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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 09 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106519
Origin ASes present in the Internet Routing Table: 11623
Origin ASes announcing only one prefix: 4260
Transit ASes present in the Internet Routing Table: 1511
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: 61
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: 1266530616
Equivalent to 75 /8s, 125 /16s and 185 /24s
Percentage of available address space announced: 34.2
Percentage of allocated address space announced: 65.8
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72456
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16197
Prefixes being announced from the APNIC address blocks: 14589
APNIC Region origin ASes present in the Internet Routing Table: 1366
APNIC Region origin ASes announcing only one prefix: 457
APNIC Region transit ASes present in the Internet Routing Table: 229
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 78246017
Equivalent to 4 /8s, 169 /16s and 240 /24s
Percentage of available APNIC address space announced: 76.9
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: 72980
Prefixes being announced from the ARIN address blocks: 52509
ARIN Region origin ASes present in the Internet Routing Table: 7005
ARIN Region origin ASes announcing only one prefix: 2082
ARIN Region transit ASes present in the Internet Routing Table: 705
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 208392151
Equivalent to 12 /8s, 107 /16s and 207 /24s
Percentage of available ARIN address space announced: 77.6
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: 17334
Prefixes being announced from the RIPE address blocks: 13722
RIPE Region origin ASes present in the Internet Routing Table: 3269
RIPE Region origin ASes announcing only one prefix: 1721
RIPE Region transit ASes present in the Internet Routing Table: 579
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 123721019
Equivalent to 7 /8s, 95 /16s and 213 /24s
Percentage of available RIPE address space announced: 81.9
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 1315 Telstra Pty Ltd
2764 431 378 connect.com.au pty ltd
703 428 383 UUNET Technologies, Inc.
2907 367 1816 SINET Japan
4755 292 159 Videsh Sanchar Nigam Ltd. Aut
4766 260 1335 Korea Internet Exchange for "
4134 237 1801 Data Communications Bureau
7474 236 273 Optus Communications Pty Ltd
7539 189 157 TANet2, sponsored by NSC, TAI
4740 186 22 OzEmail ISP
7545 145 25 TPG Internet Pty Ltd
9443 143 39 Primus Telecommunications
4786 127 17 NetConnect Communications Pty
9583 122 62 Satyam Infoway Ltd.,
4763 120 69 Telstra New Zealand
9768 118 362 Korea Telecom
17561 116 167 Internet service provision to
4713 115 868 NTT Communications Corporatio
7633 111 26 Software Technology Parks of
17557 111 7 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 754 1821 UUNET Technologies, Inc.
3301 435 919 TeliaNet Sweden
1257 278 522 SWIPnet Swedish IP Network
680 235 2292 DFN-IP service G-WiN
3215 223 512 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 185 1940 Deutsche Telekom AG
786 184 1890 The JANET IP Service
719 180 291 LANLINK autonomous system
15870 180 11 Global Center Frankfurt
1270 179 773 UUNET Germany
8708 154 16 Romania Data Systems S.A.
15878 142 12 Global Center Paris
5400 135 64 Concert European Core Network
3303 132 576 Swisscom Ltd
2856 125 774 BTnet UK Regional network
5549 125 66 Nextra Deutschland GmbH + Co.
517 115 269 KPNQwest Germany GmbH
1267 104 1990 Infostrada S.p.A.
3269 100 785 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2253 8171 UUNET Technologies, Inc.
7018 1033 7178 AT&T
3908 916 644 Supernet, Inc.
1 872 8603 BBN Planet
7046 799 1006 UUNET Technologies, Inc.
1239 726 3263 Sprint
3967 602 472 Exodus Communication
209 538 2218 Qwest
690 510 81 Merit Network
2914 495 2244 Verio, Inc.
4293 474 98 Cable & Wireless USA
3561 414 2328 Cable & Wireless USA
2548 384 974 Business Internet, Inc.
2149 367 279 Performance Systems, Inc.
