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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 21 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 110155
Origin ASes present in the Internet Routing Table: 11937
Origin ASes announcing only one prefix: 4405
Transit ASes present in the Internet Routing Table: 1553
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: 1264639101
Equivalent to 75 /8s, 96 /16s and 220 /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: 74696
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16611
Prefixes being announced from the APNIC address blocks: 15231
APNIC Region origin ASes present in the Internet Routing Table: 1383
APNIC Region origin ASes announcing only one prefix: 461
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: 14
Number of APNIC addresses announced to Internet: 82969924
Equivalent to 4 /8s, 242 /16s and 5 /24s
Percentage of available APNIC address space announced: 70.0
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: 75786
Prefixes being announced from the ARIN address blocks: 53827
ARIN Region origin ASes present in the Internet Routing Table: 7181
ARIN Region origin ASes announcing only one prefix: 2146
ARIN Region transit ASes present in the Internet Routing Table: 717
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 219116937
Equivalent to 13 /8s, 15 /16s and 117 /24s
Percentage of available ARIN address space announced: 81.6
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: 17755
Prefixes being announced from the RIPE address blocks: 14187
RIPE Region origin ASes present in the Internet Routing Table: 3380
RIPE Region origin ASes announcing only one prefix: 1798
RIPE Region transit ASes present in the Internet Routing Table: 606
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 109289228
Equivalent to 6 /8s, 131 /16s and 159 /24s
Percentage of available RIPE address space announced: 72.4
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 411 359 connect.com.au pty ltd
2907 373 1880 SINET Japan
703 371 333 UUNET Technologies, Inc.
4755 303 165 Videsh Sanchar Nigam Ltd. Aut
7474 289 274 Optus Communications Pty Ltd
4134 250 1880 Data Communications Bureau
4766 187 1466 Korea Internet Exchange for "
4740 183 27 OzEmail ISP
7539 174 230 TANet2, sponsored by NSC, TAI
9443 160 54 Primus Telecommunications
2521 139 171 PSINet Japan
17557 132 8 Pakistan Telecom
4812 131 298 China Telecom (Group)
9768 131 363 Korea Telecom
4786 122 14 NetConnect Communications Pty
9583 122 61 Satyam Infoway Ltd.,
4763 121 69 Telstra New Zealand
4713 118 901 NTT Communications Corporatio
17561 114 167 Internet service provision to
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 912 1931 UUNET Technologies, Inc.
3301 435 950 TeliaNet Sweden
1257 274 516 SWIPnet Swedish IP Network
680 241 2309 DFN-IP service G-WiN
3215 236 539 France Telecom / &Equant
5515 195 688 Sonera Finland Autonomous Sys
3320 190 1940 Deutsche Telekom AG
786 185 1890 The JANET IP Service
8708 163 17 Romania Data Systems S.A.
15870 141 10 Global Center Frankfurt
5400 139 64 Concert European Core Network
719 133 289 LANLINK autonomous system
3303 130 560 Swisscom Ltd
1270 129 732 UUNET Germany
2856 129 776 BTnet UK Regional network
5549 128 82 Nextra Deutschland GmbH + Co.
15878 118 9 Global Center Paris
517 113 252 KPNQwest Germany GmbH
12302 109 7 MobiFon S.A.
3269 106 808 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2289 9116 UUNET Technologies, Inc.
3908 1163 1691 Supernet, Inc.
7018 1072 7308 AT&T
1 859 8587 BBN Planet
7046 815 1021 UUNET Technologies, Inc.
1239 730 3289 Sprint
209 583 2238 Qwest
3967 556 464 Exodus Communication
690 520 78 Merit Network
2914 474 2265 Verio, Inc.
4293 451 113 Cable & Wireless USA
2149 428 330 Performance Systems, Inc.
3561 424 2351 Cable & Wireless USA
3549 383 843 Global Crossing
721 371 4389 DLA Systems Automation Center
705 361 63 UUNET Technologies, Inc.
