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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 08 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109333
Origin ASes present in the Internet Routing Table: 11835
Origin ASes announcing only one prefix: 4341
Transit ASes present in the Internet Routing Table: 1527
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: 74
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: 1243080537
Equivalent to 74 /8s, 23 /16s and 231 /24s
Percentage of available address space announced: 33.5
Percentage of allocated address space announced: 64.6
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74113
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16391
Prefixes being announced from the APNIC address blocks: 14840
APNIC Region origin ASes present in the Internet Routing Table: 1379
APNIC Region origin ASes announcing only one prefix: 459
APNIC Region transit ASes present in the Internet Routing Table: 235
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 81219072
Equivalent to 4 /8s, 215 /16s and 78 /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: 75323
Prefixes being announced from the ARIN address blocks: 53660
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: 709
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 217347680
Equivalent to 12 /8s, 244 /16s and 118 /24s
Percentage of available ARIN address space announced: 81.0
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: 17614
Prefixes being announced from the RIPE address blocks: 14031
RIPE Region origin ASes present in the Internet Routing Table: 3346
RIPE Region origin ASes announcing only one prefix: 1772
RIPE Region transit ASes present in the Internet Routing Table: 585
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 108156056
Equivalent to 6 /8s, 114 /16s and 84 /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 1611 1313 Telstra Pty Ltd
2764 415 374 connect.com.au pty ltd
703 402 372 UUNET Technologies, Inc.
2907 368 1847 SINET Japan
4755 283 160 Videsh Sanchar Nigam Ltd. Aut
7474 244 274 Optus Communications Pty Ltd
4134 235 1805 Data Communications Bureau
4766 186 1466 Korea Internet Exchange for "
4740 185 23 OzEmail ISP
7539 181 186 TANet2, sponsored by NSC, TAI
9443 158 53 Primus Telecommunications
7545 125 23 TPG Internet Pty Ltd
4786 124 16 NetConnect Communications Pty
17557 124 8 Pakistan Telecom
2521 123 170 PSINet Japan
4763 122 69 Telstra New Zealand
9768 121 362 Korea Telecom
4713 117 885 NTT Communications Corporatio
9583 117 60 Satyam Infoway Ltd.,
17561 116 167 Internet service provision to
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 891 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 232 515 France Telecom / &Equant
5515 193 687 Sonera Finland Autonomous Sys
3320 187 1940 Deutsche Telekom AG
786 186 1890 The JANET IP Service
8708 159 16 Romania Data Systems S.A.
15870 144 10 Global Center Frankfurt
5400 140 64 Concert European Core Network
1270 138 717 UUNET Germany
719 137 288 LANLINK autonomous system
3303 129 560 Swisscom Ltd
5549 128 67 Nextra Deutschland GmbH + Co.
2856 127 776 BTnet UK Regional network
15878 122 9 Global Center Paris
517 112 252 KPNQwest Germany GmbH
1267 103 1988 Infostrada S.p.A.
12302 101 6 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2259 9146 UUNET Technologies, Inc.
3908 1140 1545 Supernet, Inc.
7018 1066 7264 AT&T
1 880 8607 BBN Planet
7046 811 1005 UUNET Technologies, Inc.
1239 739 3389 Sprint
3967 618 471 Exodus Communication
209 569 2251 Qwest
690 516 81 Merit Network
2914 493 2271 Verio, Inc.
4293 456 112 Cable & Wireless USA
3561 408 2355 Cable & Wireless USA
705 392 81 UUNET Technologies, Inc.
721 392 4407 DLA Systems Automation Center
3549 380 842 Global Crossing
2149 368 343 Performance Systems, Inc.
2548 364 1003 Business Internet, Inc.
4323 354 357 Time Warner Communications, I
577 351 636 Bell Advanced Communications
3741 345 765 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2259 9146 UUNET Technologies, Inc.
1221 1611 1313 Telstra Pty Ltd
3908 1140 1545 Supernet, Inc.
7018 1066 7264 AT&T
702 891 1994 UUNET Technologies, Inc.
1 880 8607 BBN Planet
7046 811 1005 UUNET Technologies, Inc.
1239 739 3389 Sprint
3967 618 471 Exodus Communication
209 569 2251 Qwest
690 516 81 Merit Network
2914 493 2271 Verio, Inc.
4293 456 112 Cable & Wireless USA
3301 438 937 TeliaNet Sweden
2764 415 374 connect.com.au pty ltd
3561 408 2355 Cable & Wireless USA
703 402 372 UUNET Technologies, Inc.
705 392 81 UUNET Technologies, Inc.
721 392 4407 DLA Systems Automation Center
3549 380 842 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
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 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.
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 216.210.216.0/22 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
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 /8:17 /9:5 /10:8 /11:12 /12:33
/13:86 /14:227 /15:389 /16:7112 /17:1296 /18:2390
/19:7005 /20:5896 /21:4802 /22:7059 /23:9086 /24:62412
/25:311 /26:324 /27:255 /28:249 /29:151 /30:160
/31:1 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1464 1611 Telstra Pty Ltd
701 1435 2259 UUNET Technologies, Inc.
3908 865 1140 Supernet, Inc.
7046 634 811 UUNET Technologies, Inc.
702 604 891 UUNET Technologies, Inc.
7018 561 1066 AT&T
690 513 516 Merit Network
4293 442 456 Cable & Wireless USA
3967 438 618 Exodus Communication
1 427 880 BBN Planet
209 406 569 Qwest
1239 403 739 Sprint
2764 369 415 connect.com.au pty ltd
705 342 392 UUNET Technologies, Inc.
703 331 402 UUNET Technologies, Inc.
5106 321 341 Ameritech Advanced Data Servi
4151 299 341 USDA
11371 299 310 Rhythms NetConnections
4323 296 354 Time Warner Communications, I
7066 268 297 Virginia Polytechnic Institut
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:418 13:10 15:1 17:5
20:1 24:807 25:1 26:1 32:73 38:14
43:2 44:2 53:2 57:15 61:100 62:146
63:1934 64:1298 65:820 66:470 67:32 80:65
128:52 129:111 130:19 131:44 132:37 133:2
134:124 135:13 136:92 137:92 138:153 139:49
140:177 141:194 142:56 143:39 144:146 145:30
146:222 147:129 148:190 149:86 150:38 151:178
152:395 153:48 154:18 155:83 156:94 157:112
158:74 159:69 160:47 161:61 162:70 163:144
164:101 165:96 166:199 167:154 168:130 169:39
170:283 171:2 192:5593 193:1970 194:2065 195:847
196:451 198:4108 199:3883 200:2394 201:1 202:2817
203:4585 204:3383 205:2223 206:2915 207:2617 208:3125
209:3145 210:575 211:138 212:858 213:528 214:9
215:14 216:3060 217:390 218:2
End of report
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