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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 11 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109511
Origin ASes present in the Internet Routing Table: 11847
Origin ASes announcing only one prefix: 4351
Transit ASes present in the Internet Routing Table: 1529
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: 72
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 15
Number of addresses announced to Internet: 1259770881
Equivalent to 75 /8s, 22 /16s and 148 /24s
Percentage of available address space announced: 34.0
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74225
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16496
Prefixes being announced from the APNIC address blocks: 14959
APNIC Region origin ASes present in the Internet Routing Table: 1378
APNIC Region origin ASes announcing only one prefix: 459
APNIC Region transit ASes present in the Internet Routing Table: 236
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 81483056
Equivalent to 4 /8s, 219 /16s and 85 /24s
Percentage of available APNIC address space announced: 80.1
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: 75331
Prefixes being announced from the ARIN address blocks: 53629
ARIN Region origin ASes present in the Internet Routing Table: 7125
ARIN Region origin ASes announcing only one prefix: 2117
ARIN Region transit ASes present in the Internet Routing Table: 712
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 217592200
Equivalent to 12 /8s, 248 /16s and 49 /24s
Percentage of available ARIN address space announced: 81.1
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: 17682
Prefixes being announced from the RIPE address blocks: 14081
RIPE Region origin ASes present in the Internet Routing Table: 3353
RIPE Region origin ASes announcing only one prefix: 1775
RIPE Region transit ASes present in the Internet Routing Table: 582
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 108361116
Equivalent to 6 /8s, 117 /16s and 117 /24s
Percentage of available RIPE address space announced: 71.8
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 1598 1312 Telstra Pty Ltd
2764 413 358 connect.com.au pty ltd
703 400 372 UUNET Technologies, Inc.
2907 370 1847 SINET Japan
4755 291 165 Videsh Sanchar Nigam Ltd. Aut
7474 243 274 Optus Communications Pty Ltd
4134 238 1846 Data Communications Bureau
4766 186 1466 Korea Internet Exchange for "
4740 181 23 OzEmail ISP
9443 159 54 Primus Telecommunications
7539 150 155 TANet2, sponsored by NSC, TAI
2521 142 171 PSINet Japan
9768 131 363 Korea Telecom
17557 130 8 Pakistan Telecom
4786 123 14 NetConnect Communications Pty
7545 123 23 TPG Internet Pty Ltd
4763 122 69 Telstra New Zealand
9583 118 60 Satyam Infoway Ltd.,
4713 117 885 NTT Communications Corporatio
17561 116 167 Internet service provision to
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 898 1949 UUNET Technologies, Inc.
3301 438 937 TeliaNet Sweden
1257 273 512 SWIPnet Swedish IP Network
680 244 2341 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
8708 163 17 Romania Data Systems S.A.
15870 142 10 Global Center Frankfurt
5400 137 64 Concert European Core Network
719 133 289 LANLINK autonomous system
1103 133 4088 SURFnet BV
1270 132 732 UUNET Germany
3303 129 560 Swisscom Ltd
2856 127 776 BTnet UK Regional network
5549 127 67 Nextra Deutschland GmbH + Co.
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 2311 9181 UUNET Technologies, Inc.
3908 1151 1563 Supernet, Inc.
7018 1062 7264 AT&T
1 874 8587 BBN Planet
7046 818 1021 UUNET Technologies, Inc.
1239 736 3387 Sprint
3967 618 471 Exodus Communication
209 572 2253 Qwest
690 506 80 Merit Network
2914 488 2256 Verio, Inc.
4293 459 112 Cable & Wireless USA
705 412 66 UUNET Technologies, Inc.
3561 401 2355 Cable & Wireless USA
721 391 4406 DLA Systems Automation Center
2149 383 328 Performance Systems, Inc.
3549 380 842 Global Crossing
2548 355 999 Business Internet, Inc.
577 351 636 Bell Advanced Communications
5106 347 212 Ameritech Advanced Data Servi
4323 345 355 Time Warner Communications, I
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2311 9181 UUNET Technologies, Inc.
1221 1598 1312 Telstra Pty Ltd
3908 1151 1563 Supernet, Inc.
7018 1062 7264 AT&T
702 898 1949 UUNET Technologies, Inc.
1 874 8587 BBN Planet
7046 818 1021 UUNET Technologies, Inc.
1239 736 3387 Sprint
3967 618 471 Exodus Communication
209 572 2253 Qwest
690 506 80 Merit Network
2914 488 2256 Verio, Inc.
4293 459 112 Cable & Wireless USA
3301 438 937 TeliaNet Sweden
2764 413 358 connect.com.au pty ltd
705 412 66 UUNET Technologies, Inc.
3561 401 2355 Cable & Wireless USA
703 400 372 UUNET Technologies, Inc.
721 391 4406 DLA Systems Automation Center
2149 383 328 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
2027 UNALLOCATED 150.185.128.0/18 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.
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.
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 216.174.202.0/24 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
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 /8:18 /9:5 /10:8 /11:12 /12:33
/13:86 /14:227 /15:391 /16:7100 /17:1303 /18:2392
/19:7006 /20:5918 /21:4795 /22:7123 /23:9100 /24:62476
/25:325 /26:330 /27:254 /28:254 /29:150 /30:161
/31:1 /32:43
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1477 2311 UUNET Technologies, Inc.
1221 1452 1598 Telstra Pty Ltd
3908 875 1151 Supernet, Inc.
7046 640 818 UUNET Technologies, Inc.
702 614 898 UUNET Technologies, Inc.
7018 557 1062 AT&T
690 503 506 Merit Network
4293 445 459 Cable & Wireless USA
3967 438 618 Exodus Communication
1 424 874 BBN Planet
209 407 572 Qwest
1239 401 736 Sprint
2764 368 413 connect.com.au pty ltd
705 362 412 UUNET Technologies, Inc.
703 328 400 UUNET Technologies, Inc.
5106 326 347 Ameritech Advanced Data Servi
4151 301 343 USDA
11371 299 310 Rhythms NetConnections
4323 286 345 Time Warner Communications, I
7066 268 297 Virginia Polytechnic Institut
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:417 13:10 15:1 17:5
20:1 24:784 25:1 26:1 32:74 38:14
43:2 44:2 52:1 53:2 57:15 61:114
62:162 63:1937 64:1297 65:830 66:479 67:32
80:67 128:52 129:112 130:20 131:43 132:40
133:2 134:124 135:13 136:92 137:93 138:152
139:49 140:169 141:194 142:56 143:39 144:146
145:37 146:222 147:130 148:189 149:88 150:38
151:178 152:388 153:50 154:19 155:83 156:95
157:112 158:73 159:69 160:47 161:61 162:70
163:147 164:122 165:99 166:201 167:157 168:130
169:39 170:286 171:2 192:5623 193:1970 194:2074
195:834 196:457 198:4106 199:3903 200:2385 201:1
202:2862 203:4577 204:3381 205:2191 206:2886 207:2608
208:3159 209:3137 210:580 211:137 212:868 213:528
214:9 215:13 216:3010 217:392 218:2
End of report
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