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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 22 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 108297
Origin ASes present in the Internet Routing Table: 11702
Origin ASes announcing only one prefix: 4308
Transit ASes present in the Internet Routing Table: 1507
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: 80
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: 1221419904
Equivalent to 72 /8s, 205 /16s and 99 /24s
Percentage of available address space announced: 33.0
Percentage of allocated address space announced: 63.5
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 73992
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16366
Prefixes being announced from the APNIC address blocks: 14777
APNIC Region origin ASes present in the Internet Routing Table: 1372
APNIC Region origin ASes announcing only one prefix: 458
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: 80814238
Equivalent to 4 /8s, 209 /16s and 32 /24s
Percentage of available APNIC address space announced: 79.5
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: 74390
Prefixes being announced from the ARIN address blocks: 53607
ARIN Region origin ASes present in the Internet Routing Table: 7036
ARIN Region origin ASes announcing only one prefix: 2106
ARIN Region transit ASes present in the Internet Routing Table: 697
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 209788241
Equivalent to 12 /8s, 129 /16s and 29 /24s
Percentage of available ARIN address space announced: 78.2
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: 17536
Prefixes being announced from the RIPE address blocks: 13886
RIPE Region origin ASes present in the Internet Routing Table: 3315
RIPE Region origin ASes announcing only one prefix: 1744
RIPE Region transit ASes present in the Internet Routing Table: 576
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 107540639
Equivalent to 6 /8s, 104 /16s and 240 /24s
Percentage of available RIPE address space announced: 71.2
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 1603 1314 Telstra Pty Ltd
2764 418 360 connect.com.au pty ltd
703 417 375 UUNET Technologies, Inc.
2907 369 1832 SINET Japan
4755 290 161 Videsh Sanchar Nigam Ltd. Aut
7474 242 274 Optus Communications Pty Ltd
4134 236 1796 Data Communications Bureau
7539 211 190 TANet2, sponsored by NSC, TAI
4740 185 23 OzEmail ISP
4766 179 1336 Korea Internet Exchange for "
9443 153 50 Primus Telecommunications
17557 132 9 Pakistan Telecom
4786 127 17 NetConnect Communications Pty
7545 126 23 TPG Internet Pty Ltd
4763 121 69 Telstra New Zealand
9768 120 362 Korea Telecom
9583 118 60 Satyam Infoway Ltd.,
4713 116 884 NTT Communications Corporatio
17561 116 167 Internet service provision to
7586 111 17 Paradox Digital Pty Ltd
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 879 1963 UUNET Technologies, Inc.
3301 442 935 TeliaNet Sweden
1257 278 514 SWIPnet Swedish IP Network
680 237 2308 DFN-IP service G-WiN
3215 225 515 France Telecom / &Equant
5515 193 687 Sonera Finland Autonomous Sys
3320 186 1940 Deutsche Telekom AG
786 185 1890 The JANET IP Service
15870 179 11 Global Center Frankfurt
8708 158 16 Romania Data Systems S.A.
1270 150 734 UUNET Germany
5400 140 65 Concert European Core Network
719 137 288 LANLINK autonomous system
3303 131 560 Swisscom Ltd
15878 131 9 Global Center Paris
2856 126 774 BTnet UK Regional network
5549 126 67 Nextra Deutschland GmbH + Co.
517 114 253 KPNQwest Germany GmbH
1267 103 1988 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 2244 8292 UUNET Technologies, Inc.
7018 1054 7165 AT&T
3908 923 722 Supernet, Inc.
1 872 8638 BBN Planet
7046 802 1005 UUNET Technologies, Inc.
1239 729 3342 Sprint
5006 713 726 Minnesota Internet eXchange
3967 600 472 Exodus Communication
209 536 2248 Qwest
690 502 80 Merit Network
2914 501 2256 Verio, Inc.
4293 466 113 Cable & Wireless USA
3561 408 2326 Cable & Wireless USA
3549 371 820 Global Crossing
2149 370 263 Performance Systems, Inc.
2548 369 985 Business Internet, Inc.
4323 362 361 Time Warner Communications, I
577 361 635 Bell Advanced Communications
3741 352 768 The Internet Solution
5106 351 200 Ameritech Advanced Data Servi
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2244 8292 UUNET Technologies, Inc.
