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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 Nov, 2001
Analysis Summary
----------------
BGP routing table entries examined: 107567
Origin ASes present in the Internet Routing Table: 11917
Origin ASes announcing only one prefix: 4445
Transit ASes present in the Internet Routing Table: 1574
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 17
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: 13
Number of addresses announced to Internet: 1250867145
Equivalent to 74 /8s, 142 /16s and 183 /24s
Percentage of available address space announced: 33.7
Percentage of allocated address space announced: 64.4
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 72871
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16653
Prefixes being announced from the APNIC address blocks: 15158
APNIC Region origin ASes present in the Internet Routing Table: 1384
APNIC Region origin ASes announcing only one prefix: 452
APNIC Region transit ASes present in the Internet Routing Table: 241
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 87984565
Equivalent to 5 /8s, 62 /16s and 137 /24s
Percentage of available APNIC address space announced: 74.3
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: 73052
Prefixes being announced from the ARIN address blocks: 52073
ARIN Region origin ASes present in the Internet Routing Table: 7123
ARIN Region origin ASes announcing only one prefix: 2165
ARIN Region transit ASes present in the Internet Routing Table: 730
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 219133701
Equivalent to 13 /8s, 15 /16s and 183 /24s
Percentage of available ARIN address space announced: 81.6
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: 17861
Prefixes being announced from the RIPE address blocks: 14294
RIPE Region origin ASes present in the Internet Routing Table: 3420
RIPE Region origin ASes announcing only one prefix: 1828
RIPE Region transit ASes present in the Internet Routing Table: 602
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 109366980
Equivalent to 6 /8s, 132 /16s and 206 /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 1555 1304 Telstra Pty Ltd
2764 400 357 connect.com.au pty ltd
703 381 354 UUNET Technologies, Inc.
2907 376 1897 SINET Japan
4755 298 162 Videsh Sanchar Nigam Ltd. Aut
7474 295 275 Optus Communications Pty Ltd
4134 254 1902 Data Communications Bureau
4766 183 1415 Korea Internet Exchange for "
4740 168 26 OzEmail ISP
9443 164 53 Primus Telecommunications
17676 164 1957 XTAGE CORPORATION
7539 155 176 TANet2, sponsored by NSC, TAI
1659 154 1156 Taiwan Academic Network (TANe
4812 137 305 China Telecom (Group)
2521 133 171 PSINet Japan
9768 128 362 Korea Telecom
9583 127 61 Satyam Infoway Ltd.,
4786 123 14 NetConnect Communications Pty
4763 121 69 Telstra New Zealand
7657 117 23 The Internet Group Limited
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 940 1944 UUNET Technologies, Inc.
3301 431 950 TeliaNet Sweden
1257 271 516 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 161 16 Romania Data Systems S.A.
5400 139 66 Concert European Core Network
15870 137 10 Global Center Frankfurt
719 133 289 LANLINK autonomous system
3303 131 560 Swisscom Ltd
2856 130 776 BTnet UK Regional network
5549 123 82 Nextra Deutschland GmbH + Co.
1270 118 705 UUNET Germany
517 111 251 KPNQwest Germany GmbH
12302 110 7 MobiFon S.A.
15878 110 9 Global Center Paris
1273 107 176 Cable & Wireless ECRC GmbH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2281 9072 UUNET Technologies, Inc.
3908 1184 1679 Supernet, Inc.
7018 1081 7074 AT&T
1 847 8555 BBN Planet
7046 836 1021 UUNET Technologies, Inc.
1239 709 3380 Sprint
3967 667 453 Exodus Communication
209 583 2197 Qwest
690 503 73 Merit Network
2914 477 2269 Verio, Inc.
4293 448 112 Cable & Wireless USA
4323 440 394 Time Warner Communications, I
2149 424 330 Performance Systems, Inc.
3561 375 2297 Cable & Wireless USA
4151 363 1254 USDA
705 357 68 UUNET Technologies, Inc.
577 351 636 Bell Advanced Communications
3741 351 766 The Internet Solution
15290 340 340 AT&T Canada IES
7132 332 466 Southwestern Bell Internet Se
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2281 9072 UUNET Technologies, Inc.
1221 1555 1304 Telstra Pty Ltd
3908 1184 1679 Supernet, Inc.
7018 1081 7074 AT&T
702 940 1944 UUNET Technologies, Inc.
1 847 8555 BBN Planet
7046 836 1021 UUNET Technologies, Inc.
1239 709 3380 Sprint
3967 667 453 Exodus Communication
209 583 2197 Qwest
690 503 73 Merit Network
2914 477 2269 Verio, Inc.
4293 448 112 Cable & Wireless USA
4323 440 394 Time Warner Communications, I
3301 431 950 TeliaNet Sweden
2149 424 330 Performance Systems, Inc.
2764 400 357 connect.com.au pty ltd
703 381 354 UUNET Technologies, Inc.
2907 376 1897 SINET Japan
3561 375 2297 Cable & Wireless USA
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
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 /12:34
/13:89 /14:218 /15:382 /16:7034 /17:1321 /18:2402
/19:7040 /20:5951 /21:4759 /22:7104 /23:8967 /24:60644
/25:304 /26:292 /27:282 /28:277 /29:158 /30:191
/31:1 /32:75
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1471 2281 UUNET Technologies, Inc.
1221 1412 1555 Telstra Pty Ltd
3908 900 1184 Supernet, Inc.
7046 663 836 UUNET Technologies, Inc.
702 638 940 UUNET Technologies, Inc.
7018 568 1081 AT&T
690 500 503 Merit Network
3967 495 667 Exodus Communication
4293 433 448 Cable & Wireless USA
209 413 583 Qwest
1 408 847 BBN Planet
1239 402 709 Sprint
4323 378 440 Time Warner Communications, I
2764 357 400 connect.com.au pty ltd
4151 319 363 USDA
703 313 381 UUNET Technologies, Inc.
705 303 357 UUNET Technologies, Inc.
2149 299 424 Performance Systems, Inc.
11371 276 283 Rhythms NetConnections
7066 268 298 Virginia Polytechnic Institut
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 9:1 12:420 13:10 15:1 17:5
20:1 24:820 25:1 26:1 32:75 38:12
43:2 44:2 47:2 52:1 53:2 57:12
61:109 62:150 63:1957 64:1121 65:882 66:486
67:2 80:82 128:58 129:113 130:23 131:42
132:13 133:2 134:133 135:8 136:105 137:109
138:194 139:51 140:171 141:59 142:66 143:39
144:146 145:11 146:231 147:129 148:221 149:85
150:42 151:190 152:384 153:51 154:8 155:84
156:93 157:109 158:72 159:70 160:46 161:52
162:74 163:130 164:125 165:121 166:206 167:159
168:119 169:45 170:301 171:2 192:5369 193:2036
194:2047 195:844 196:455 198:3792 199:3485 200:2398
201:1 202:2743 203:4513 204:3355 205:2137 206:2722
207:2582 208:2986 209:3037 210:535 211:149 212:899
213:527 214:8 215:17 216:2919 217:428 218:6
End of report
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