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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 26 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 107657
Origin ASes present in the Internet Routing Table: 11731
Origin ASes announcing only one prefix: 4329
Transit ASes present in the Internet Routing Table: 1503
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: 40
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: 1238156790
Equivalent to 73 /8s, 204 /16s and 197 /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: 73387
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16398
Prefixes being announced from the APNIC address blocks: 14807
APNIC Region origin ASes present in the Internet Routing Table: 1375
APNIC Region origin ASes announcing only one prefix: 457
APNIC Region transit ASes present in the Internet Routing Table: 229
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 80694867
Equivalent to 4 /8s, 207 /16s and 78 /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: 73771
Prefixes being announced from the ARIN address blocks: 53018
ARIN Region origin ASes present in the Internet Routing Table: 7040
ARIN Region origin ASes announcing only one prefix: 2116
ARIN Region transit ASes present in the Internet Routing Table: 701
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 208965261
Equivalent to 12 /8s, 116 /16s and 142 /24s
Percentage of available ARIN address space announced: 77.8
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: 17484
Prefixes being announced from the RIPE address blocks: 13882
RIPE Region origin ASes present in the Internet Routing Table: 3322
RIPE Region origin ASes announcing only one prefix: 1756
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: 124407327
Equivalent to 7 /8s, 106 /16s and 78 /24s
Percentage of available RIPE address space announced: 82.4
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 1616 1315 Telstra Pty Ltd
2764 418 374 connect.com.au pty ltd
703 413 373 UUNET Technologies, Inc.
2907 368 1831 SINET Japan
4755 297 162 Videsh Sanchar Nigam Ltd. Aut
7474 242 274 Optus Communications Pty Ltd
4134 238 1800 Data Communications Bureau
7539 212 191 TANet2, sponsored by NSC, TAI
4740 183 23 OzEmail ISP
4766 180 1336 Korea Internet Exchange for "
9443 153 50 Primus Telecommunications
17557 130 8 Pakistan Telecom
4786 127 17 NetConnect Communications Pty
7545 126 23 TPG Internet Pty Ltd
9768 123 362 Korea Telecom
4763 121 69 Telstra New Zealand
4713 118 901 NTT Communications Corporatio
9583 117 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
702 879 1959 UUNET Technologies, Inc.
3301 445 935 TeliaNet Sweden
1257 278 514 SWIPnet Swedish IP Network
680 237 2308 DFN-IP service G-WiN
3215 226 515 France Telecom / &Equant
5515 192 671 Sonera Finland Autonomous Sys
3320 187 1942 Deutsche Telekom AG
786 185 1890 The JANET IP Service
15870 179 11 Global Center Frankfurt
8708 158 16 Romania Data Systems S.A.
1270 147 734 UUNET Germany
719 137 288 LANLINK autonomous system
5400 137 64 Concert European Core Network
3303 130 560 Swisscom Ltd
15878 129 9 Global Center Paris
2856 126 774 BTnet UK Regional network
5549 126 67 Nextra Deutschland GmbH + Co.
517 114 253 KPNQwest Germany GmbH
1267 103 1988 Infostrada S.p.A.
12302 100 6 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2262 8133 UUNET Technologies, Inc.
7018 1054 7165 AT&T
3908 927 738 Supernet, Inc.
1 868 8637 BBN Planet
7046 807 1005 UUNET Technologies, Inc.
1239 737 3361 Sprint
3967 599 473 Exodus Communication
209 530 2232 Qwest
690 504 96 Merit Network
2914 501 2272 Verio, Inc.
4293 459 113 Cable & Wireless USA
3561 410 2326 Cable & Wireless USA
2548 372 989 Business Internet, Inc.
3549 370 835 Global Crossing
2149 368 231 Performance Systems, Inc.
4323 362 361 Time Warner Communications, I
577 361 635 Bell Advanced Communications
3741 353 776 The Internet Solution
705 345 55 UUNET Technologies, Inc.
