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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 Nov, 2001
Analysis Summary
----------------
BGP routing table entries examined: 107535
Origin ASes present in the Internet Routing Table: 11923
Origin ASes announcing only one prefix: 4444
Transit ASes present in the Internet Routing Table: 1579
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 16
Illegal AS announcements present in the Routing Table: 68
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: 1258901915
Equivalent to 75 /8s, 9 /16s and 81 /24s
Percentage of available address space announced: 34.0
Percentage of allocated address space announced: 64.8
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 72792
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16829
Prefixes being announced from the APNIC address blocks: 15315
APNIC Region origin ASes present in the Internet Routing Table: 1396
APNIC Region origin ASes announcing only one prefix: 453
APNIC Region transit ASes present in the Internet Routing Table: 242
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 88200137
Equivalent to 5 /8s, 65 /16s and 211 /24s
Percentage of available APNIC address space announced: 74.4
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 72856
Prefixes being announced from the ARIN address blocks: 51667
ARIN Region origin ASes present in the Internet Routing Table: 7122
ARIN Region origin ASes announcing only one prefix: 2167
ARIN Region transit ASes present in the Internet Routing Table: 737
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 219522977
Equivalent to 13 /8s, 21 /16s and 167 /24s
Percentage of available ARIN address space announced: 81.8
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 - 23551
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: 17849
Prefixes being announced from the RIPE address blocks: 14417
RIPE Region origin ASes present in the Internet Routing Table: 3415
RIPE Region origin ASes announcing only one prefix: 1824
RIPE Region transit ASes present in the Internet Routing Table: 599
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 109357781
Equivalent to 6 /8s, 132 /16s and 170 /24s
Percentage of available RIPE address space announced: 72.4
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 1552 1304 Telstra Pty Ltd
2764 402 357 connect.com.au pty ltd
703 383 351 UUNET Technologies, Inc.
2907 376 1897 SINET Japan
4755 301 162 Videsh Sanchar Nigam Ltd. Aut
7474 297 275 Optus Communications Pty Ltd
4134 253 1900 Data Communications Bureau
4766 183 1415 Korea Internet Exchange for "
4740 169 26 OzEmail ISP
17676 166 1957 XTAGE CORPORATION
9443 164 53 Primus Telecommunications
1659 154 1156 Taiwan Academic Network (TANe
7539 154 159 TANet2, sponsored by NSC, TAI
17557 145 10 Pakistan Telecom
4812 137 305 China Telecom (Group)
2521 133 171 PSINet Japan
9583 129 61 Satyam Infoway Ltd.,
9768 128 362 Korea Telecom
4786 123 14 NetConnect Communications Pty
4763 121 69 Telstra New Zealand
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 938 1944 UUNET Technologies, Inc.
3301 434 950 TeliaNet Sweden
1257 270 516 SWIPnet Swedish IP Network
680 239 2308 DFN-IP service G-WiN
3215 234 539 France Telecom / &Equant
5515 195 688 Sonera Finland Autonomous Sys
3320 193 1957 Deutsche Telekom AG
786 184 1890 The JANET IP Service
8708 162 16 Romania Data Systems S.A.
5400 139 66 Concert European Core Network
719 132 289 LANLINK autonomous system
3303 131 560 Swisscom Ltd
2856 130 777 BTnet UK Regional network
5549 123 82 Nextra Deutschland GmbH + Co.
1270 118 705 UUNET Germany
5495 115 3 University Network
517 111 251 KPNQwest Germany GmbH
15878 110 9 Global Center Paris
12302 109 7 MobiFon S.A.
1273 108 177 Cable & Wireless ECRC GmbH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2278 9183 UUNET Technologies, Inc.
7018 1118 7382 AT&T
1 847 8555 BBN Planet
7046 835 1036 UUNET Technologies, Inc.
3967 809 464 Exodus Communication
1239 711 3380 Sprint
3908 668 1515 Supernet, Inc.
209 584 2198 Qwest
690 508 73 Merit Network
852 500 689 Telus Advanced Communications
2914 477 2269 Verio, Inc.
4293 447 112 Cable & Wireless USA
4323 440 394 Time Warner Communications, I
2149 423 314 Performance Systems, Inc.
705 398 137 UUNET Technologies, Inc.
3561 374 2297 Cable & Wireless USA
4151 363 1254 USDA
577 352 636 Bell Advanced Communications
3741 352 766 The Internet Solution
15290 342 340 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2278 9183 UUNET Technologies, Inc.
1221 1552 1304 Telstra Pty Ltd
7018 1118 7382 AT&T
702 938 1944 UUNET Technologies, Inc.
