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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 14 Nov, 2001
Analysis Summary
----------------
BGP routing table entries examined: 108524
Total ASes present in the Internet Routing Table: 12059
Origin-only ASes present in the Internet Routing Table: 10465
Origin ASes announcing only one prefix: 4485
Transit ASes present in the Internet Routing Table: 1594
Transit-only ASes present in the Internet Routing Table: 54
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: 65
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: 1258394340
Equivalent to 75 /8s, 1 /16s and 146 /24s
Percentage of available address space announced: 34.0
Percentage of allocated address space announced: 64.8
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 73725
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16926
Prefixes being announced from the APNIC address blocks: 15425
APNIC Region origin ASes present in the Internet Routing Table: 1398
APNIC Region origin ASes announcing only one prefix: 459
APNIC Region transit ASes present in the Internet Routing Table: 241
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 88677182
Equivalent to 5 /8s, 73 /16s and 27 /24s
Percentage of available APNIC address space announced: 74.8
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: 73766
Prefixes being announced from the ARIN address blocks: 52611
ARIN Region origin ASes present in the Internet Routing Table: 7169
ARIN Region origin ASes announcing only one prefix: 2184
ARIN Region transit ASes present in the Internet Routing Table: 731
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 220549878
Equivalent to 13 /8s, 37 /16s and 82 /24s
Percentage of available ARIN address space announced: 82.2
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: 17831
Prefixes being announced from the RIPE address blocks: 14466
RIPE Region origin ASes present in the Internet Routing Table: 3446
RIPE Region origin ASes announcing only one prefix: 1842
RIPE Region transit ASes present in the Internet Routing Table: 612
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 109974028
Equivalent to 6 /8s, 142 /16s and 18 /24s
Percentage of available RIPE address space announced: 72.8
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 1541 1303 Telstra Pty Ltd
2764 402 357 connect.com.au pty ltd
703 396 359 UUNET Technologies, Inc.
2907 372 1848 SINET Japan
4755 362 171 Videsh Sanchar Nigam Ltd. Aut
7474 298 275 Optus Communications Pty Ltd
4134 255 1924 Data Communications Bureau
4766 184 1431 Korea Internet Exchange for "
4740 169 26 OzEmail ISP
17676 168 1957 XTAGE CORPORATION
1659 165 1157 Taiwan Academic Network (TANe
9443 165 53 Primus Telecommunications
17557 151 12 Pakistan Telecom
7539 138 142 TANet2, sponsored by NSC, TAI
2521 137 171 PSINet Japan
4812 137 305 China Telecom (Group) - Shang
9583 137 46 Satyam Infoway Ltd.,
9768 128 362 Korea Telecom
4786 125 14 NetConnect Communications Pty
7657 122 23 The Internet Group Limited
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 1039 2033 UUNET Technologies, Inc.
3301 433 949 TeliaNet Sweden
1257 268 500 SWIPnet Swedish IP Network
3215 232 568 France Telecom / &Equant
680 231 2148 DFN-IP service G-WiN
5515 197 688 Sonera Finland Autonomous Sys
3320 195 1957 Deutsche Telekom AG
786 184 1890 The JANET IP Service
8708 173 17 Romania Data Systems S.A.
5400 139 64 Concert European Core Network
719 133 289 LANLINK autonomous system
2856 132 777 BTnet UK Regional network
3303 131 560 Swisscom Ltd
5549 119 82 Nextra Deutschland GmbH + Co.
517 110 250 KPNQwest Germany GmbH
12302 110 7 MobiFon S.A.
1273 109 169 Cable & Wireless ECRC GmbH
3269 105 808 TELECOM ITALIA
1290 102 398 PSINet UK Ltd.
8297 100 31 Teleglobe Autonomous System i
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2247 9147 UUNET Technologies, Inc.
7018 1091 7334 AT&T
3967 1066 484 Exodus Communication
1 841 8536 BBN Planet
7046 817 972 UUNET Technologies, Inc.
8010 718 98 PublicNet Communications, Inc
1239 717 3351 Sprint
3908 684 1518 Supernet, Inc.
209 577 2217 Qwest
852 513 693 Telus Advanced Communications
690 500 87 Merit Network
4323 494 406 Time Warner Communications, I
2149 484 334 Performance Systems, Inc.
2914 472 2253 Verio, Inc.
4293 446 113 Cable & Wireless USA
705 408 172 UUNET Technologies, Inc.
3549 374 869 Global Crossing
3561 372 2285 Cable & Wireless USA
4151 365 1254 USDA
3741 351 766 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2247 9147 UUNET Technologies, Inc.
