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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 28 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109734
Origin ASes present in the Internet Routing Table: 11949
Origin ASes announcing only one prefix: 4413
Transit ASes present in the Internet Routing Table: 1587
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: 70
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: 1274098300
Equivalent to 75 /8s, 241 /16s and 50 /24s
Percentage of available address space announced: 34.4
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 74789
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 17033
Prefixes being announced from the APNIC address blocks: 15521
APNIC Region origin ASes present in the Internet Routing Table: 1384
APNIC Region origin ASes announcing only one prefix: 451
APNIC Region transit ASes present in the Internet Routing Table: 240
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 83505861
Equivalent to 4 /8s, 250 /16s and 50 /24s
Percentage of available APNIC address space announced: 70.5
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7 and 218/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 74726
Prefixes being announced from the ARIN address blocks: 53466
ARIN Region origin ASes present in the Internet Routing Table: 7180
ARIN Region origin ASes announcing only one prefix: 2152
ARIN Region transit ASes present in the Internet Routing Table: 744
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 219698893
Equivalent to 13 /8s, 24 /16s and 86 /24s
Percentage of available ARIN address space announced: 81.8
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 - 23551
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: 17974
Prefixes being announced from the RIPE address blocks: 14395
RIPE Region origin ASes present in the Internet Routing Table: 3401
RIPE Region origin ASes announcing only one prefix: 1810
RIPE Region transit ASes present in the Internet Routing Table: 603
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 126207199
Equivalent to 7 /8s, 133 /16s and 196 /24s
Percentage of available RIPE address space announced: 83.6
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 1563 1305 Telstra Pty Ltd
2764 408 359 connect.com.au pty ltd
703 377 362 UUNET Technologies, Inc.
2907 374 1865 SINET Japan
4755 297 163 Videsh Sanchar Nigam Ltd. Aut
7474 293 274 Optus Communications Pty Ltd
17676 264 827 XTAGE CORPORATION
4134 254 1902 Data Communications Bureau
4766 188 1467 Korea Internet Exchange for "
1659 175 1573 Taiwan Academic Network (TANe
4740 173 26 OzEmail ISP
9443 162 52 Primus Telecommunications
7539 160 157 TANet2, sponsored by NSC, TAI
17557 141 9 Pakistan Telecom
2521 138 171 PSINet Japan
4812 132 298 China Telecom (Group)
9768 131 363 Korea Telecom
9583 125 53 Satyam Infoway Ltd.,
4786 123 14 NetConnect Communications Pty
4763 121 69 Telstra New Zealand
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 938 1927 UUNET Technologies, Inc.
3301 435 950 TeliaNet Sweden
1257 273 516 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 193 1941 Deutsche Telekom AG
786 184 1890 The JANET IP Service
8708 164 17 Romania Data Systems S.A.
5495 146 3 University Network
15870 141 10 Global Center Frankfurt
5400 139 64 Concert European Core Network
719 133 289 LANLINK autonomous system
3303 130 560 Swisscom Ltd
2856 129 776 BTnet UK Regional network
1270 127 724 UUNET Germany
5549 124 82 Nextra Deutschland GmbH + Co.
15878 115 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 2277 9097 UUNET Technologies, Inc.
3908 1175 1676 Supernet, Inc.
7018 1093 7310 AT&T
7046 866 1024 UUNET Technologies, Inc.
1 854 8543 BBN Planet
1239 737 3243 Sprint
209 579 2238 Qwest
3967 541 460 Exodus Communication
690 507 75 Merit Network
2914 473 2265 Verio, Inc.
4293 446 112 Cable & Wireless USA
2149 427 330 Performance Systems, Inc.
4323 408 374 Time Warner Communications, I
3561 396 2318 Cable & Wireless USA
3549 376 859 Global Crossing
577 353 620 Bell Advanced Communications
705 350 63 UUNET Technologies, Inc.
4151 345 1250 USDA
3741 342 757 The Internet Solution
15290 338 339 AT&T Canada IES
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2277 9097 UUNET Technologies, Inc.
1221 1563 1305 Telstra Pty Ltd
3908 1175 1676 Supernet, Inc.
7018 1093 7310 AT&T
702 938 1927 UUNET Technologies, Inc.
7046 866 1024 UUNET Technologies, Inc.
1 854 8543 BBN Planet
1239 737 3243 Sprint
209 579 2238 Qwest
3967 541 460 Exodus Communication
690 507 75 Merit Network
2914 473 2265 Verio, Inc.