6347 332 359 SAVVIS Communications Corpora
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2262 8133 UUNET Technologies, Inc.
1221 1616 1315 Telstra Pty Ltd
7018 1054 7165 AT&T
3908 927 738 Supernet, Inc.
702 879 1959 UUNET Technologies, Inc.
1 868 8637 BBN Planet
7046 807 1005 UUNET Technologies, Inc.
1239 737 3361 Sprint
3967 599 473 Exodus Communication
209 530 2232 Qwest
690 504 96 Merit Network
2914 501 2272 Verio, Inc.
4293 459 113 Cable & Wireless USA
3301 445 935 TeliaNet Sweden
2764 418 374 connect.com.au pty ltd
703 413 373 UUNET Technologies, Inc.
3561 410 2326 Cable & Wireless USA
2548 372 989 Business Internet, Inc.
3549 370 835 Global Crossing
2149 368 231 Performance Systems, Inc.
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 64.42.40.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc.
6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc.
6971 UNALLOCATED 64.42.72.0/21 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
578 UNALLOCATED 64.230.242.16/28 577 Bell Advanced Commun
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
65460 PRIVATE 192.231.11.0/24 7018 AT&T
64556 PRIVATE 194.102.128.0/24 12310 Ines Advertising srl
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
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,
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 216.174.202.0/23 2914 Verio, Inc.
6971 UNALLOCATED 216.174.204.0/22 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 216.174.240.0/22 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 216.229.96.0/20 2516 Kokusai Denshin Denw
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
128.65.0.0/16 3463 ACES Research Inc
128.204.0.0/16 1785 AppliedTheory Corporation
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 /10:6 /11:12 /12:33
/13:86 /14:226 /15:386 /16:6976 /17:1229 /18:2357
/19:6957 /20:5848 /21:4792 /22:7049 /23:8979 /24:61104
/25:320 /26:338 /27:252 /28:256 /29:151 /30:184
/31:1 /32:92
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1466 1616 Telstra Pty Ltd
701 1429 2262 UUNET Technologies, Inc.
3908 772 927 Supernet, Inc.
7046 631 807 UUNET Technologies, Inc.
702 595 879 UUNET Technologies, Inc.
7018 555 1054 AT&T
690 500 504 Merit Network
4293 445 459 Cable & Wireless USA
1 422 868 BBN Planet
3967 419 599 Exodus Communication
1239 410 737 Sprint
2764 372 418 connect.com.au pty ltd
209 368 530 Qwest
703 342 413 UUNET Technologies, Inc.
6995 308 321 Bell Atlantic Internet Soluti
4323 303 362 Time Warner Communications, I
705 301 345 UUNET Technologies, Inc.
5106 300 318 Ameritech Advanced Data Servi
11371 300 312 Rhythms NetConnections
4151 283 325 USDA
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:6 9:1 12:417 13:10 15:1 17:5
20:1 24:816 25:1 26:1 32:74 38:10
43:3 44:2 47:2 53:2 55:1 57:15
61:88 62:136 63:1950 64:1342 65:729 66:463
67:2 80:57 128:50 129:108 130:19 131:51
132:12 133:2 134:142 135:10 136:92 137:93
138:220 139:45 140:198 141:198 142:57 143:39
144:152 145:13 146:145 147:129 148:131 149:89
150:37 151:323 152:366 153:49 154:16 155:85
156:92 157:111 158:74 159:67 160:47 161:59
162:66 163:151 164:95 165:97 166:189 167:139
168:118 169:40 170:290 171:2 192:5409 193:1958
194:2025 195:819 196:450 198:3656 199:3315 200:2530
201:1 202:2820 203:4596 204:3361 205:2217 206:2898
207:2622 208:3140 209:3134 210:553 211:144 212:855
213:516 214:8 215:13 216:3027 217:392 218:2
End of report
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