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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 18 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109939
Origin ASes present in the Internet Routing Table: 11911
Origin ASes announcing only one prefix: 4408
Transit ASes present in the Internet Routing Table: 1534
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: 55
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: 1264015470
Equivalent to 75 /8s, 87 /16s and 88 /24s
Percentage of available address space announced: 34.1
Percentage of allocated address space announced: 65.1
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 74507
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16443
Prefixes being announced from the APNIC address blocks: 14891
APNIC Region origin ASes present in the Internet Routing Table: 1377
APNIC Region origin ASes announcing only one prefix: 463
APNIC Region transit ASes present in the Internet Routing Table: 230
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 82625577
Equivalent to 4 /8s, 236 /16s and 196 /24s
Percentage of available APNIC address space announced: 69.7
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 75750
Prefixes being announced from the ARIN address blocks: 53907
ARIN Region origin ASes present in the Internet Routing Table: 7174
ARIN Region origin ASes announcing only one prefix: 2159
ARIN Region transit ASes present in the Internet Routing Table: 713
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 218513665
Equivalent to 13 /8s, 6 /16s and 65 /24s
Percentage of available ARIN address space announced: 81.4
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: 17745
Prefixes being announced from the RIPE address blocks: 14142
RIPE Region origin ASes present in the Internet Routing Table: 3364
RIPE Region origin ASes announcing only one prefix: 1786
RIPE Region transit ASes present in the Internet Routing Table: 591
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 109088652
Equivalent to 6 /8s, 128 /16s and 143 /24s
Percentage of available RIPE address space announced: 72.2
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 1578 1291 Telstra Pty Ltd
2764 415 359 connect.com.au pty ltd
703 376 336 UUNET Technologies, Inc.
2907 372 1864 SINET Japan
4755 290 164 Videsh Sanchar Nigam Ltd. Aut
4134 242 1862 Data Communications Bureau
7474 242 274 Optus Communications Pty Ltd
4766 186 1466 Korea Internet Exchange for "
4740 184 27 OzEmail ISP
7539 174 230 TANet2, sponsored by NSC, TAI
9443 160 54 Primus Telecommunications
2521 139 171 PSINet Japan
17557 134 9 Pakistan Telecom
9768 131 363 Korea Telecom
4763 122 69 Telstra New Zealand
4786 119 14 NetConnect Communications Pty
4713 118 901 NTT Communications Corporatio
9583 117 60 Satyam Infoway Ltd.,
17561 114 167 Internet service provision to
7657 106 22 The Internet Group Limited
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 918 1951 UUNET Technologies, Inc.
3301 435 950 TeliaNet Sweden
1257 273 512 SWIPnet Swedish IP Network
680 241 2309 DFN-IP service G-WiN
3215 235 515 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 190 1940 Deutsche Telekom AG
786 186 1890 The JANET IP Service
8708 162 17 Romania Data Systems S.A.
15870 141 10 Global Center Frankfurt
5400 139 64 Concert European Core Network
1103 137 4089 SURFnet BV
719 133 289 LANLINK autonomous system
3303 130 560 Swisscom Ltd
5549 129 83 Nextra Deutschland GmbH + Co.
2856 128 776 BTnet UK Regional network
1270 126 732 UUNET Germany
15878 118 9 Global Center Paris
517 112 252 KPNQwest Germany GmbH
12302 109 7 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2295 9100 UUNET Technologies, Inc.
3908 1156 1658 Supernet, Inc.
7018 1075 7311 AT&T
1 861 8589 BBN Planet
7046 811 1021 UUNET Technologies, Inc.
1239 747 3391 Sprint
3967 588 473 Exodus Communication
209 581 2254 Qwest
690 497 93 Merit Network
2914 477 2251 Verio, Inc.
4293 446 111 Cable & Wireless USA
3561 436 2384 Cable & Wireless USA
2149 431 331 Performance Systems, Inc.