4293 446 112 Cable & Wireless USA
3301 435 950 TeliaNet Sweden
2149 427 330 Performance Systems, Inc.
2764 408 359 connect.com.au pty ltd
4323 408 374 Time Warner Communications, I
3561 396 2318 Cable & Wireless USA
703 377 362 UUNET Technologies, Inc.
3549 376 859 Global Crossing
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
22190 UNALLOCATED 12.24.96.0/24 7018 AT&T
22396 UNALLOCATED 12.148.245.0/24 16441 Intellispace Inc.
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
22141 UNALLOCATED 64.113.208.0/23 19029 New Edge Networks
22151 UNALLOCATED 65.115.37.0/24 5696 WINSTAR
22141 UNALLOCATED 65.208.24.0/22 19029 New Edge Networks
22141 UNALLOCATED 65.208.26.0/23 701 UUNET Technologies,
6971 UNALLOCATED 66.182.0.0/18 2516 Kokusai Denshin Denw
21279 UNALLOCATED 80.240.128.0/20 1755 Ebone Transit Core
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
21239 UNALLOCATED 193.109.126.0/24 702 UUNET Technologies,
21279 UNALLOCATED 194.6.165.0/24 1755 Ebone Transit Core
21279 UNALLOCATED 194.209.81.0/24 1755 Ebone Transit Core
21279 UNALLOCATED 195.65.102.0/24 1755 Ebone Transit Core
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
22080 UNALLOCATED 200.81.94.0/23 13591 MetroRED Telecomunic
65000 PRIVATE 203.21.200.0/24 1221 Telstra Pty Ltd
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,
22475 UNALLOCATED 208.253.52.0/23 174 PSINet Inc.
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
4837 UNALLOCATED 218.30.0.0/22 4134 Data Communications
4816 UNALLOCATED 218.30.8.0/22 4134 Data Communications
4837 UNALLOCATED 218.30.16.0/24 4134 Data Communications
4815 UNALLOCATED 218.30.17.0/24 4134 Data Communications
4816 UNALLOCATED 218.30.18.0/24 4134 Data Communications
17696 UNALLOCATED 218.40.160.0/19 4713 NTT Communications C
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 /8:19 /9:5 /10:7 /11:12 /12:35
/13:90 /14:227 /15:392 /16:7024 /17:1317 /18:2442
/19:7068 /20:6032 /21:4838 /22:7192 /23:9395 /24:61821
/25:339 /26:342 /27:291 /28:308 /29:163 /30:196
/31:1 /32:178
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1459 2277 UUNET Technologies, Inc.
1221 1418 1563 Telstra Pty Ltd
3908 892 1175 Supernet, Inc.
7046 688 866 UUNET Technologies, Inc.
702 637 938 UUNET Technologies, Inc.
7018 567 1093 AT&T
690 504 507 Merit Network
4293 431 446 Cable & Wireless USA
1 412 854 BBN Planet
1239 412 737 Sprint
209 407 579 Qwest
3967 369 541 Exodus Communication
2764 363 408 connect.com.au pty ltd
4323 345 408 Time Warner Communications, I
5102 322 335 Ameritech Advanced Data Servi
703 308 377 UUNET Technologies, Inc.
2149 302 427 Performance Systems, Inc.
4151 302 345 USDA
705 298 350 UUNET Technologies, Inc.
11371 296 307 Rhythms NetConnections
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 9:1 12:427 13:10 15:1 17:5
20:1 24:819 25:1 26:1 32:75 38:13
43:2 44:2 47:2 52:1 53:2 57:13
61:104 62:152 63:1960 64:1363 65:883 66:516
67:3 80:75 128:53 129:108 130:25 131:47
132:13 133:2 134:132 135:8 136:106 137:105
138:194 139:51 140:203 141:58 142:63 143:39
144:145 145:13 146:232 147:129 148:219 149:87
150:42 151:190 152:381 153:51 154:21 155:83
156:93 157:111 158:73 159:70 160:46 161:60
162:72 163:159 164:116 165:127 166:208 167:153
168:123 169:45 170:284 171:2 192:5438 193:2013
194:2055 195:848 196:458 198:3812 199:3514 200:2469
201:1 202:2853 203:4549 204:3387 205:2196 206:2845
207:2597 208:3045 209:3122 210:623 211:153 212:898
213:522 214:9 215:17 216:2993 217:420 218:5
End of report
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