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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 Nov, 2001
Analysis Summary
----------------
BGP routing table entries examined: 108196
Total ASes present in the Internet Routing Table: 12038
Origin-only ASes present in the Internet Routing Table: 10456
Origin ASes announcing only one prefix: 4476
Transit ASes present in the Internet Routing Table: 1582
Transit-only ASes present in the Internet Routing Table: 52
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: 60
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: 1258076770
Equivalent to 74 /8s, 252 /16s and 186 /24s
Percentage of available address space announced: 33.9
Percentage of allocated address space announced: 64.8
Percentage of available address space allocated: 52.4
Total number of prefixes smaller than registry allocations: 73411
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16843
Prefixes being announced from the APNIC address blocks: 15349
APNIC Region origin ASes present in the Internet Routing Table: 1396
APNIC Region origin ASes announcing only one prefix: 462
APNIC Region transit ASes present in the Internet Routing Table: 239
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 88649758
Equivalent to 5 /8s, 72 /16s and 176 /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: 73610
Prefixes being announced from the ARIN address blocks: 52496
ARIN Region origin ASes present in the Internet Routing Table: 7159
ARIN Region origin ASes announcing only one prefix: 2176
ARIN Region transit ASes present in the Internet Routing Table: 734
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 220338702
Equivalent to 13 /8s, 34 /16s and 26 /24s
Percentage of available ARIN address space announced: 82.1
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: 17742
Prefixes being announced from the RIPE address blocks: 14404
RIPE Region origin ASes present in the Internet Routing Table: 3435
RIPE Region origin ASes announcing only one prefix: 1838
RIPE Region transit ASes present in the Internet Routing Table: 598
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 109836684
Equivalent to 6 /8s, 139 /16s and 249 /24s
Percentage of available RIPE address space announced: 72.7
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 1537 1303 Telstra Pty Ltd
2764 404 357 connect.com.au pty ltd
703 395 359 UUNET Technologies, Inc.
2907 372 1848 SINET Japan
4755 352 171 Videsh Sanchar Nigam Ltd. Aut
7474 296 275 Optus Communications Pty Ltd
4134 256 1926 Data Communications Bureau
4766 184 1431 Korea Internet Exchange for "
4740 171 26 OzEmail ISP
17676 168 1957 XTAGE CORPORATION
9443 165 53 Primus Telecommunications
1659 154 1156 Taiwan Academic Network (TANe
17557 144 10 Pakistan Telecom
7539 140 142 TANet2, sponsored by NSC, TAI
9583 138 46 Satyam Infoway Ltd.,
2521 137 171 PSINet Japan
4812 137 305 China Telecom (Group) - Shang
9768 128 362 Korea Telecom
4786 123 14 NetConnect Communications Pty
7657 121 23 The Internet Group Limited
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 978 1986 UUNET Technologies, Inc.
3301 434 950 TeliaNet Sweden
1257 268 500 SWIPnet Swedish IP Network
3215 233 568 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 175 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 121 82 Nextra Deutschland GmbH + Co.
517 110 250 KPNQwest Germany GmbH
1273 110 177 Cable & Wireless ECRC GmbH
12302 109 7 MobiFon S.A.
3269 105 808 TELECOM ITALIA
1270 103 672 UUNET Germany
1290 102 398 PSINet UK Ltd.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2243 9131 UUNET Technologies, Inc.
7018 1087 7332 AT&T
3967 1072 484 Exodus Communication
1 839 8535 BBN Planet
7046 806 971 UUNET Technologies, Inc.
1239 718 3351 Sprint
8010 718 98 PublicNet Communications, Inc
3908 684 1518 Supernet, Inc.
209 590 2218 Qwest
852 513 693 Telus Advanced Communications
4323 493 406 Time Warner Communications, I
2149 486 334 Performance Systems, Inc.
690 484 86 Merit Network
2914 472 2253 Verio, Inc.
4293 440 112 Cable & Wireless USA
705 405 170 UUNET Technologies, Inc.
3549 380 841 Global Crossing
3561 380 2286 Cable & Wireless USA
4151 363 1254 USDA
3741 351 766 The Internet Solution
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2243 9131 UUNET Technologies, Inc.
1221 1537 1303 Telstra Pty Ltd
7018 1087 7332 AT&T
3967 1072 484 Exodus Communication
702 978 1986 UUNET Technologies, Inc.
1 839 8535 BBN Planet
7046 806 971 UUNET Technologies, Inc.
1239 718 3351 Sprint
8010 718 98 PublicNet Communications, Inc
3908 684 1518 Supernet, Inc.
209 590 2218 Qwest
852 513 693 Telus Advanced Communications
4323 493 406 Time Warner Communications, I
2149 486 334 Performance Systems, Inc.
690 484 86 Merit Network
2914 472 2253 Verio, Inc.
4293 440 112 Cable & Wireless USA
3301 434 950 TeliaNet Sweden
705 405 170 UUNET Technologies, Inc.
2764 404 357 connect.com.au pty ltd
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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
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
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
89.81.192.0/20 6695 DE-CIX AS
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 /15:383 /16:7067 /17:1345 /18:2409
/19:7054 /20:5991 /21:4738 /22:7083 /23:8899 /24:61279
/25:327 /26:305 /27:273 /28:250 /29:152 /30:183
/31:0 /32:70
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 1436 2243 UUNET Technologies, Inc.
1221 1395 1537 Telstra Pty Ltd
3967 889 1072 Exodus Communication
8010 703 718 PublicNet Communications, Inc
702 670 978 UUNET Technologies, Inc.
7046 637 806 UUNET Technologies, Inc.
7018 560 1087 AT&T
690 480 484 Merit Network
3908 462 684 Supernet, Inc.
4323 429 493 Time Warner Communications, I
4293 425 440 Cable & Wireless USA
209 417 590 Qwest
1239 406 718 Sprint
1 404 839 BBN Planet
2149 361 486 Performance Systems, Inc.
2764 361 404 connect.com.au pty ltd
852 336 513 Telus Advanced Communications
705 328 405 UUNET Technologies, Inc.
703 325 395 UUNET Technologies, Inc.
4151 318 363 USDA
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 9:1 12:422 13:10 15:1 17:5
20:1 24:835 25:1 26:1 32:75 38:13
43:2 44:2 47:2 52:1 53:9 57:12
61:120 62:150 63:1899 64:1505 65:907 66:712
67:3 80:108 128:60 129:109 130:23 131:41
132:13 133:2 134:134 135:8 136:118 137:99
138:195 139:50 140:168 141:58 142:66 143:41
144:146 145:11 146:197 147:132 148:148 149:85
150:42 151:190 152:375 153:53 154:8 155:84
156:92 157:84 158:68 159:70 160:46 161:51
162:77 163:129 164:122 165:122 166:206 167:159
168:130 169:46 170:297 171:2 192:5366 193:2033
194:2059 195:852 196:456 198:3748 199:3435 200:2378
201:1 202:2846 203:4539 204:3348 205:2137 206:2770
207:2640 208:2953 209:2970 210:563 211:148 212:934
213:535 214:9 215:16 216:2955 217:423 218:6
End of report
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