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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 02 Oct, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109492
Origin ASes present in the Internet Routing Table: 11800
Origin ASes announcing only one prefix: 4338
Transit ASes present in the Internet Routing Table: 1515
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 23
Illegal AS announcements present in the Routing Table: 56
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 14
Number of addresses announced to Internet: 1238041046
Equivalent to 73 /8s, 203 /16s and 1 /24s
Percentage of available address space announced: 33.4
Percentage of allocated address space announced: 64.3
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74430
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16380
Prefixes being announced from the APNIC address blocks: 14785
APNIC Region origin ASes present in the Internet Routing Table: 1380
APNIC Region origin ASes announcing only one prefix: 462
APNIC Region transit ASes present in the Internet Routing Table: 235
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 80640735
Equivalent to 4 /8s, 206 /16s and 122 /24s
Percentage of available APNIC address space announced: 79.3
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: 75490
Prefixes being announced from the ARIN address blocks: 53800
ARIN Region origin ASes present in the Internet Routing Table: 7100
ARIN Region origin ASes announcing only one prefix: 2115
ARIN Region transit ASes present in the Internet Routing Table: 708
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 213928209
Equivalent to 12 /8s, 192 /16s and 73 /24s
Percentage of available ARIN address space announced: 79.7
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: 17600
Prefixes being announced from the RIPE address blocks: 14007
RIPE Region origin ASes present in the Internet Routing Table: 3328
RIPE Region origin ASes announcing only one prefix: 1761
RIPE Region transit ASes present in the Internet Routing Table: 574
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 107879583
Equivalent to 6 /8s, 110 /16s and 28 /24s
Percentage of available RIPE address space announced: 71.4
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 1619 1313 Telstra Pty Ltd
2764 418 374 connect.com.au pty ltd
703 406 372 UUNET Technologies, Inc.
2907 369 1847 SINET Japan
4755 296 162 Videsh Sanchar Nigam Ltd. Aut
7474 243 274 Optus Communications Pty Ltd
4134 237 1805 Data Communications Bureau
7539 208 190 TANet2, sponsored by NSC, TAI
4740 187 23 OzEmail ISP
4766 181 1338 Korea Internet Exchange for "
9443 159 53 Primus Telecommunications
17557 130 8 Pakistan Telecom
4786 127 17 NetConnect Communications Pty
7545 125 23 TPG Internet Pty Ltd
9768 123 378 Korea Telecom
4763 122 69 Telstra New Zealand
4713 117 885 NTT Communications Corporatio
9583 116 60 Satyam Infoway Ltd.,
17561 116 167 Internet service provision to
4808 105 192 CHINANET core WAN North
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 897 1953 UUNET Technologies, Inc.
3301 441 937 TeliaNet Sweden
1257 270 512 SWIPnet Swedish IP Network
680 242 2340 DFN-IP service G-WiN
3215 229 515 France Telecom / &Equant
5515 193 687 Sonera Finland Autonomous Sys
3320 188 1942 Deutsche Telekom AG
786 185 1890 The JANET IP Service
8708 159 16 Romania Data Systems S.A.
15870 149 11 Global Center Frankfurt
1270 147 733 UUNET Germany
5400 141 65 Concert European Core Network
719 136 288 LANLINK autonomous system
3303 130 560 Swisscom Ltd
2856 126 774 BTnet UK Regional network
5549 125 66 Nextra Deutschland GmbH + Co.
15878 125 9 Global Center Paris
517 114 254 KPNQwest Germany GmbH
1267 103 1988 Infostrada S.p.A.
12302 102 6 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2257 9128 UUNET Technologies, Inc.
3908 1119 1500 Supernet, Inc.
7018 1064 7201 AT&T
1 875 8622 BBN Planet
7046 798 1006 UUNET Technologies, Inc.
1239 742 3376 Sprint
3967 615 470 Exodus Communication
209 548 2219 Qwest
690 515 80 Merit Network
2914 503 2303 Verio, Inc.
4293 457 112 Cable & Wireless USA
3561 409 2325 Cable & Wireless USA
721 391 4422 DLA Systems Automation Center
2548 388 1006 Business Internet, Inc.
3549 369 835 Global Crossing
4323 366 342 Time Warner Communications, I
2149 362 263 Performance Systems, Inc.
577 352 636 Bell Advanced Communications
705 351 71 UUNET Technologies, Inc.
3741 346 773 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2257 9128 UUNET Technologies, Inc.
1221 1619 1313 Telstra Pty Ltd
3908 1119 1500 Supernet, Inc.
7018 1064 7201 AT&T
702 897 1953 UUNET Technologies, Inc.
1 875 8622 BBN Planet
7046 798 1006 UUNET Technologies, Inc.
1239 742 3376 Sprint
3967 615 470 Exodus Communication
209 548 2219 Qwest
690 515 80 Merit Network
2914 503 2303 Verio, Inc.
