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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 16 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109938
Origin ASes present in the Internet Routing Table: 11896
Origin ASes announcing only one prefix: 4386
Transit ASes present in the Internet Routing Table: 1527
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: 74
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 16
Number of addresses announced to Internet: 1297075464
Equivalent to 77 /8s, 79 /16s and 205 /24s
Percentage of available address space announced: 35.0
Percentage of allocated address space announced: 67.4
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74558
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16491
Prefixes being announced from the APNIC address blocks: 14941
APNIC Region origin ASes present in the Internet Routing Table: 1381
APNIC Region origin ASes announcing only one prefix: 463
APNIC Region transit ASes present in the Internet Routing Table: 233
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 82502585
Equivalent to 4 /8s, 234 /16s and 227 /24s
Percentage of available APNIC address space announced: 81.1
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: 75670
Prefixes being announced from the ARIN address blocks: 53911
ARIN Region origin ASes present in the Internet Routing Table: 7165
ARIN Region origin ASes announcing only one prefix: 2141
ARIN Region transit ASes present in the Internet Routing Table: 707
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 235376933
Equivalent to 14 /8s, 7 /16s and 145 /24s
Percentage of available ARIN address space announced: 87.7
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: 17775
Prefixes being announced from the RIPE address blocks: 14144
RIPE Region origin ASes present in the Internet Routing Table: 3361
RIPE Region origin ASes announcing only one prefix: 1782
RIPE Region transit ASes present in the Internet Routing Table: 588
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 108801964
Equivalent to 6 /8s, 124 /16s and 47 /24s
Percentage of available RIPE address space announced: 72.1
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 1586 1292 Telstra Pty Ltd
2764 414 359 connect.com.au pty ltd
703 377 336 UUNET Technologies, Inc.
2907 370 1847 SINET Japan
4755 291 160 Videsh Sanchar Nigam Ltd. Aut
7474 243 274 Optus Communications Pty Ltd
4134 242 1862 Data Communications Bureau
4766 186 1466 Korea Internet Exchange for "
4740 178 26 OzEmail ISP
7539 174 214 TANet2, sponsored by NSC, TAI
9443 160 54 Primus Telecommunications
2521 140 171 PSINet Japan
9768 131 363 Korea Telecom
17557 126 8 Pakistan Telecom
4786 123 14 NetConnect Communications Pty
4763 122 69 Telstra New Zealand
4713 117 885 NTT Communications Corporatio
9583 117 60 Satyam Infoway Ltd.,
7545 116 23 TPG Internet Pty Ltd
17561 114 167 Internet service provision to
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 910 1952 UUNET Technologies, Inc.
3301 437 952 TeliaNet Sweden
1257 273 512 SWIPnet Swedish IP Network
680 241 2309 DFN-IP service G-WiN
3215 236 515 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 190 1940 Deutsche Telekom AG
786 186 1890 The JANET IP Service
1103 165 4089 SURFnet BV
8708 159 16 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 129 560 Swisscom Ltd
2856 128 776 BTnet UK Regional network
1270 127 732 UUNET Germany
5549 127 67 Nextra Deutschland GmbH + Co.
15878 122 9 Global Center Paris
517 112 252 KPNQwest Germany GmbH
3269 106 807 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2299 9167 UUNET Technologies, Inc.
3908 1147 1576 Supernet, Inc.
7018 1065 7294 AT&T
1 861 8589 BBN Planet
7046 810 1021 UUNET Technologies, Inc.
1239 749 3391 Sprint
3967 619 471 Exodus Communication
209 576 2253 Qwest
690 504 79 Merit Network
2914 468 2252 Verio, Inc.
4293 460 112 Cable & Wireless USA
3561 433 2328 Cable & Wireless USA
705 424 67 UUNET Technologies, Inc.
721 383 4406 DLA Systems Automation Center
2149 380 327 Performance Systems, Inc.
3549 378 842 Global Crossing
577 351 636 Bell Advanced Communications
5106 349 213 Ameritech Advanced Data Servi
4151 345 1235 USDA
3741 344 765 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2299 9167 UUNET Technologies, Inc.
1221 1586 1292 Telstra Pty Ltd
3908 1147 1576 Supernet, Inc.
7018 1065 7294 AT&T
702 910 1952 UUNET Technologies, Inc.
1 861 8589 BBN Planet
7046 810 1021 UUNET Technologies, Inc.
