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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 14 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109635
Origin ASes present in the Internet Routing Table: 11886
Origin ASes announcing only one prefix: 4383
Transit ASes present in the Internet Routing Table: 1528
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: 70
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 17
Number of addresses announced to Internet: 1277284833
Equivalent to 76 /8s, 33 /16s and 209 /24s
Percentage of available address space announced: 34.5
Percentage of allocated address space announced: 66.4
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74325
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16404
Prefixes being announced from the APNIC address blocks: 14912
APNIC Region origin ASes present in the Internet Routing Table: 1380
APNIC Region origin ASes announcing only one prefix: 464
APNIC Region transit ASes present in the Internet Routing Table: 233
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 81762196
Equivalent to 4 /8s, 223 /16s and 151 /24s
Percentage of available APNIC address space announced: 80.4
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: 75492
Prefixes being announced from the ARIN address blocks: 53823
ARIN Region origin ASes present in the Internet Routing Table: 7158
ARIN Region origin ASes announcing only one prefix: 2141
ARIN Region transit ASes present in the Internet Routing Table: 708
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 218545909
Equivalent to 13 /8s, 6 /16s and 190 /24s
Percentage of available ARIN address space announced: 81.4
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: 17737
Prefixes being announced from the RIPE address blocks: 14107
RIPE Region origin ASes present in the Internet Routing Table: 3357
RIPE Region origin ASes announcing only one prefix: 1778
RIPE Region transit ASes present in the Internet Routing Table: 588
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 108758756
Equivalent to 6 /8s, 123 /16s and 134 /24s
Percentage of available RIPE address space announced: 72.0
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 1586 1311 Telstra Pty Ltd
2764 417 359 connect.com.au pty ltd
703 380 335 UUNET Technologies, Inc.
2907 369 1847 SINET Japan
4755 294 164 Videsh Sanchar Nigam Ltd. Aut
7474 243 274 Optus Communications Pty Ltd
4134 239 1862 Data Communications Bureau
4766 186 1466 Korea Internet Exchange for "
4740 175 22 OzEmail ISP
9443 161 54 Primus Telecommunications
2521 137 171 PSINet Japan
9768 131 363 Korea Telecom
17557 127 8 Pakistan Telecom
4763 122 69 Telstra New Zealand
4786 122 14 NetConnect Communications Pty
7545 122 23 TPG Internet Pty Ltd
9583 119 60 Satyam Infoway Ltd.,
7539 118 174 TANet2, sponsored by NSC, TAI
4713 117 885 NTT Communications Corporatio
17561 114 167 Internet service provision to
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 909 1952 UUNET Technologies, Inc.
3301 438 937 TeliaNet Sweden
1257 273 512 SWIPnet Swedish IP Network
680 241 2309 DFN-IP service G-WiN
3215 236 515 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 189 1940 Deutsche Telekom AG
786 186 1890 The JANET IP Service
1103 161 4089 SURFnet BV
8708 158 16 Romania Data Systems S.A.
15870 141 10 Global Center Frankfurt
5400 139 64 Concert European Core Network
719 133 289 LANLINK autonomous system
3303 129 560 Swisscom Ltd
2856 128 776 BTnet UK Regional network
5549 127 67 Nextra Deutschland GmbH + Co.
1270 126 732 UUNET Germany
15878 122 9 Global Center Paris
517 112 252 KPNQwest Germany GmbH
3269 106 807 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2308 9183 UUNET Technologies, Inc.
3908 1152 1577 Supernet, Inc.
7018 1064 7294 AT&T
1 862 8573 BBN Planet
7046 803 1020 UUNET Technologies, Inc.
1239 745 3391 Sprint
3967 618 471 Exodus Communication
209 574 2253 Qwest
690 505 95 Merit Network
2914 482 2253 Verio, Inc.
4293 461 112 Cable & Wireless USA
705 412 54 UUNET Technologies, Inc.
3561 404 2326 Cable & Wireless USA
721 388 4406 DLA Systems Automation Center
3549 380 843 Global Crossing
2149 379 327 Performance Systems, Inc.