4293 457 112 Cable & Wireless USA
3301 441 937 TeliaNet Sweden
2764 418 374 connect.com.au pty ltd
3561 409 2325 Cable & Wireless USA
703 406 372 UUNET Technologies, Inc.
721 391 4422 DLA Systems Automation Center
2548 388 1006 Business Internet, Inc.
2907 369 1847 SINET Japan
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 63.178.38.0/24 4999 Sprint
65530 PRIVATE 63.178.42.0/24 4999 Sprint
65530 PRIVATE 63.178.44.0/24 4999 Sprint
65530 PRIVATE 63.178.58.0/24 4999 Sprint
65530 PRIVATE 63.178.60.0/24 4999 Sprint
65530 PRIVATE 63.178.61.0/24 4999 Sprint
65530 PRIVATE 63.178.63.0/24 4999 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 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc.
6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw
65000 PRIVATE 138.163.4.0/24 665 Department of Navy
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
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
65460 PRIVATE 192.231.11.0/24 7018 AT&T
5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati
22290 UNALLOCATED 199.217.152.0/24 1239 Sprint
22290 UNALLOCATED 199.217.187.0/24 1239 Sprint
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
65000 PRIVATE 205.68.64.0/24 721 DLA Systems Automati
65000 PRIVATE 205.68.67.0/24 721 DLA Systems Automati
65000 PRIVATE 205.68.71.0/24 721 DLA Systems Automati
65000 PRIVATE 205.68.77.0/24 721 DLA Systems Automati
65000 PRIVATE 205.68.82.0/24 721 DLA Systems Automati
65000 PRIVATE 205.68.85.0/24 721 DLA Systems Automati
65000 PRIVATE 205.68.86.0/24 721 DLA Systems Automati
65000 PRIVATE 205.68.87.0/24 721 DLA Systems Automati
65000 PRIVATE 205.68.91.0/24 721 DLA Systems Automati
65000 PRIVATE 205.68.92.0/24 721 DLA Systems Automati
6971 UNALLOCATED 206.58.248.0/22 2516 Kokusai Denshin Denw
6971 UNALLOCATED 206.58.248.0/21 2516 Kokusai Denshin Denw
64803 PRIVATE 206.81.213.0/24 6225 US West Communicatio
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
22290 UNALLOCATED 207.150.139.0/24 1239 Sprint
22075 UNALLOCATED 209.39.134.0/24 209 Qwest
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
64803 PRIVATE 216.160.71.0/24 6225 US West Communicatio
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 216.174.208.0/20 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw
6971 UNALLOCATED 216.210.160.0/21 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
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 /8:17 /9:5 /10:8 /11:12 /12:33
/13:86 /14:226 /15:385 /16:7087 /17:1241 /18:2356
/19:6962 /20:5893 /21:4809 /22:7096 /23:9056 /24:62696
/25:306 /26:327 /27:253 /28:252 /29:150 /30:179
/31:1 /32:56
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1472 1619 Telstra Pty Ltd
701 1431 2257 UUNET Technologies, Inc.
3908 851 1119 Supernet, Inc.
7046 622 798 UUNET Technologies, Inc.
702 612 897 UUNET Technologies, Inc.
7018 561 1064 AT&T
690 512 515 Merit Network
4293 443 457 Cable & Wireless USA
3967 435 615 Exodus Communication
1 423 875 BBN Planet
1239 412 742 Sprint
209 386 548 Qwest
2764 372 418 connect.com.au pty ltd
703 335 406 UUNET Technologies, Inc.
5106 323 342 Ameritech Advanced Data Servi
4323 309 366 Time Warner Communications, I
6995 307 318 Bell Atlantic Internet Soluti
705 305 351 UUNET Technologies, Inc.
11371 299 310 Rhythms NetConnections
4151 296 338 USDA
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:424 13:10 15:1 17:5
20:1 24:811 25:1 26:1 32:75 38:13
43:3 44:2 53:2 55:1 57:14 61:100
62:202 63:1936 64:1324 65:776 66:469 67:2
80:61 128:49 129:108 130:19 131:51 132:39
133:2 134:139 135:11 136:104 137:93 138:253
139:45 140:196 141:198 142:56 143:39 144:158
145:22 146:146 147:129 148:83 149:87 150:37
151:323 152:396 153:47 154:16 155:80 156:96
157:110 158:74 159:68 160:48 161:59 162:71
163:146 164:102 165:98 166:193 167:150 168:125
169:40 170:277 171:2 192:5617 193:1966 194:2044
195:830 196:451 198:4065 199:3853 200:2546 201:1
202:2822 203:4565 204:3381 205:2339 206:2915 207:2632
208:3151 209:3162 210:558 211:137 212:856 213:518
214:8 215:14 216:3047 217:390 218:2
End of report
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