1 847 8555 BBN Planet
7046 835 1036 UUNET Technologies, Inc.
3967 809 464 Exodus Communication
1239 711 3380 Sprint
3908 668 1515 Supernet, Inc.
209 584 2198 Qwest
690 508 73 Merit Network
852 500 689 Telus Advanced Communications
2914 477 2269 Verio, Inc.
4293 447 112 Cable & Wireless USA
4323 440 394 Time Warner Communications, I
3301 434 950 TeliaNet Sweden
2149 423 314 Performance Systems, Inc.
2764 402 357 connect.com.au pty ltd
705 398 137 UUNET Technologies, Inc.
703 383 351 UUNET Technologies, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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
6971 UNALLOCATED 66.182.0.0/18 2516 Kokusai Denshin Denw
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
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
6971 UNALLOCATED 199.164.144.0/24 2914 Verio, Inc.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
4845 UNALLOCATED 202.165.143.0/24 3462 Data Communication B
65000 PRIVATE 203.21.200.0/24 1221 Telstra Pty Ltd
6971 UNALLOCATED 204.69.206.0/24 2914 Verio, Inc.
6971 UNALLOCATED 205.163.58.0/24 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.
6971 UNALLOCATED 207.12.40.0/22 2914 Verio, Inc.
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
6971 UNALLOCATED 208.1.124.0/23 2914 Verio, Inc.
6971 UNALLOCATED 208.1.200.0/21 2914 Verio, Inc.
4844 UNALLOCATED 210.23.0.0/20 703 UUNET Technologies,
6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.173.192.0/19 2914 Verio, Inc.
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 216.174.208.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.232.0/21 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 216.210.160.0/21 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 216.210.216.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.220.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.224.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.232.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.236.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.240.0/20 2914 Verio, Inc.
6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw
4837 UNALLOCATED 218.30.0.0/22 4134 Data Communications
4815 UNALLOCATED 218.30.4.0/22 4134 Data Communications
4816 UNALLOCATED 218.30.8.0/22 4134 Data Communications
4835 UNALLOCATED 218.30.12.0/22 4134 Data Communications
4837 UNALLOCATED 218.30.16.0/24 4134 Data Communications
4815 UNALLOCATED 218.30.17.0/24 4134 Data Communications
4816 UNALLOCATED 218.30.18.0/24 4134 Data Communications
4835 UNALLOCATED 218.30.19.0/24 4134 Data Communications
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
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 /10:7 /11:12 /12:36
/13:90 /14:222 /15:392 /16:7079 /17:1334 /18:2405
/19:7026 /20:5934 /21:4725 /22:7036 /23:8873 /24:60646
/25:306 /26:292 /27:287 /28:304 /29:162 /30:198
/31:1 /32:145
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1466 2278 UUNET Technologies, Inc.
1221 1409 1552 Telstra Pty Ltd
7046 661 835 UUNET Technologies, Inc.
702 636 938 UUNET Technologies, Inc.
3967 633 809 Exodus Communication
7018 581 1118 AT&T
690 505 508 Merit Network
3908 445 668 Supernet, Inc.
4293 432 447 Cable & Wireless USA
209 412 584 Qwest
1 408 847 BBN Planet
1239 405 711 Sprint
4323 378 440 Time Warner Communications, I
2764 359 402 connect.com.au pty ltd
705 328 398 UUNET Technologies, Inc.
852 328 500 Telus Advanced Communications
4151 319 363 USDA
703 313 383 UUNET Technologies, Inc.
2149 299 423 Performance Systems, Inc.
11371 276 283 Rhythms NetConnections
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 9:1 12:422 13:10 15:1 17:5
20:1 24:822 25:1 26:1 32:75 38:13
43:2 44:2 47:2 52:1 53:2 57:12
61:110 62:151 63:1892 64:1127 65:883 66:487
67:2 80:90 128:58 129:113 130:23 131:42
132:13 133:2 134:133 135:8 136:106 137:109
138:193 139:51 140:173 141:58 142:66 143:40
144:146 145:13 146:230 147:133 148:222 149:85
150:42 151:190 152:384 153:51 154:8 155:84
156:94 157:109 158:72 159:70 160:46 161:52
162:74 163:131 164:125 165:121 166:207 167:159
168:120 169:44 170:298 171:2 192:5379 193:2021
194:2049 195:855 196:457 198:3777 199:3500 200:2406
201:1 202:2833 203:4539 204:3352 205:2143 206:2714
207:2551 208:2989 209:2984 210:541 211:151 212:910
213:529 214:9 215:17 216:2888 217:425 218:6
End of report
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