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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 17 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106875
Origin ASes present in the Internet Routing Table: 11653
Origin ASes announcing only one prefix: 4298
Transit ASes present in the Internet Routing Table: 1513
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 16
Illegal AS announcements present in the Routing Table: 76
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: 1236084922
Equivalent to 73 /8s, 173 /16s and 40 /24s
Percentage of available address space announced: 33.3
Percentage of allocated address space announced: 64.2
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72701
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16219
Prefixes being announced from the APNIC address blocks: 14626
APNIC Region origin ASes present in the Internet Routing Table: 1369
APNIC Region origin ASes announcing only one prefix: 463
APNIC Region transit ASes present in the Internet Routing Table: 231
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 80253677
Equivalent to 4 /8s, 200 /16s and 146 /24s
Percentage of available APNIC address space announced: 78.9
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: 73243
Prefixes being announced from the ARIN address blocks: 52659
ARIN Region origin ASes present in the Internet Routing Table: 7001
ARIN Region origin ASes announcing only one prefix: 2093
ARIN Region transit ASes present in the Internet Routing Table: 700
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 225520839
Equivalent to 13 /8s, 113 /16s and 44 /24s
Percentage of available ARIN address space announced: 84.0
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: 17407
Prefixes being announced from the RIPE address blocks: 13788
RIPE Region origin ASes present in the Internet Routing Table: 3302
RIPE Region origin ASes announcing only one prefix: 1742
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: 107422359
Equivalent to 6 /8s, 103 /16s and 34 /24s
Percentage of available RIPE address space announced: 71.1
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 1602 1314 Telstra Pty Ltd
703 424 376 UUNET Technologies, Inc.
2764 421 377 connect.com.au pty ltd
2907 374 1849 SINET Japan
4755 293 159 Videsh Sanchar Nigam Ltd. Aut
4134 242 1799 Data Communications Bureau
7474 241 274 Optus Communications Pty Ltd
7539 212 199 TANet2, sponsored by NSC, TAI
4740 185 23 OzEmail ISP
4766 178 1336 Korea Internet Exchange for "
7545 146 25 TPG Internet Pty Ltd
9443 144 39 Primus Telecommunications
4786 127 17 NetConnect Communications Pty
17557 125 8 Pakistan Telecom
9583 123 62 Satyam Infoway Ltd.,
4763 120 69 Telstra New Zealand
9768 120 370 Korea Telecom
17561 116 167 Internet service provision to
4812 115 297 China Telecom (Group)
4713 111 836 NTT Communications Corporatio
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 791 1914 UUNET Technologies, Inc.
3301 440 919 TeliaNet Sweden
1257 279 522 SWIPnet Swedish IP Network
680 236 2292 DFN-IP service G-WiN
3215 227 515 France Telecom / &Equant
5515 192 687 Sonera Finland Autonomous Sys
3320 185 1940 Deutsche Telekom AG
786 184 1890 The JANET IP Service
15870 180 11 Global Center Frankfurt
8708 154 16 Romania Data Systems S.A.
1270 152 738 UUNET Germany
15878 138 12 Global Center Paris
719 137 288 LANLINK autonomous system
5400 136 64 Concert European Core Network
3303 132 576 Swisscom Ltd
2856 126 774 BTnet UK Regional network
5549 125 66 Nextra Deutschland GmbH + Co.
517 116 270 KPNQwest Germany GmbH
1267 104 1990 Infostrada S.p.A.
12302 100 6 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2227 8305 UUNET Technologies, Inc.
7018 1038 7162 AT&T
3908 923 721 Supernet, Inc.
1 874 8639 BBN Planet
7046 794 972 UUNET Technologies, Inc.
1239 726 3261 Sprint
3967 602 473 Exodus Communication
209 535 2247 Qwest
2914 491 2228 Verio, Inc.
690 481 78 Merit Network
4293 465 113 Cable & Wireless USA
3561 409 2326 Cable & Wireless USA
3549 372 835 Global Crossing
2548 371 973 Business Internet, Inc.
2149 369 4391 Performance Systems, Inc.
4323 362 360 Time Warner Communications, I
577 361 635 Bell Advanced Communications
3741 352 760 The Internet Solution
705 335 54 UUNET Technologies, Inc.
6347 333 360 SAVVIS Communications Corpora
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2227 8305 UUNET Technologies, Inc.
1221 1602 1314 Telstra Pty Ltd
7018 1038 7162 AT&T
3908 923 721 Supernet, Inc.
1 874 8639 BBN Planet
7046 794 972 UUNET Technologies, Inc.
702 791 1914 UUNET Technologies, Inc.
1239 726 3261 Sprint
3967 602 473 Exodus Communication
209 535 2247 Qwest
2914 491 2228 Verio, Inc.
690 481 78 Merit Network
4293 465 113 Cable & Wireless USA
3301 440 919 TeliaNet Sweden
703 424 376 UUNET Technologies, Inc.
