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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 19 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106516
Origin ASes present in the Internet Routing Table: 11639
Origin ASes announcing only one prefix: 4292
Transit ASes present in the Internet Routing Table: 1501
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 19
Illegal AS announcements present in the Routing Table: 74
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: 1217909809
Equivalent to 72 /8s, 151 /16s and 212 /24s
Percentage of available address space announced: 32.9
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72471
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16265
Prefixes being announced from the APNIC address blocks: 14704
APNIC Region origin ASes present in the Internet Routing Table: 1365
APNIC Region origin ASes announcing only one prefix: 456
APNIC Region transit ASes present in the Internet Routing Table: 227
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 79989023
Equivalent to 4 /8s, 196 /16s and 137 /24s
Percentage of available APNIC address space announced: 78.6
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: 72892
Prefixes being announced from the ARIN address blocks: 52558
ARIN Region origin ASes present in the Internet Routing Table: 6997
ARIN Region origin ASes announcing only one prefix: 2096
ARIN Region transit ASes present in the Internet Routing Table: 693
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 208732829
Equivalent to 12 /8s, 113 /16s and 2 /24s
Percentage of available ARIN address space announced: 77.8
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: 17355
Prefixes being announced from the RIPE address blocks: 13734
RIPE Region origin ASes present in the Internet Routing Table: 3298
RIPE Region origin ASes announcing only one prefix: 1740
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: 15
Number of RIPE addresses announced to Internet: 107307775
Equivalent to 6 /8s, 101 /16s and 98 /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 1587 1313 Telstra Pty Ltd
703 424 376 UUNET Technologies, Inc.
2764 420 377 connect.com.au pty ltd
2907 367 1815 SINET Japan
4755 295 159 Videsh Sanchar Nigam Ltd. Aut
4134 242 1799 Data Communications Bureau
7474 241 274 Optus Communications Pty Ltd
4740 187 23 OzEmail ISP
4766 180 1336 Korea Internet Exchange for "
7539 177 126 TANet2, sponsored by NSC, TAI
9443 148 49 Primus Telecommunications
7545 146 25 TPG Internet Pty Ltd
17557 128 9 Pakistan Telecom
4786 127 17 NetConnect Communications Pty
4763 121 69 Telstra New Zealand
9768 120 370 Korea Telecom
9583 116 52 Satyam Infoway Ltd.,
17561 116 167 Internet service provision to
4713 115 868 NTT Communications Corporatio
4812 115 297 China Telecom (Group)
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 798 1903 UUNET Technologies, Inc.
3301 439 919 TeliaNet Sweden
1257 273 529 SWIPnet Swedish IP Network
680 237 2308 DFN-IP service G-WiN
3215 228 515 France Telecom / &Equant
5515 193 687 Sonera Finland Autonomous Sys
786 185 1890 The JANET IP Service
3320 185 1940 Deutsche Telekom AG
15870 180 11 Global Center Frankfurt
8708 155 16 Romania Data Systems S.A.
1270 147 734 UUNET Germany
15878 138 12 Global Center Paris
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
719 116 287 LANLINK autonomous system
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 2176 8321 UUNET Technologies, Inc.
7018 1043 7163 AT&T
3908 914 720 Supernet, Inc.
1 857 8622 BBN Planet
7046 789 941 UUNET Technologies, Inc.
1239 718 3245 Sprint
3967 602 473 Exodus Communication
209 532 2247 Qwest
2914 499 2256 Verio, Inc.
690 485 79 Merit Network
4293 466 113 Cable & Wireless USA
3561 408 2341 Cable & Wireless USA
2548 371 969 Business Internet, Inc.
3549 370 828 Global Crossing
2149 369 279 Performance Systems, Inc.
4323 362 360 Time Warner Communications, I
577 360 634 Bell Advanced Communications
3741 352 760 The Internet Solution
15290 335 341 AT&T Canada IES
705 334 54 UUNET Technologies, Inc.
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2176 8321 UUNET Technologies, Inc.
1221 1587 1313 Telstra Pty Ltd
7018 1043 7163 AT&T
3908 914 720 Supernet, Inc.
1 857 8622 BBN Planet
702 798 1903 UUNET Technologies, Inc.
7046 789 941 UUNET Technologies, Inc.
1239 718 3245 Sprint
3967 602 473 Exodus Communication
209 532 2247 Qwest
2914 499 2256 Verio, Inc.
690 485 79 Merit Network
4293 466 113 Cable & Wireless USA
3301 439 919 TeliaNet Sweden
703 424 376 UUNET Technologies, Inc.
2764 420 377 connect.com.au pty ltd
3561 408 2341 Cable & Wireless USA
2548 371 969 Business Internet, Inc.
3549 370 828 Global Crossing
2149 369 279 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
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
21127 UNALLOCATED 80.89.128.0/20 20485 JSC Transtelecom
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.
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
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 /15:383 /16:6953 /17:1227 /18:2326
/19:6914 /20:5794 /21:4739 /22:6999 /23:8866 /24:60292
/25:333 /26:356 /27:259 /28:259 /29:156 /30:186
/31:1 /32:87
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1438 1587 Telstra Pty Ltd
701 1343 2176 UUNET Technologies, Inc.
3908 763 914 Supernet, Inc.
7046 619 789 UUNET Technologies, Inc.
7018 543 1043 AT&T
702 530 798 UUNET Technologies, Inc.
690 482 485 Merit Network
4293 449 466 Cable & Wireless USA
3967 422 602 Exodus Communication
1 403 857 BBN Planet
1239 400 718 Sprint
2764 373 420 connect.com.au pty ltd
209 367 532 Qwest
703 353 424 UUNET Technologies, Inc.
6995 307 319 Bell Atlantic Internet Soluti
4323 304 362 Time Warner Communications, I
11371 300 313 Rhythms NetConnections
705 290 334 UUNET Technologies, Inc.
5106 290 306 Ameritech Advanced Data Servi
4151 289 331 USDA
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:408 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 61:73
62:139 63:1918 64:1355 65:701 66:472 67:2
80:47 128:50 129:118 130:17 131:42 132:14
133:1 134:139 135:10 136:20 137:98 138:201
139:46 140:189 141:199 142:56 143:39 144:141
145:13 146:136 147:131 148:131 149:87 150:37
151:209 152:365 153:33 154:16 155:82 156:90
157:120 158:73 159:62 160:47 161:91 162:65
163:144 164:95 165:103 166:187 167:140 168:119
169:38 170:293 171:2 192:5366 193:1925 194:2005
195:836 196:443 198:3611 199:3245 200:2479 201:1
202:2791 203:4576 204:3327 205:2213 206:2891 207:2560
208:3101 209:3146 210:550 211:131 212:826 213:507
214:8 215:13 216:3021 217:388 218:2
End of report
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