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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 15 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109756
Origin ASes present in the Internet Routing Table: 11893
Origin ASes announcing only one prefix: 4388
Transit ASes present in the Internet Routing Table: 1525
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 19
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: 16
Number of addresses announced to Internet: 1295959902
Equivalent to 77 /8s, 62 /16s and 199 /24s
Percentage of available address space announced: 35.0
Percentage of allocated address space announced: 67.3
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74415
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16462
Prefixes being announced from the APNIC address blocks: 14915
APNIC Region origin ASes present in the Internet Routing Table: 1383
APNIC Region origin ASes announcing only one prefix: 466
APNIC Region transit ASes present in the Internet Routing Table: 232
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 81751379
Equivalent to 4 /8s, 223 /16s and 109 /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: 75551
Prefixes being announced from the ARIN address blocks: 53872
ARIN Region origin ASes present in the Internet Routing Table: 7163
ARIN Region origin ASes announcing only one prefix: 2142
ARIN Region transit ASes present in the Internet Routing Table: 707
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 235361453
Equivalent to 14 /8s, 7 /16s and 84 /24s
Percentage of available ARIN address space announced: 87.7
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: 17742
Prefixes being announced from the RIPE address blocks: 14110
RIPE Region origin ASes present in the Internet Routing Table: 3356
RIPE Region origin ASes announcing only one prefix: 1780
RIPE Region transit ASes present in the Internet Routing Table: 586
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 108797412
Equivalent to 6 /8s, 124 /16s and 29 /24s
Percentage of available RIPE address space announced: 72.1
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 408 358 connect.com.au pty ltd
703 375 334 UUNET Technologies, Inc.
2907 367 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 176 22 OzEmail ISP
7539 172 182 TANet2, sponsored by NSC, TAI
9443 160 54 Primus Telecommunications
2521 138 171 PSINet Japan
9768 131 363 Korea Telecom
17557 128 8 Pakistan Telecom
9583 123 61 Satyam Infoway Ltd.,
4763 122 69 Telstra New Zealand
4786 122 14 NetConnect Communications Pty
7545 122 23 TPG Internet Pty Ltd
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
702 910 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 159 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 128 67 Nextra Deutschland GmbH + Co.
1270 127 732 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 2295 9166 UUNET Technologies, Inc.
3908 1147 1576 Supernet, Inc.
7018 1064 7294 AT&T
1 860 8589 BBN Planet
7046 808 1004 UUNET Technologies, Inc.
1239 748 3391 Sprint
3967 618 471 Exodus Communication
209 575 2253 Qwest
690 504 79 Merit Network
2914 481 2253 Verio, Inc.
4293 461 112 Cable & Wireless USA
3561 422 2327 Cable & Wireless USA
705 410 54 UUNET Technologies, Inc.
721 382 4405 DLA Systems Automation Center
3549 379 843 Global Crossing
2149 378 327 Performance Systems, Inc.
577 351 636 Bell Advanced Communications
5106 350 213 Ameritech Advanced Data Servi
4323 344 355 Time Warner Communications, I
3741 343 765 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2295 9166 UUNET Technologies, Inc.
1221 1586 1311 Telstra Pty Ltd
3908 1147 1576 Supernet, Inc.
7018 1064 7294 AT&T
702 910 1952 UUNET Technologies, Inc.
1 860 8589 BBN Planet
7046 808 1004 UUNET Technologies, Inc.
1239 748 3391 Sprint
3967 618 471 Exodus Communication
209 575 2253 Qwest
690 504 79 Merit Network
2914 481 2253 Verio, Inc.
4293 461 112 Cable & Wireless USA
3301 438 937 TeliaNet Sweden
3561 422 2327 Cable & Wireless USA
705 410 54 UUNET Technologies, Inc.
2764 408 358 connect.com.au pty ltd
721 382 4405 DLA Systems Automation Center
3549 379 843 Global Crossing
2149 378 327 Performance Systems, 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
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.
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
201.115.100.0/24 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 /8:20 /9:5 /10:8 /11:12 /12:34
/13:88 /14:227 /15:393 /16:7097 /17:1306 /18:2400
/19:7016 /20:5943 /21:4801 /22:7122 /23:9112 /24:62641
/25:318 /26:320 /27:256 /28:250 /29:148 /30:186
/31:1 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1465 2295 UUNET Technologies, Inc.
1221 1440 1586 Telstra Pty Ltd
3908 874 1147 Supernet, Inc.
7046 629 808 UUNET Technologies, Inc.
702 619 910 UUNET Technologies, Inc.
7018 557 1064 AT&T
690 501 504 Merit Network
4293 447 461 Cable & Wireless USA
3967 438 618 Exodus Communication
1 411 860 BBN Planet
209 408 575 Qwest
1239 408 748 Sprint
2764 364 408 connect.com.au pty ltd
705 359 410 UUNET Technologies, Inc.
5106 329 350 Ameritech Advanced Data Servi
703 310 375 UUNET Technologies, Inc.
11686 302 335 Education Networks of America
4151 301 343 USDA
11371 299 310 Rhythms NetConnections
4323 285 344 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 24:778 25:1 26:1 32:74 38:14
43:2 44:3 52:1 53:2 57:15 61:108
62:160 63:1954 64:1288 65:841 66:480 67:32
80:67 128:51 129:101 130:20 131:47 132:35
133:2 134:123 135:13 136:76 137:93 138:155
139:50 140:177 141:192 142:58 143:39 144:149
145:37 146:226 147:129 148:189 149:88 150:41
151:178 152:389 153:51 154:19 155:79 156:94
157:113 158:72 159:70 160:47 161:60 162:70
163:146 164:122 165:99 166:204 167:156 168:122
169:40 170:286 171:2 192:5626 193:1976 194:2073
195:843 196:466 198:4109 199:3905 200:2403 201:1
202:2831 203:4575 204:3371 205:2323 206:2890 207:2629
208:3181 209:3121 210:581 211:135 212:867 213:527
214:9 215:16 216:3020 217:389 218:2
End of report
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