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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 10 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106556
Origin ASes present in the Internet Routing Table: 11619
Origin ASes announcing only one prefix: 4255
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: 66
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: 1266299248
Equivalent to 75 /8s, 122 /16s and 49 /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: 72496
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16245
Prefixes being announced from the APNIC address blocks: 14621
APNIC Region origin ASes present in the Internet Routing Table: 1365
APNIC Region origin ASes announcing only one prefix: 454
APNIC Region transit ASes present in the Internet Routing Table: 226
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 78238265
Equivalent to 4 /8s, 169 /16s and 210 /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: 72967
Prefixes being announced from the ARIN address blocks: 52473
ARIN Region origin ASes present in the Internet Routing Table: 7005
ARIN Region origin ASes announcing only one prefix: 2080
ARIN Region transit ASes present in the Internet Routing Table: 708
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 208406231
Equivalent to 12 /8s, 108 /16s and 6 /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: 17336
Prefixes being announced from the RIPE address blocks: 13731
RIPE Region origin ASes present in the Internet Routing Table: 3268
RIPE Region origin ASes announcing only one prefix: 1721
RIPE Region transit ASes present in the Internet Routing Table: 581
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 123700027
Equivalent to 7 /8s, 95 /16s and 131 /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 1608 1314 Telstra Pty Ltd
2764 431 378 connect.com.au pty ltd
703 428 383 UUNET Technologies, Inc.
2907 367 1816 SINET Japan
4755 293 159 Videsh Sanchar Nigam Ltd. Aut
4766 260 1335 Korea Internet Exchange for "
4134 243 1801 Data Communications Bureau
7474 236 273 Optus Communications Pty Ltd
7539 195 172 TANet2, sponsored by NSC, TAI
4740 187 22 OzEmail ISP
7545 145 25 TPG Internet Pty Ltd
9443 143 39 Primus Telecommunications
4786 127 17 NetConnect Communications Pty
9583 124 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
4812 113 285 China Telecom (Group)
7633 111 26 Software Technology Parks of
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 747 1802 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
1270 180 773 UUNET Germany
15870 180 11 Global Center Frankfurt
8708 153 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 2252 8185 UUNET Technologies, Inc.
7018 1032 7178 AT&T
3908 920 645 Supernet, Inc.
1 873 8619 BBN Planet
7046 799 1006 UUNET Technologies, Inc.
1239 725 3262 Sprint
3967 602 472 Exodus Communication
209 536 2218 Qwest
690 510 81 Merit Network
2914 495 2244 Verio, Inc.
4293 475 114 Cable & Wireless USA
3561 414 2328 Cable & Wireless USA
2548 384 974 Business Internet, Inc.
3549 367 835 Global Crossing
2149 366 278 Performance Systems, Inc.
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 331 1234 USDA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2252 8185 UUNET Technologies, Inc.
1221 1608 1314 Telstra Pty Ltd
7018 1032 7178 AT&T
3908 920 645 Supernet, Inc.
1 873 8619 BBN Planet
7046 799 1006 UUNET Technologies, Inc.
702 747 1802 UUNET Technologies, Inc.
1239 725 3262 Sprint
3967 602 472 Exodus Communication
209 536 2218 Qwest
690 510 81 Merit Network
2914 495 2244 Verio, Inc.
4293 475 114 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.
2907 367 1816 SINET Japan
3549 367 835 Global Crossing
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,
22313 UNALLOCATED 66.96.52.0/22 7927 Global One Venezuela
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,
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
22313 UNALLOCATED 200.47.150.0/24 7927 Global One Venezuela
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
22179 UNALLOCATED 207.190.35.0/24 3549 Global Crossing
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
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.
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 /14:225 /15:381 /16:6952 /17:1233 /18:2344
/19:6920 /20:5739 /21:4706 /22:6966 /23:8830 /24:60378
/25:336 /26:367 /27:301 /28:282 /29:164 /30:192
/31:1 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1459 1608 Telstra Pty Ltd
701 1419 2252 UUNET Technologies, Inc.
3908 767 920 Supernet, Inc.
7046 625 799 UUNET Technologies, Inc.
7018 536 1032 AT&T
690 507 510 Merit Network
702 486 747 UUNET Technologies, Inc.
4293 458 475 Cable & Wireless USA
3967 423 602 Exodus Communication
1 415 873 BBN Planet
1239 404 725 Sprint
2764 384 431 connect.com.au pty ltd
209 376 536 Qwest
703 356 428 UUNET Technologies, Inc.
6995 308 322 Bell Atlantic Internet Soluti
4323 296 353 Time Warner Communications, I
11371 294 306 Rhythms NetConnections
4151 289 331 USDA
2548 278 384 Business Internet, Inc.
5106 275 292 Ameritech Advanced Data Servi
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:1 12:408 13:10 15:1 17:6 20:1
24:779 26:1 32:72 38:8 43:3 44:2
53:2 55:1 57:15 61:69 62:134 63:1920
64:1345 65:666 66:459 80:44 128:47 129:118
130:16 131:42 132:12 133:1 134:136 135:10
136:22 137:93 138:204 139:45 140:195 141:195
142:62 143:39 144:139 145:11 146:145 147:131
148:231 149:90 150:36 151:209 152:385 153:32
154:21 155:79 156:86 157:114 158:73 159:66
160:44 161:59 162:67 163:137 164:143 165:98
166:188 167:142 168:120 169:37 170:288 171:2
192:5392 193:1949 194:2040 195:832 196:415 198:3674
199:3279 200:2514 201:1 202:2710 203:4616 204:3287
205:2231 206:2845 207:2562 208:3074 209:3139 210:534
211:129 212:826 213:479 214:8 215:14 216:3079
217:390 218:2
End of report
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