2764 421 377 connect.com.au pty ltd
3561 409 2326 Cable & Wireless USA
2907 374 1849 SINET Japan
3549 372 835 Global Crossing
2548 371 973 Business Internet, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
22130 UNALLOCATED 4.18.195.0/24 3561 Cable & Wireless USA
22242 UNALLOCATED 12.14.215.0/24 7222 Southwestern Bell In
65534 PRIVATE 62.23.176.0/24 6675 Colt Telecommunicati
65534 PRIVATE 62.23.177.0/24 6675 Colt Telecommunicati
6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.72.0/21 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
578 UNALLOCATED 64.230.242.16/28 577 Bell Advanced Commun
22091 UNALLOCATED 65.113.20.0/24 209 Qwest
22195 UNALLOCATED 65.116.137.0/24 209 Qwest
22299 UNALLOCATED 65.161.22.0/24 701 UUNET Technologies,
22299 UNALLOCATED 65.161.23.0/24 701 UUNET Technologies,
22326 UNALLOCATED 65.170.47.0/24 209 Qwest
22313 UNALLOCATED 66.96.52.0/22 7927 Global One Venezuela
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
1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p
65460 PRIVATE 192.231.11.0/24 7018 AT&T
22313 UNALLOCATED 196.27.8.0/22 7927 Global One Venezuela
22284 UNALLOCATED 198.183.146.0/23 701 UUNET Technologies,
22284 UNALLOCATED 198.246.64.0/19 701 UUNET Technologies,
22301 UNALLOCATED 199.171.142.0/24 6517 Yipes Communications
22284 UNALLOCATED 199.244.155.0/24 701 UUNET Technologies,
22284 UNALLOCATED 199.244.156.0/24 701 UUNET Technologies,
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
65534 PRIVATE 200.40.20.0/24 6057 Av. Fernandez Crespo
65534 PRIVATE 200.40.23.0/24 6057 Av. Fernandez Crespo
22313 UNALLOCATED 200.47.150.0/24 7927 Global One Venezuela
22303 UNALLOCATED 204.62.219.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.220.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.221.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.222.0/24 2914 Verio, Inc.
22284 UNALLOCATED 205.173.0.0/22 701 UUNET Technologies,
22284 UNALLOCATED 205.173.7.0/24 701 UUNET Technologies,
22130 UNALLOCATED 205.180.228.0/24 3561 Cable & Wireless USA
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,
22257 UNALLOCATED 207.176.8.0/21 3491 CAIS Internet
6971 UNALLOCATED 207.189.143.0/24 2516 Kokusai Denshin Denw
22179 UNALLOCATED 207.190.35.0/24 3549 Global Crossing
22326 UNALLOCATED 208.44.54.0/24 1239 Sprint
22091 UNALLOCATED 208.46.178.0/24 209 Qwest
22130 UNALLOCATED 208.131.122.0/24 3561 Cable & Wireless USA
22195 UNALLOCATED 208.252.244.0/24 209 Qwest
22259 UNALLOCATED 208.254.175.0/24 701 UUNET Technologies,
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
21040 UNALLOCATED 213.196.128.0/18 702 UUNET Technologies,
22313 UNALLOCATED 216.72.155.0/24 7927 Global One Venezuela
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 216.174.202.0/23 2914 Verio, Inc.
6971 UNALLOCATED 216.174.204.0/22 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 216.174.240.0/22 2914 Verio, Inc.
22326 UNALLOCATED 216.207.88.0/24 1239 Sprint
22326 UNALLOCATED 216.207.89.0/24 1239 Sprint
6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
82.105.0.0/16 3269 TELECOM ITALIA
82.105.128.0/17 3269 TELECOM ITALIA
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 /10:6 /11:12 /12:33
/13:85 /14:228 /15:382 /16:6966 /17:1232 /18:2341
/19:6932 /20:5789 /21:4758 /22:7020 /23:8906 /24:60528
/25:328 /26:349 /27:262 /28:265 /29:156 /30:189
/31:1 /32:84
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1460 1602 Telstra Pty Ltd
701 1400 2227 UUNET Technologies, Inc.
3908 772 923 Supernet, Inc.
7046 623 794 UUNET Technologies, Inc.
7018 539 1038 AT&T
702 524 791 UUNET Technologies, Inc.
690 478 481 Merit Network
4293 448 465 Cable & Wireless USA
3967 422 602 Exodus Communication
1 415 874 BBN Planet
1239 406 726 Sprint
2764 374 421 connect.com.au pty ltd
209 370 535 Qwest
703 353 424 UUNET Technologies, Inc.
6995 307 320 Bell Atlantic Internet Soluti
4323 304 362 Time Warner Communications, I
11371 300 313 Rhythms NetConnections
705 291 335 UUNET Technologies, Inc.
4151 286 328 USDA
5106 285 301 Ameritech Advanced Data Servi
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:405 13:10 15:1 17:6
20:1 24:794 25:1 26:1 32:72 38:10
43:3 44:2 53:2 55:1 57:15 61:71
62:136 63:1916 64:1356 65:700 66:475 67:2
80:47 128:50 129:116 130:19 131:42 132:11
133:1 134:139 135:10 136:21 137:93 138:202
139:46 140:217 141:199 142:56 143:39 144:141
145:12 146:144 147:130 148:231 149:88 150:37
151:209 152:380 153:33 154:18 155:83 156:89
157:118 158:72 159:66 160:47 161:59 162:65
163:144 164:94 165:103 166:187 167:143 168:118
169:38 170:285 171:2 192:5391 193:1951 194:2006
195:836 196:450 198:3662 199:3252 200:2505 201:1
202:2743 203:4615 204:3313 205:2260 206:2841 207:2572
208:3076 209:3159 210:526 211:128 212:840 213:500
214:8 215:13 216:3053 217:394 218:2
End of report
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