WAN North
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 900 1973 UUNET Technologies, Inc.
3301 441 937 TeliaNet Sweden
1257 271 512 SWIPnet Swedish IP Network
680 242 2340 DFN-IP service G-WiN
3215 231 515 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 189 1942 Deutsche Telekom AG
786 185 1890 The JANET IP Service
8708 156 16 Romania Data Systems S.A.
15870 144 10 Global Center Frankfurt
5400 138 65 Concert European Core Network
719 137 288 LANLINK autonomous system
1270 136 717 UUNET Germany
3303 129 560 Swisscom Ltd
2856 127 776 BTnet UK Regional network
5549 127 67 Nextra Deutschland GmbH + Co.
15878 125 9 Global Center Paris
517 113 253 KPNQwest Germany GmbH
1267 103 1988 Infostrada S.p.A.
3269 100 761 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2269 9128 UUNET Technologies, Inc.
3908 1148 1557 Supernet, Inc.
7018 1059 7215 AT&T
1 883 8623 BBN Planet
7046 803 1004 UUNET Technologies, Inc.
1239 754 3372 Sprint
3967 616 470 Exodus Communication
209 549 2234 Qwest
690 514 80 Merit Network
2914 500 2303 Verio, Inc.
4293 456 112 Cable & Wireless USA
3561 408 2341 Cable & Wireless USA
705 398 82 UUNET Technologies, Inc.
721 394 4407 DLA Systems Automation Center
2548 389 1006 Business Internet, Inc.
3549 372 835 Global Crossing
2149 360 263 Performance Systems, Inc.
4323 355 352 Time Warner Communications, I
577 352 636 Bell Advanced Communications
3741 347 773 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2269 9128 UUNET Technologies, Inc.
1221 1605 1312 Telstra Pty Ltd
3908 1148 1557 Supernet, Inc.
7018 1059 7215 AT&T
702 900 1973 UUNET Technologies, Inc.
1 883 8623 BBN Planet
7046 803 1004 UUNET Technologies, Inc.
1239 754 3372 Sprint
3967 616 470 Exodus Communication
209 549 2234 Qwest
690 514 80 Merit Network
2914 500 2303 Verio, Inc.
4293 456 112 Cable & Wireless USA
3301 441 937 TeliaNet Sweden
2764 412 374 connect.com.au pty ltd
3561 408 2341 Cable & Wireless USA
703 401 372 UUNET Technologies, Inc.
705 398 82 UUNET Technologies, Inc.
721 394 4407 DLA Systems Automation Center
2548 389 1006 Business Internet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
22153 UNALLOCATED 63.167.108.0/24 1239 Sprint
6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.16.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.42.32.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.56.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.64.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.80.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.104.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.108.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw
22153 UNALLOCATED 65.161.192.0/24 1239 Sprint
22153 UNALLOCATED 65.165.127.0/24 1239 Sprint
65000 PRIVATE 138.163.4.0/24 665 Department of Navy
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
22153 UNALLOCATED 168.215.234.0/23 22026 Time Warner Telecom
22153 UNALLOCATED 168.215.236.0/23 22026 Time Warner Telecom
6971 UNALLOCATED 192.103.229.0/24 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.230.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.232.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.236.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 192.103.237.0/24 2516 Kokusai Denshin Denw
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
5555 UNALLOCATED 192.156.41.0/24 721 DLA Systems Automati
65460 PRIVATE 192.231.11.0/24 7018 AT&T
22290 UNALLOCATED 198.140.161.0/24 2914 Verio, Inc.
5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati
22290 UNALLOCATED 199.217.152.0/24 2914 Verio, Inc.
22290 UNALLOCATED 199.217.187.0/24 2914 Verio, Inc.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
22290 UNALLOCATED 205.159.194.0/24 2914 Verio, Inc.
6971 UNALLOCATED 206.58.248.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.248.0/21 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.252.0/23 2914 Verio, Inc.
6971 UNALLOCATED 206.58.254.0/23 2914 Verio, Inc.
64803 PRIVATE 206.81.213.0/24 6225 US West Communicatio
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
22290 UNALLOCATED 207.150.139.0/24 2914 Verio, Inc.
22075 UNALLOCATED 209.39.134.0/24 2914 Verio, Inc.
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw
64803 PRIVATE 216.160.71.0/24 6225 US West Communicatio
6971 UNALLOCATED 216.174.192.0/21 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.192.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.200.0/23 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.200.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.174.202.0/24 2914 Verio, Inc.
6971 UNALLOCATED 216.174.208.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.232.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.174.240.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.140.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.144.0/20 2914 Verio, Inc.
6971 UNALLOCATED 216.210.160.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.176.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.184.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.200.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.216.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.224.0/20 2914 Verio, Inc.
6971 UNALLOCATED 216.210.240.0/20 2914 Verio, Inc.
6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
128.65.0.0/16 3463 ACES Research Inc
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 400 Headquarters Standard Systems
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 BBN Planet
144.7.0.0/16 701 UUNET Technologies, Inc.
153.34.0.0/15 701 UUNET Technologies, Inc.
153.36.0.0/14 701 UUNET Technologies, Inc.
154.150.0.0/16 6494 IDCI
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
164.235.0.0/16 6025 US DOD NIC Unregistered
201.115.100.0/24 7018 AT&T
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:12 /12:33
/13:86 /14:226 /15:387 /16:7101 /17:1271 /18:2368
/19:6980 /20:5885 /21:4799 /22:7080 /23:9056 /24:62304
/25:306 /26:322 /27:250 /28:249 /29:150 /30:175
/31:1 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1458 1605 Telstra Pty Ltd
701 1445 2269 UUNET Technologies, Inc.
3908 873 1148 Supernet, Inc.
7046 627 803 UUNET Technologies, Inc.
702 613 900 UUNET Technologies, Inc.
7018 557 1059 AT&T
690 511 514 Merit Network
4293 442 456 Cable & Wireless USA
3967 436 616 Exodus Communication
1 428 883 BBN Planet
1239 418 754 Sprint
209 387 549 Qwest
2764 366 412 connect.com.au pty ltd
705 347 398 UUNET Technologies, Inc.
703 330 401 UUNET Technologies, Inc.
5106 327 346 Ameritech Advanced Data Servi
6995 306 319 Bell Atlantic Internet Soluti
4151 299 341 USDA
11371 299 310 Rhythms NetConnections
4323 297 355 Time Warner Communications, I
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:422 13:10 15:1 17:5
20:1 24:811 25:1 26:1 32:74 38:14
43:3 44:2 53:2 57:15 61:99 62:145
63:1931 64:1301 65:795 66:468 67:32 80:63
128:51 129:107 130:19 131:44 132:39 133:2
134:142 135:12 136:94 137:92 138:228 139:45
140:176 141:194 142:55 143:39 144:152 145:30
146:146 147:129 148:83 149:87 150:38 151:322
152:396 153:48 154:18 155:83 156:95 157:111
158:74 159:68 160:48 161:60 162:71 163:146
164:101 165:98 166:194 167:150 168:129 169:39
170:265 171:2 192:5616 193:1965 194:2051 195:847
196:459 198:4056 199:3882 200:2370 201:1 202:2807
203:4555 204:3377 205:2197 206:2922 207:2621 208:3127
209:3148 210:566 211:137 212:862 213:517 214:9
215:14 216:3082 217:389 218:2
End of report
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