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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 30 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 109028
Origin ASes present in the Internet Routing Table: 11796
Origin ASes announcing only one prefix: 4339
Transit ASes present in the Internet Routing Table: 1512
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: 43
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: 1233104353
Equivalent to 73 /8s, 127 /16s and 173 /24s
Percentage of available address space announced: 33.3
Percentage of allocated address space announced: 64.1
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 74044
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16366
Prefixes being announced from the APNIC address blocks: 14772
APNIC Region origin ASes present in the Internet Routing Table: 1379
APNIC Region origin ASes announcing only one prefix: 460
APNIC Region transit ASes present in the Internet Routing Table: 234
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 80606903
Equivalent to 4 /8s, 205 /16s and 246 /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: 75079
Prefixes being announced from the ARIN address blocks: 53510
ARIN Region origin ASes present in the Internet Routing Table: 7098
ARIN Region origin ASes announcing only one prefix: 2118
ARIN Region transit ASes present in the Internet Routing Table: 707
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 209181715
Equivalent to 12 /8s, 119 /16s and 220 /24s
Percentage of available ARIN address space announced: 77.9
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: 17575
Prefixes being announced from the RIPE address blocks: 14000
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: 573
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 107850527
Equivalent to 6 /8s, 109 /16s and 171 /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 1623 1315 Telstra Pty Ltd
2764 416 374 connect.com.au pty ltd
703 408 372 UUNET Technologies, Inc.
2907 369 1847 SINET Japan
4755 295 161 Videsh Sanchar Nigam Ltd. Aut
7474 243 274 Optus Communications Pty Ltd
4134 237 1805 Data Communications Bureau
7539 205 190 TANet2, sponsored by NSC, TAI
4740 183 39 OzEmail ISP
4766 181 1338 Korea Internet Exchange for "
9443 154 52 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
17561 116 167 Internet service provision to
9583 114 60 Satyam Infoway Ltd.,
4808 105 192 CHINANET core WAN North
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 898 1937 UUNET Technologies, Inc.
3301 441 937 TeliaNet Sweden
1257 271 512 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 158 16 Romania Data Systems S.A.
15870 149 11 Global Center Frankfurt
1270 146 733 UUNET Germany
5400 137 64 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
517 113 253 KPNQwest Germany GmbH
1267 103 1988 Infostrada S.p.A.
12302 101 6 MobiFon S.A.
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2249 8106 UUNET Technologies, Inc.
3908 1114 1500 Supernet, Inc.
7018 1061 7201 AT&T
1 874 8638 BBN Planet
7046 793 1006 UUNET Technologies, Inc.
1239 741 3376 Sprint
3967 597 468 Exodus Communication
209 547 2219 Qwest
690 516 81 Merit Network
2914 501 2287 Verio, Inc.
4293 458 112 Cable & Wireless USA
3561 405 2341 Cable & Wireless USA
721 388 4422 DLA Systems Automation Center
2548 376 1005 Business Internet, Inc.
3549 368 819 Global Crossing
2149 361 263 Performance Systems, Inc.
4323 357 340 Time Warner Communications, I
577 355 636 Bell Advanced Communications
3741 353 776 The Internet Solution
705 351 71 UUNET Technologies, Inc.
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2249 8106 UUNET Technologies, Inc.
1221 1623 1315 Telstra Pty Ltd
3908 1114 1500 Supernet, Inc.
7018 1061 7201 AT&T
702 898 1937 UUNET Technologies, Inc.
1 874 8638 BBN Planet
7046 793 1006 UUNET Technologies, Inc.
1239 741 3376 Sprint
3967 597 468 Exodus Communication
209 547 2219 Qwest
690 516 81 Merit Network
2914 501 2287 Verio, Inc.
4293 458 112 Cable & Wireless USA
3301 441 937 TeliaNet Sweden
2764 416 374 connect.com.au pty ltd
703 408 372 UUNET Technologies, Inc.
3561 405 2341 Cable & Wireless USA
721 388 4422 DLA Systems Automation Center
2548 376 1005 Business Internet, Inc.
2907 369 1847 SINET Japan
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 63.178.60.0/24 4999 Sprint
65530 PRIVATE 63.178.61.0/24 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
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.
64512 PRIVATE 161.132.234.0/24 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
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 /10:7 /11:12 /12:33
/13:86 /14:226 /15:385 /16:7081 /17:1241 /18:2356
/19:6954 /20:5862 /21:4796 /22:7079 /23:9010 /24:62347
/25:308 /26:327 /27:252 /28:254 /29:151 /30:179
/31:1 /32:59
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1473 1623 Telstra Pty Ltd
701 1425 2249 UUNET Technologies, Inc.
3908 846 1114 Supernet, Inc.
7046 617 793 UUNET Technologies, Inc.
702 614 898 UUNET Technologies, Inc.
7018 558 1061 AT&T
690 513 516 Merit Network
4293 444 458 Cable & Wireless USA
1 421 874 BBN Planet
3967 419 597 Exodus Communication
1239 411 741 Sprint
209 386 547 Qwest
2764 370 416 connect.com.au pty ltd
703 337 408 UUNET Technologies, Inc.
5106 324 343 Ameritech Advanced Data Servi
6995 307 318 Bell Atlantic Internet Soluti
705 305 351 UUNET Technologies, Inc.
11371 301 312 Rhythms NetConnections
4323 300 357 Time Warner Communications, I
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 32:74 38:12
43:3 44:2 53:2 55:1 57:15 61:99
62:189 63:1931 64:1320 65:761 66:468 67:2
80:62 128:50 129:108 130:19 131:51 132:39
133:2 134:139 135:11 136:93 137:92 138:216
139:42 140:195 141:198 142:57 143:39 144:152
145:15 146:145 147:129 148:84 149:87 150:37
151:323 152:372 153:46 154:16 155:85 156:96
157:109 158:74 159:68 160:48 161:60 162:71
163:147 164:100 165:98 166:192 167:151 168:119
169:40 170:280 171:2 192:5606 193:1963 194:2036
195:822 196:452 198:4058 199:3840 200:2538 201:1
202:2810 203:4570 204:3376 205:2204 206:2902 207:2623
208:3155 209:3160 210:557 211:137 212:862 213:517
214:8 215:13 216:3030 217:406 218:2
End of report
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