1221 1541 1303 Telstra Pty Ltd
7018 1091 7334 AT&T
3967 1066 484 Exodus Communication
702 1039 2033 UUNET Technologies, Inc.
1 841 8536 BBN Planet
7046 817 972 UUNET Technologies, Inc.
8010 718 98 PublicNet Communications, Inc
1239 717 3351 Sprint
3908 684 1518 Supernet, Inc.
209 577 2217 Qwest
852 513 693 Telus Advanced Communications
690 500 87 Merit Network
4323 494 406 Time Warner Communications, I
2149 484 334 Performance Systems, Inc.
2914 472 2253 Verio, Inc.
4293 446 113 Cable & Wireless USA
3301 433 949 TeliaNet Sweden
705 408 172 UUNET Technologies, Inc.
2764 402 357 connect.com.au pty ltd
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
22718 UNALLOCATED 63.74.248.0/24 701 UUNET Technologies,
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
6971 UNALLOCATED 66.182.0.0/18 2516 Kokusai Denshin Denw
21240 UNALLOCATED 80.92.192.0/20 701 UUNET Technologies,
21355 UNALLOCATED 80.245.128.0/20 5669 VIA NET.WORKS Inc
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
6971 UNALLOCATED 199.164.144.0/24 2914 Verio, Inc.
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
9541 UNALLOCATED 202.163.64.0/18 8961 Emirates Internet Ex
9541 UNALLOCATED 202.163.120.0/21 8961 Emirates Internet Ex
65000 PRIVATE 203.21.200.0/24 1221 Telstra Pty Ltd
6971 UNALLOCATED 204.69.206.0/24 2914 Verio, Inc.
6971 UNALLOCATED 205.163.58.0/24 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.
6971 UNALLOCATED 207.12.40.0/22 2914 Verio, Inc.
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
6971 UNALLOCATED 208.1.124.0/23 2914 Verio, Inc.
6971 UNALLOCATED 208.1.200.0/21 2914 Verio, 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 216.173.192.0/19 2914 Verio, Inc.
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
17968 UNALLOCATED 218.97.192.0/20 4799 Ji Tong Communicatio
17968 UNALLOCATED 218.97.208.0/20 4799 Ji Tong Communicatio
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
1.1.1.0/24 19855 Masergy Communications
39.0.0.0/8 4554 Exchange Point Blocks
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 /10:7 /11:12 /12:37
/13:89 /14:220 /15:384 /16:7066 /17:1347 /18:2412
/19:7055 /20:5992 /21:4750 /22:7099 /23:8937 /24:61529
/25:330 /26:308 /27:273 /28:254 /29:153 /30:183
/31:0 /32:64
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1439 2247 UUNET Technologies, Inc.
1221 1399 1541 Telstra Pty Ltd
3967 883 1066 Exodus Communication
702 712 1039 UUNET Technologies, Inc.
8010 703 718 PublicNet Communications, Inc
7046 649 817 UUNET Technologies, Inc.
7018 564 1091 AT&T
690 496 500 Merit Network
3908 462 684 Supernet, Inc.
4293 431 446 Cable & Wireless USA
4323 430 494 Time Warner Communications, I
1 405 841 BBN Planet
1239 405 717 Sprint
209 404 577 Qwest
2149 360 484 Performance Systems, Inc.
2764 359 402 connect.com.au pty ltd
852 336 513 Telus Advanced Communications
705 330 408 UUNET Technologies, Inc.
703 326 396 UUNET Technologies, Inc.
4151 320 365 USDA
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:5 9:1 12:422 13:10 15:1
17:5 20:1 24:849 25:1 26:1 32:75
38:13 43:2 44:2 47:2 52:1 53:9
57:12 61:119 62:154 63:1908 64:1505 65:913
66:712 67:3 80:109 128:60 129:109 130:23
131:42 132:13 133:2 134:134 135:8 136:119
137:99 138:195 139:50 140:165 141:58 142:66
143:41 144:148 145:11 146:197 147:132 148:168
149:85 150:42 151:190 152:381 153:69 154:8
155:84 156:92 157:106 158:69 159:69 160:46
161:51 162:77 163:129 164:130 165:122 166:209
167:159 168:120 169:46 170:297 171:2 192:5365
193:2034 194:2060 195:859 196:460 198:3748 199:3436
200:2387 201:1 202:2871 203:4576 204:3342 205:2140
206:2759 207:2638 208:2967 209:2964 210:571 211:143
212:949 213:544 214:9 215:16 216:3000 217:426
218:5
End of report
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