3549 366 834 Global Crossing
577 364 634 Bell Advanced Communications
4323 353 344 Time Warner Communications, I
15290 346 338 AT&T Canada IES
6347 333 360 SAVVIS Communications Corpora
4151 329 1217 USDA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2253 8171 UUNET Technologies, Inc.
1221 1611 1315 Telstra Pty Ltd
7018 1033 7178 AT&T
3908 916 644 Supernet, Inc.
1 872 8603 BBN Planet
7046 799 1006 UUNET Technologies, Inc.
702 754 1821 UUNET Technologies, Inc.
1239 726 3263 Sprint
3967 602 472 Exodus Communication
209 538 2218 Qwest
690 510 81 Merit Network
2914 495 2244 Verio, Inc.
4293 474 98 Cable & Wireless USA
3301 435 919 TeliaNet Sweden
2764 431 378 connect.com.au pty ltd
703 428 383 UUNET Technologies, Inc.
3561 414 2328 Cable & Wireless USA
2548 384 974 Business Internet, Inc.
2149 367 279 Performance Systems, Inc.
2907 367 1816 SINET Japan
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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,
22116 UNALLOCATED 65.209.83.0/24 701 UUNET Technologies,
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
22284 UNALLOCATED 198.183.146.0/23 701 UUNET Technologies,
22301 UNALLOCATED 199.171.142.0/24 6517 Yipes Communications
22284 UNALLOCATED 199.244.155.0/24 701 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
64550 PRIVATE 203.161.39.0/24 17802 Internet AccessFor Q
22303 UNALLOCATED 204.62.220.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.221.0/24 2914 Verio, Inc.
22284 UNALLOCATED 205.173.0.0/22 701 UUNET Technologies,
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
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
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.
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
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
160.89.0.0/16 1800 SPRINT
164.233.0.0/16 6020 DISA NETWORK SERVICES
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 /8:19 /9:7 /10:6 /11:12 /12:32
/13:85 /14:226 /15:381 /16:6952 /17:1232 /18:2341
/19:6926 /20:5746 /21:4698 /22:6956 /23:8829 /24:60393
/25:319 /26:352 /27:296 /28:277 /29:163 /30:192
/31:1 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1462 1611 Telstra Pty Ltd
701 1422 2253 UUNET Technologies, Inc.
3908 763 916 Supernet, Inc.
7046 625 799 UUNET Technologies, Inc.
7018 537 1033 AT&T
690 507 510 Merit Network
702 492 754 UUNET Technologies, Inc.
4293 458 474 Cable & Wireless USA
3967 423 602 Exodus Communication
1 415 872 BBN Planet
1239 405 726 Sprint
2764 384 431 connect.com.au pty ltd
209 378 538 Qwest
703 356 428 UUNET Technologies, Inc.
6995 308 322 Bell Atlantic Internet Soluti
4323 296 353 Time Warner Communications, I
11371 292 304 Rhythms NetConnections
4151 288 329 USDA
2548 278 384 Business Internet, Inc.
705 276 318 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:1 12:407 13:10 15:1 17:6 20:1
24:780 26:1 32:72 38:8 43:3 44:2
53:2 55:1 57:15 61:69 62:134 63:1912
64:1344 65:670 66:458 80:42 128:47 129:118
130:16 131:42 132:12 133:1 134:136 135:10
136:22 137:93 138:204 139:45 140:190 141:195
142:62 143:39 144:139 145:11 146:145 147:131
148:226 149:90 150:36 151:209 152:386 153:32
154:21 155:79 156:86 157:117 158:73 159:66
160:44 161:59 162:67 163:138 164:143 165:98
166:188 167:140 168:120 169:37 170:288 171:2
192:5391 193:1934 194:2036 195:834 196:415 198:3669
199:3276 200:2529 201:1 202:2707 203:4620 204:3308
205:2229 206:2853 207:2563 208:3083 209:3143 210:529
211:129 212:826 213:480 214:8 215:14 216:3078
217:394 218:2
End of report
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