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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 13 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109769
Origin ASes present in the Internet Routing Table: 11871
Origin ASes announcing only one prefix: 4367
Transit ASes present in the Internet Routing Table: 1525
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: 73
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 17
Number of addresses announced to Internet: 1277415228
Equivalent to 76 /8s, 35 /16s and 207 /24s
Percentage of available address space announced: 34.5
Percentage of allocated address space announced: 66.4
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74442
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16469
Prefixes being announced from the APNIC address blocks: 14968
APNIC Region origin ASes present in the Internet Routing Table: 1379
APNIC Region origin ASes announcing only one prefix: 462
APNIC Region transit ASes present in the Internet Routing Table: 232
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 81814825
Equivalent to 4 /8s, 224 /16s and 101 /24s
Percentage of available APNIC address space announced: 80.4
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: 75548
Prefixes being announced from the ARIN address blocks: 53850
ARIN Region origin ASes present in the Internet Routing Table: 7145
ARIN Region origin ASes announcing only one prefix: 2128
ARIN Region transit ASes present in the Internet Routing Table: 708
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 218612601
Equivalent to 13 /8s, 7 /16s and 195 /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: 17750
Prefixes being announced from the RIPE address blocks: 14117
RIPE Region origin ASes present in the Internet Routing Table: 3357
RIPE Region origin ASes announcing only one prefix: 1777
RIPE Region transit ASes present in the Internet Routing Table: 586
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 108749302
Equivalent to 6 /8s, 123 /16s and 97 /24s
Percentage of available RIPE address space announced: 72.0
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 1591 1312 Telstra Pty Ltd
2764 416 359 connect.com.au pty ltd
703 381 337 UUNET Technologies, Inc.
2907 369 1847 SINET Japan
4755 289 163 Videsh Sanchar Nigam Ltd. Aut
7474 243 274 Optus Communications Pty Ltd
4134 239 1862 Data Communications Bureau
4766 186 1466 Korea Internet Exchange for "
4740 175 22 OzEmail ISP
9443 160 54 Primus Telecommunications
2521 138 171 PSINet Japan
9768 131 363 Korea Telecom
17557 129 8 Pakistan Telecom
4763 122 69 Telstra New Zealand
4786 122 14 NetConnect Communications Pty
7545 122 23 TPG Internet Pty Ltd
9583 119 60 Satyam Infoway Ltd.,
7539 118 167 TANet2, sponsored by NSC, TAI
4713 117 885 NTT Communications Corporatio
17561 114 167 Internet service provision to
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 909 1952 UUNET Technologies, Inc.
3301 438 937 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 189 1940 Deutsche Telekom AG
786 186 1890 The JANET IP Service
1103 161 4089 SURFnet BV
8708 159 16 Romania Data Systems S.A.
15870 142 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
5549 127 67 Nextra Deutschland GmbH + Co.
1270 126 732 UUNET Germany
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 2311 9168 UUNET Technologies, Inc.
3908 1149 1562 Supernet, Inc.
7018 1063 7278 AT&T
1 872 8595 BBN Planet
7046 802 1020 UUNET Technologies, Inc.
1239 745 3391 Sprint
3967 618 471 Exodus Communication
209 575 2253 Qwest
690 505 95 Merit Network
2914 482 2253 Verio, Inc.
4293 461 112 Cable & Wireless USA
705 412 54 UUNET Technologies, Inc.
3561 403 2326 Cable & Wireless USA
721 390 4406 DLA Systems Automation Center
3549 381 842 Global Crossing
2149 380 327 Performance Systems, Inc.
2548 356 999 Business Internet, Inc.
577 351 636 Bell Advanced Communications
5106 348 213 Ameritech Advanced Data Servi
11686 347 87 Education Networks of America
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2311 9168 UUNET Technologies, Inc.
1221 1591 1312 Telstra Pty Ltd
3908 1149 1562 Supernet, Inc.
7018 1063 7278 AT&T
702 909 1952 UUNET Technologies, Inc.
1 872 8595 BBN Planet
7046 802 1020 UUNET Technologies, Inc.
1239 745 3391 Sprint
3967 618 471 Exodus Communication
209 575 2253 Qwest
690 505 95 Merit Network
2914 482 2253 Verio, Inc.
4293 461 112 Cable & Wireless USA
3301 438 937 TeliaNet Sweden
2764 416 359 connect.com.au pty ltd
705 412 54 UUNET Technologies, Inc.
3561 403 2326 Cable & Wireless USA
721 390 4406 DLA Systems Automation Center
703 381 337 UUNET Technologies, Inc.
3549 381 842 Global Crossing
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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 216.210.144.0/20 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
201.11.128.0/24 2764 connect.com.au pty ltd
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 /10:8 /11:12 /12:33
/13:87 /14:227 /15:393 /16:7093 /17:1306 /18:2402
/19:7020 /20:5942 /21:4806 /22:7126 /23:9098 /24:62627
/25:329 /26:336 /27:256 /28:254 /29:151 /30:188
/31:1 /32:50
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1480 2311 UUNET Technologies, Inc.
1221 1445 1591 Telstra Pty Ltd
3908 874 1149 Supernet, Inc.
7046 624 802 UUNET Technologies, Inc.
702 621 909 UUNET Technologies, Inc.
7018 558 1063 AT&T
690 501 505 Merit Network
4293 447 461 Cable & Wireless USA
3967 438 618 Exodus Communication
1 422 872 BBN Planet
209 410 575 Qwest
1239 407 745 Sprint
2764 370 416 connect.com.au pty ltd
705 361 412 UUNET Technologies, Inc.
5106 327 348 Ameritech Advanced Data Servi
703 315 381 UUNET Technologies, Inc.
11686 314 347 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 12:417 13:10 15:1 17:5
20:1 24:781 25:1 26:1 32:75 38:14
43:2 44:3 52:1 53:2 57:15 61:114
62:159 63:1945 64:1282 65:840 66:481 67:32
80:67 128:51 129:112 130:20 131:47 132:40
133:2 134:123 135:13 136:91 137:93 138:154
139:49 140:150 141:192 142:56 143:39 144:152
145:37 146:225 147:129 148:188 149:88 150:40
151:178 152:389 153:51 154:19 155:83 156:95
157:112 158:72 159:70 160:47 161:61 162:70
163:147 164:123 165:100 166:205 167:158 168:121
169:40 170:287 171:2 192:5612 193:1972 194:2073
195:845 196:467 198:4108 199:3901 200:2401 201:2
202:2822 203:4590 204:3372 205:2316 206:2882 207:2620
208:3186 209:3119 210:588 211:135 212:867 213:533
214:9 215:14 216:3024 217:390 218:2
End of report
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