705 427 64 UUNET Technologies, Inc.
721 380 4390 DLA Systems Automation Center
3549 380 843 Global Crossing
5106 358 213 Ameritech Advanced Data Servi
577 351 636 Bell Advanced Communications
4323 349 358 Time Warner Communications, I
3741 344 765 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2295 9100 UUNET Technologies, Inc.
1221 1578 1291 Telstra Pty Ltd
3908 1156 1658 Supernet, Inc.
7018 1075 7311 AT&T
702 918 1951 UUNET Technologies, Inc.
1 861 8589 BBN Planet
7046 811 1021 UUNET Technologies, Inc.
1239 747 3391 Sprint
3967 588 473 Exodus Communication
209 581 2254 Qwest
690 497 93 Merit Network
2914 477 2251 Verio, Inc.
4293 446 111 Cable & Wireless USA
3561 436 2384 Cable & Wireless USA
3301 435 950 TeliaNet Sweden
2149 431 331 Performance Systems, Inc.
705 427 64 UUNET Technologies, Inc.
2764 415 359 connect.com.au pty ltd
721 380 4390 DLA Systems Automation Center
3549 380 843 Global Crossing
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 64.42.16.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.42.32.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.56.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.64.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.80.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.104.0/22 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
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
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
5555 UNALLOCATED 192.156.41.0/24 721 DLA Systems Automati
5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
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,
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 216.174.200.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.174.202.0/24 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 216.174.240.0/21 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 216.210.140.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.160.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.176.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.184.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.200.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.216.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.220.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.224.0/21 2914 Verio, Inc.
6971 UNALLOCATED 216.210.232.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.236.0/22 2914 Verio, Inc.
6971 UNALLOCATED 216.210.240.0/20 2914 Verio, Inc.
6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
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 /10:8 /11:12 /12:34
/13:88 /14:228 /15:393 /16:7110 /17:1309 /18:2407
/19:7037 /20:5953 /21:4811 /22:7126 /23:9133 /24:62777
/25:319 /26:317 /27:256 /28:247 /29:146 /30:160
/31:1 /32:44
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1472 2295 UUNET Technologies, Inc.
1221 1434 1578 Telstra Pty Ltd
3908 879 1156 Supernet, Inc.
7046 634 811 UUNET Technologies, Inc.
702 626 918 UUNET Technologies, Inc.
7018 565 1075 AT&T
690 493 497 Merit Network
4293 432 446 Cable & Wireless USA
209 414 581 Qwest
1 412 861 BBN Planet
3967 410 588 Exodus Communication
1239 408 747 Sprint
705 376 427 UUNET Technologies, Inc.
2764 370 415 connect.com.au pty ltd
5106 338 358 Ameritech Advanced Data Servi
703 310 376 UUNET Technologies, Inc.
11686 307 340 Education Networks of America
2149 306 431 Performance Systems, Inc.
4151 302 344 USDA
11371 299 310 Rhythms NetConnections
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:414 13:10 15:1 17:5
20:1 24:805 25:1 26:1 32:74 38:14
43:2 44:2 52:1 53:2 57:15 61:108
62:164 63:1950 64:1275 65:865 66:494 67:32
80:73 128:51 129:107 130:20 131:47 132:40
133:2 134:123 135:13 136:102 137:93 138:194
139:52 140:178 141:192 142:61 143:39 144:147
145:37 146:226 147:129 148:189 149:91 150:40
151:190 152:392 153:51 154:19 155:83 156:95
157:114 158:74 159:70 160:46 161:61 162:70
163:148 164:122 165:99 166:207 167:157 168:122
169:40 170:288 171:2 192:5625 193:1985 194:2077
195:841 196:468 198:4144 199:3953 200:2418 201:1
202:2792 203:4534 204:3380 205:2340 206:2881 207:2639
208:3149 209:3106 210:576 211:132 212:871 213:519
214:8 215:19 216:2984 217:394 218:2
End of report
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