577 351 636 Bell Advanced Communications
2548 349 996 Business Internet, Inc.
5106 348 213 Ameritech Advanced Data Servi
4151 345 1235 USDA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2308 9183 UUNET Technologies, Inc.
1221 1586 1311 Telstra Pty Ltd
3908 1152 1577 Supernet, Inc.
7018 1064 7294 AT&T
702 909 1952 UUNET Technologies, Inc.
1 862 8573 BBN Planet
7046 803 1020 UUNET Technologies, Inc.
1239 745 3391 Sprint
3967 618 471 Exodus Communication
209 574 2253 Qwest
690 505 95 Merit Network
2914 482 2253 Verio, Inc.
4293 461 112 Cable & Wireless USA
3301 438 937 TeliaNet Sweden
2764 417 359 connect.com.au pty ltd
705 412 54 UUNET Technologies, Inc.
3561 404 2326 Cable & Wireless USA
721 388 4406 DLA Systems Automation Center
703 380 335 UUNET Technologies, Inc.
3549 380 843 Global Crossing
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
22153 UNALLOCATED 168.215.234.0/23 1239 Sprint
22153 UNALLOCATED 168.215.235.0/24 1239 Sprint
22153 UNALLOCATED 168.215.236.0/23 1239 Sprint
22153 UNALLOCATED 168.215.237.0/24 1239 Sprint
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
22290 UNALLOCATED 198.140.161.0/24 2914 Verio, Inc.
22051 UNALLOCATED 198.172.125.0/24 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.
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
22290 UNALLOCATED 207.150.139.0/24 2914 Verio, Inc.
22237 UNALLOCATED 208.253.66.0/24 701 UUNET Technologies,
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
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 216.210.144.0/20 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 216.210.216.0/22 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
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
1.0.0.0/8 7623 High Performance Computing NE
39.0.0.0/8 4554 Exchange Point Blocks
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
201.11.128.0/24 2764 connect.com.au pty ltd
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 /8:19 /9:5 /10:8 /11:12 /12:33
/13:87 /14:227 /15:393 /16:7092 /17:1306 /18:2403
/19:7017 /20:5939 /21:4799 /22:7119 /23:9093 /24:62558
/25:318 /26:318 /27:256 /28:250 /29:149 /30:186
/31:1 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1473 2308 UUNET Technologies, Inc.
1221 1440 1586 Telstra Pty Ltd
3908 878 1152 Supernet, Inc.
7046 625 803 UUNET Technologies, Inc.
702 621 909 UUNET Technologies, Inc.
7018 557 1064 AT&T
690 501 505 Merit Network
4293 447 461 Cable & Wireless USA
3967 438 618 Exodus Communication
1 413 862 BBN Planet
209 409 574 Qwest
1239 407 745 Sprint
2764 371 417 connect.com.au pty ltd
705 361 412 UUNET Technologies, Inc.
5106 327 348 Ameritech Advanced Data Servi
703 315 380 UUNET Technologies, Inc.
4151 303 345 USDA
11686 302 335 Education Networks of America
11371 299 310 Rhythms NetConnections
4323 284 343 Time Warner Communications, I
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:417 13:10 15:1 17:5
20:1 24:782 25:1 26:1 32:74 38:14
43:2 44:3 52:1 53:2 57:15 61:108
62:159 63:1953 64:1286 65:841 66:480 67:32
80:67 128:51 129:102 130:20 131:47 132:40
133:2 134:123 135:13 136:91 137:93 138:155
139:49 140:151 141:192 142:58 143:39 144:149
145:37 146:224 147:129 148:189 149:88 150:40
151:178 152:389 153:51 154:19 155:82 156:95
157:113 158:71 159:70 160:47 161:60 162:70
163:146 164:122 165:99 166:204 167:157 168:121
169:40 170:286 171:2 192:5615 193:1975 194:2074
195:842 196:466 198:4094 199:3908 200:2394 201:2
202:2827 203:4565 204:3365 205:2316 206:2883 207:2616
208:3180 209:3116 210:579 211:136 212:866 213:529
214:9 215:16 216:3028 217:389 218:2
End of report
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