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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 06 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109243
Origin ASes present in the Internet Routing Table: 11837
Origin ASes announcing only one prefix: 4340
Transit ASes present in the Internet Routing Table: 1526
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 70
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: 1259742305
Equivalent to 75 /8s, 22 /16s and 36 /24s
Percentage of available address space announced: 34.0
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74024
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16431
Prefixes being announced from the APNIC address blocks: 14885
APNIC Region origin ASes present in the Internet Routing Table: 1381
APNIC Region origin ASes announcing only one prefix: 460
APNIC Region transit ASes present in the Internet Routing Table: 235
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 81225722
Equivalent to 4 /8s, 215 /16s and 103 /24s
Percentage of available APNIC address space announced: 79.9
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: 75185
Prefixes being announced from the ARIN address blocks: 53591
ARIN Region origin ASes present in the Internet Routing Table: 7118
ARIN Region origin ASes announcing only one prefix: 2110
ARIN Region transit ASes present in the Internet Routing Table: 703
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 234040208
Equivalent to 13 /8s, 243 /16s and 43 /24s
Percentage of available ARIN address space announced: 87.2
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: 17621
Prefixes being announced from the RIPE address blocks: 14033
RIPE Region origin ASes present in the Internet Routing Table: 3346
RIPE Region origin ASes announcing only one prefix: 1770
RIPE Region transit ASes present in the Internet Routing Table: 590
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 108082586
Equivalent to 6 /8s, 113 /16s and 53 /24s
Percentage of available RIPE address space announced: 71.6
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 1610 1313 Telstra Pty Ltd
2764 415 374 connect.com.au pty ltd
703 401 372 UUNET Technologies, Inc.
2907 369 1847 SINET Japan
4755 295 163 Videsh Sanchar Nigam Ltd. Aut
7474 244 274 Optus Communications Pty Ltd
4134 235 1805 Data Communications Bureau
4766 186 1450 Korea Internet Exchange for "
4740 185 23 OzEmail ISP
7539 181 186 TANet2, sponsored by NSC, TAI
9443 158 53 Primus Telecommunications
17557 129 8 Pakistan Telecom
7545 125 23 TPG Internet Pty Ltd
2521 124 170 PSINet Japan
4786 124 16 NetConnect Communications Pty
4763 123 69 Telstra New Zealand
9583 118 60 Satyam Infoway Ltd.,
9768 118 362 Korea Telecom
4713 117 885 NTT Communications Corporatio
17561 116 167 Internet service provision to
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 889 1994 UUNET Technologies, Inc.
3301 438 937 TeliaNet Sweden
1257 273 512 SWIPnet Swedish IP Network
680 242 2340 DFN-IP service G-WiN
3215 231 515 France Telecom / &Equant
5515 193 687 Sonera Finland Autonomous Sys
3320 187 1940 Deutsche Telekom AG
786 186 1890 The JANET IP Service
8708 157 16 Romania Data Systems S.A.
15870 144 10 Global Center Frankfurt
5400 140 64 Concert European Core Network
719 137 288 LANLINK autonomous system
1270 137 717 UUNET Germany
3303 129 560 Swisscom Ltd
2856 127 776 BTnet UK Regional network
5549 127 67 Nextra Deutschland GmbH + Co.
15878 123 9 Global Center Paris
517 113 253 KPNQwest Germany GmbH
1267 103 1988 Infostrada S.p.A.
12302 102 6 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2251 9143 UUNET Technologies, Inc.
3908 1135 1544 Supernet, Inc.
7018 1066 7248 AT&T
1 881 8623 BBN Planet
7046 809 1005 UUNET Technologies, Inc.
1239 760 3373 Sprint
3967 615 470 Exodus Communication
209 566 2250 Qwest
690 511 80 Merit Network
2914 493 2287 Verio, Inc.
4293 456 112 Cable & Wireless USA
3561 409 2357 Cable & Wireless USA
705 397 82 UUNET Technologies, Inc.
721 394 4407 DLA Systems Automation Center
2548 389 1007 Business Internet, Inc.
3549 374 843 Global Crossing
2149 361 263 Performance Systems, Inc.
4323 353 357 Time Warner Communications, I
577 351 636 Bell Advanced Communications
3741 346 773 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2251 9143 UUNET Technologies, Inc.
1221 1610 1313 Telstra Pty Ltd
3908 1135 1544 Supernet, Inc.
7018 1066 7248 AT&T
702 889 1994 UUNET Technologies, Inc.
1 881 8623 BBN Planet
7046 809 1005 UUNET Technologies, Inc.
1239 760 3373 Sprint
3967 615 470 Exodus Communication
209 566 2250 Qwest
690 511 80 Merit Network
2914 493 2287 Verio, Inc.
4293 456 112 Cable & Wireless USA
3301 438 937 TeliaNet Sweden
2764 415 374 connect.com.au pty ltd
3561 409 2357 Cable & Wireless USA
703 401 372 UUNET Technologies, Inc.
705 397 82 UUNET Technologies, Inc.
721 394 4407 DLA Systems Automation Center
2548 389 1007 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.
64512 PRIVATE 161.132.234.0/24 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 /8:18 /9:5 /10:8 /11:12 /12:33
/13:87 /14:226 /15:387 /16:7113 /17:1293 /18:2388
/19:7000 /20:5898 /21:4801 /22:7075 /23:9085 /24:62290
/25:311 /26:326 /27:256 /28:252 /29:151 /30:172
/31:1 /32:55
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1463 1610 Telstra Pty Ltd
701 1435 2251 UUNET Technologies, Inc.
3908 860 1135 Supernet, Inc.
7046 632 809 UUNET Technologies, Inc.
702 602 889 UUNET Technologies, Inc.
7018 561 1066 AT&T
690 508 511 Merit Network
4293 442 456 Cable & Wireless USA
3967 435 615 Exodus Communication
1 427 881 BBN Planet
1239 425 760 Sprint
209 403 566 Qwest
2764 369 415 connect.com.au pty ltd
705 346 397 UUNET Technologies, Inc.
703 330 401 UUNET Technologies, Inc.
5106 320 340 Ameritech Advanced Data Servi
4151 299 341 USDA
11371 299 310 Rhythms NetConnections
4323 295 353 Time Warner Communications, I
2548 280 389 Business Internet, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:416 13:10 15:1 17:5
20:1 24:805 25:1 26:1 32:73 38:14
43:3 44:2 53:2 57:15 61:100 62:146
63:1929 64:1305 65:815 66:469 67:32 80:65
128:52 129:111 130:19 131:44 132:39 133:2
134:123 135:13 136:92 137:92 138:153 139:49
140:177 141:194 142:56 143:39 144:146 145:30
146:148 147:129 148:188 149:87 150:38 151:178
152:391 153:48 154:18 155:83 156:95 157:112
158:74 159:69 160:47 161:61 162:70 163:146
164:101 165:99 166:197 167:154 168:128 169:39
170:284 171:2 192:5603 193:1968 194:2066 195:845
196:451 198:4097 199:3887 200:2393 201:1 202:2835
203:4586 204:3376 205:2208 206:2890 207:2588 208:3131
209:3135 210:575 211:138 212:857 213:529 214:9
215:14 216:3080 217:392 218:2
End of report
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