577 350 636 Bell Advanced Communications
4323 349 358 Time Warner Communications, I
5106 348 241 Ameritech Advanced Data Servi
4151 347 1203 USDA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2289 9116 UUNET Technologies, Inc.
1221 1578 1291 Telstra Pty Ltd
3908 1163 1691 Supernet, Inc.
7018 1072 7308 AT&T
702 912 1931 UUNET Technologies, Inc.
1 859 8587 BBN Planet
7046 815 1021 UUNET Technologies, Inc.
1239 730 3289 Sprint
209 583 2238 Qwest
3967 556 464 Exodus Communication
690 520 78 Merit Network
2914 474 2265 Verio, Inc.
4293 451 113 Cable & Wireless USA
3301 435 950 TeliaNet Sweden
2149 428 330 Performance Systems, Inc.
3561 424 2351 Cable & Wireless USA
2764 411 359 connect.com.au pty ltd
3549 383 843 Global Crossing
2907 373 1880 SINET Japan
703 371 333 UUNET Technologies, Inc.
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
22571 UNALLOCATED 64.214.53.0/24 3549 Global Crossing
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
22528 UNALLOCATED 192.25.225.0/24 701 UUNET Technologies,
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
22501 UNALLOCATED 200.16.194.0/24 4926 Telintar S.A.
22501 UNALLOCATED 200.16.249.0/24 4926 Telintar S.A.
22501 UNALLOCATED 200.41.203.0/24 4926 Telintar S.A.
22501 UNALLOCATED 200.41.248.0/24 4926 Telintar S.A.
22501 UNALLOCATED 200.63.186.0/24 4926 Telintar S.A.
22501 UNALLOCATED 200.69.134.0/24 14535 Techtel S.A.
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,
22528 UNALLOCATED 208.251.6.0/24 701 UUNET Technologies,
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 216.174.208.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.174.232.0/21 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
/13:89 /14:227 /15:391 /16:7110 /17:1316 /18:2416
/19:7047 /20:5977 /21:4821 /22:7162 /23:9160 /24:62729
/25:358 /26:339 /27:280 /28:270 /29:159 /30:171
/31:1 /32:55
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1465 2289 UUNET Technologies, Inc.
1221 1434 1578 Telstra Pty Ltd
3908 882 1163 Supernet, Inc.
7046 639 815 UUNET Technologies, Inc.
702 623 912 UUNET Technologies, Inc.
7018 565 1072 AT&T
690 517 520 Merit Network
4293 436 451 Cable & Wireless USA
209 417 583 Qwest
1 412 859 BBN Planet
1239 403 730 Sprint
3967 381 556 Exodus Communication
2764 366 411 connect.com.au pty ltd
5106 328 348 Ameritech Advanced Data Servi
705 309 361 UUNET Technologies, Inc.
703 308 371 UUNET Technologies, Inc.
11686 307 340 Education Networks of America
4151 306 347 USDA
2149 304 428 Performance Systems, Inc.
11371 298 309 Rhythms NetConnections
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:419 13:10 15:1 17:5
20:1 24:807 25:1 26:1 32:74 38:14
43:3 44:2 52:1 53:2 57:15 61:106
62:162 63:1952 64:1279 65:835 66:501 67:2
80:76 128:52 129:108 130:22 131:47 132:40
133:2 134:128 135:13 136:102 137:92 138:195
139:52 140:182 141:58 142:62 143:39 144:143
145:12 146:228 147:129 148:189 149:91 150:41
151:203 152:414 153:51 154:19 155:84 156:93
157:113 158:75 159:70 160:46 161:61 162:70
163:147 164:118 165:101 166:208 167:157 168:122
169:40 170:288 171:2 172:1 192:5604 193:1989
194:2097 195:837 196:460 198:4156 199:3960 200:2441
201:1 202:2957 203:4551 204:3371 205:2206 206:2897
207:2629 208:3160 209:3096 210:579 211:132 212:875
213:519 214:9 215:16 216:3005 217:395 218:2
End of report
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