1239 749 3391 Sprint
3967 619 471 Exodus Communication
209 576 2253 Qwest
690 504 79 Merit Network
2914 468 2252 Verio, Inc.
4293 460 112 Cable & Wireless USA
3301 437 952 TeliaNet Sweden
3561 433 2328 Cable & Wireless USA
705 424 67 UUNET Technologies, Inc.
2764 414 359 connect.com.au pty ltd
721 383 4406 DLA Systems Automation Center
2149 380 327 Performance Systems, Inc.
3549 378 842 Global Crossing
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
21174 UNALLOCATED 62.56.174.0/23 12491 IPPlanet
21174 UNALLOCATED 62.56.176.0/21 12491 IPPlanet
22153 UNALLOCATED 63.167.108.0/24 1239 Sprint
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
22153 UNALLOCATED 65.161.192.0/24 1239 Sprint
22153 UNALLOCATED 65.165.127.0/24 1239 Sprint
65000 PRIVATE 138.163.4.0/24 665 Department of Navy
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
22153 UNALLOCATED 168.215.234.0/23 1239 Sprint
22153 UNALLOCATED 168.215.235.0/24 1239 Sprint
22153 UNALLOCATED 168.215.236.0/23 1239 Sprint
22153 UNALLOCATED 168.215.237.0/24 1239 Sprint
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
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
5555 UNALLOCATED 192.156.41.0/24 721 DLA Systems Automati
22290 UNALLOCATED 198.140.161.0/24 2914 Verio, Inc.
22051 UNALLOCATED 198.172.125.0/24 2914 Verio, Inc.
5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati
22290 UNALLOCATED 199.217.152.0/24 2914 Verio, Inc.
22290 UNALLOCATED 199.217.187.0/24 2914 Verio, Inc.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
22290 UNALLOCATED 205.159.194.0/24 2914 Verio, Inc.
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,
22290 UNALLOCATED 207.150.139.0/24 2914 Verio, Inc.
22237 UNALLOCATED 208.253.66.0/24 701 UUNET Technologies,
22075 UNALLOCATED 209.39.134.0/24 2914 Verio, Inc.
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
1.0.0.0/8 7623 High Performance Computing NE
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 /8:20 /9:5 /10:8 /11:12 /12:34
/13:88 /14:227 /15:393 /16:7109 /17:1309 /18:2405
/19:7024 /20:5950 /21:4798 /22:7144 /23:9136 /24:62741
/25:320 /26:322 /27:258 /28:249 /29:149 /30:182
/31:1 /32:54
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1467 2299 UUNET Technologies, Inc.
1221 1443 1586 Telstra Pty Ltd
3908 874 1147 Supernet, Inc.
7046 630 810 UUNET Technologies, Inc.
702 618 910 UUNET Technologies, Inc.
7018 557 1065 AT&T
690 501 504 Merit Network
4293 446 460 Cable & Wireless USA
3967 439 619 Exodus Communication
1 413 861 BBN Planet
209 409 576 Qwest
1239 408 749 Sprint
705 374 424 UUNET Technologies, Inc.
2764 369 414 connect.com.au pty ltd
5106 328 349 Ameritech Advanced Data Servi
703 311 377 UUNET Technologies, Inc.
11686 305 338 Education Networks of America
4151 303 345 USDA
11371 299 310 Rhythms NetConnections
4323 285 344 Time Warner Communications, I
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:419 13:10 15:1 17:5
20:1 24:783 25:1 26:1 32:74 38:13
43:2 44:3 52:1 53:2 57:15 61:108
62:160 63:1954 64:1288 65:851 66:477 67:32
80:71 128:51 129:96 130:20 131:47 132:35
133:2 134:123 135:13 136:87 137:93 138:194
139:51 140:180 141:192 142:58 143:39 144:149
145:37 146:226 147:129 148:189 149:90 150:41
151:178 152:388 153:51 154:19 155:83 156:95
157:114 158:72 159:70 160:46 161:61 162:70
163:146 164:123 165:99 166:204 167:156 168:121
169:40 170:286 171:2 192:5631 193:1979 194:2076
195:842 196:466 198:4110 199:3913 200:2397 201:1
202:2826 203:4563 204:3366 205:2351 206:2885 207:2648
208:3175 209:3115 210:580 211:137 212:866 213:534
214:9 215:16 216:3015 217:393 218:2
End of report
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