1221 1603 1314 Telstra Pty Ltd
7018 1054 7165 AT&T
3908 923 722 Supernet, Inc.
702 879 1963 UUNET Technologies, Inc.
1 872 8638 BBN Planet
7046 802 1005 UUNET Technologies, Inc.
1239 729 3342 Sprint
5006 713 726 Minnesota Internet eXchange
3967 600 472 Exodus Communication
209 536 2248 Qwest
690 502 80 Merit Network
2914 501 2256 Verio, Inc.
4293 466 113 Cable & Wireless USA
3301 442 935 TeliaNet Sweden
2764 418 360 connect.com.au pty ltd
703 417 375 UUNET Technologies, Inc.
3561 408 2326 Cable & Wireless USA
3549 371 820 Global Crossing
2149 370 263 Performance Systems, 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
21048 UNALLOCATED 62.16.96.0/19 3216 SOVAM Teleport, Mosc
65534 PRIVATE 62.23.176.0/24 6675 Colt Telecommunicati
65534 PRIVATE 62.23.177.0/24 6675 Colt Telecommunicati
22299 UNALLOCATED 63.81.99.0/24 701 UUNET Technologies,
22299 UNALLOCATED 63.124.154.0/24 701 UUNET Technologies,
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 65.116.137.0/24 701 UUNET Technologies,
22299 UNALLOCATED 65.161.22.0/24 701 UUNET Technologies,
22299 UNALLOCATED 65.161.22.0/23 701 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
21127 UNALLOCATED 80.89.128.0/20 20485 JSC Transtelecom
65000 PRIVATE 138.163.4.0/24 665 Department of Navy
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
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 205.173.0.0/21 701 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 2828 Concentric Network C
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
22299 UNALLOCATED 208.249.71.0/24 701 UUNET Technologies,
22195 UNALLOCATED 208.252.244.0/24 701 UUNET Technologies,
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
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 /10:6 /11:12 /12:33
/13:85 /14:228 /15:385 /16:6972 /17:1230 /18:2373
/19:6955 /20:5838 /21:4799 /22:7069 /23:9018 /24:61648
/25:326 /26:352 /27:259 /28:256 /29:157 /30:183
/31:1 /32:90
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1453 1603 Telstra Pty Ltd
701 1414 2244 UUNET Technologies, Inc.
3908 772 923 Supernet, Inc.
7046 629 802 UUNET Technologies, Inc.
5006 609 713 Minnesota Internet eXchange
702 593 879 UUNET Technologies, Inc.
7018 555 1054 AT&T
690 499 502 Merit Network
4293 449 466 Cable & Wireless USA
3967 420 600 Exodus Communication
1 415 872 BBN Planet
1239 405 729 Sprint
2764 372 418 connect.com.au pty ltd
209 369 536 Qwest
703 346 417 UUNET Technologies, Inc.
5106 325 351 Ameritech Advanced Data Servi
6995 308 321 Bell Atlantic Internet Soluti
4323 303 362 Time Warner Communications, I
11371 300 312 Rhythms NetConnections
705 298 342 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:413 13:10 15:1 17:5
20:1 24:811 25:1 26:1 32:72 38:10
43:3 44:2 53:2 55:1 57:15 61:87
62:141 63:1944 64:1357 65:725 66:463 67:2
80:52 128:50 129:108 130:19 131:51 132:11
133:2 134:139 135:10 136:91 137:103 138:262
139:45 140:198 141:199 142:56 143:39 144:145
145:12 146:149 147:128 148:132 149:89 150:37
151:323 152:364 153:45 154:16 155:84 156:91
157:120 158:74 159:67 160:48 161:91 162:65
163:149 164:95 165:96 166:190 167:142 168:117
169:40 170:292 171:2 192:5427 193:1950 194:2022
195:837 196:448 198:3670 199:3348 200:2519 201:1
202:2819 203:4578 204:3481 205:2210 206:3090 207:2611
208:3122 209:3255 210:552 211:135 212:860 213:514
214:8 215:13 216:3068 217:396 218:2
End of report
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