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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 25 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 107576
Origin ASes present in the Internet Routing Table: 11715
Origin ASes announcing only one prefix: 4326
Transit ASes present in the Internet Routing Table: 1502
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: 78
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: 1222006955
Equivalent to 72 /8s, 214 /16s and 88 /24s
Percentage of available address space announced: 33.0
Percentage of allocated address space announced: 63.5
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 73308
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16260
Prefixes being announced from the APNIC address blocks: 14699
APNIC Region origin ASes present in the Internet Routing Table: 1368
APNIC Region origin ASes announcing only one prefix: 456
APNIC Region transit ASes present in the Internet Routing Table: 228
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 80568915
Equivalent to 4 /8s, 205 /16s and 98 /24s
Percentage of available APNIC address space announced: 79.2
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: 73838
Prefixes being announced from the ARIN address blocks: 53036
ARIN Region origin ASes present in the Internet Routing Table: 7046
ARIN Region origin ASes announcing only one prefix: 2116
ARIN Region transit ASes present in the Internet Routing Table: 699
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 209687105
Equivalent to 12 /8s, 127 /16s and 146 /24s
Percentage of available ARIN address space announced: 78.1
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 - 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: 17473
Prefixes being announced from the RIPE address blocks: 13855
RIPE Region origin ASes present in the Internet Routing Table: 3322
RIPE Region origin ASes announcing only one prefix: 1754
RIPE Region transit ASes present in the Internet Routing Table: 576
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 107639327
Equivalent to 6 /8s, 106 /16s and 114 /24s
Percentage of available RIPE address space announced: 71.3
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 1615 1315 Telstra Pty Ltd
2764 417 358 connect.com.au pty ltd
703 415 373 UUNET Technologies, Inc.
2907 369 1832 SINET Japan
4755 294 161 Videsh Sanchar Nigam Ltd. Aut
7474 242 274 Optus Communications Pty Ltd
4134 238 1800 Data Communications Bureau
7539 211 191 TANet2, sponsored by NSC, TAI
4740 182 39 OzEmail ISP
4766 180 1336 Korea Internet Exchange for "
9443 153 50 Primus Telecommunications
4786 127 17 NetConnect Communications Pty
7545 126 23 TPG Internet Pty Ltd
9768 124 363 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
17557 112 7 Pakistan Telecom
4808 105 192 CHINANET core WAN North
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 881 1963 UUNET Technologies, Inc.
3301 445 935 TeliaNet Sweden
1257 278 514 SWIPnet Swedish IP Network
680 237 2308 DFN-IP service G-WiN
3215 228 515 France Telecom / &Equant
5515 193 687 Sonera Finland Autonomous Sys
3320 186 1940 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 131 560 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 2264 8325 UUNET Technologies, Inc.
7018 1055 7165 AT&T
3908 923 722 Supernet, Inc.
1 879 8638 BBN Planet
7046 815 1006 UUNET Technologies, Inc.
1239 731 3358 Sprint
3967 599 473 Exodus Communication
209 529 2232 Qwest
690 502 80 Merit Network
2914 501 2272 Verio, Inc.
4293 457 112 Cable & Wireless USA
3561 410 2326 Cable & Wireless USA
2548 372 989 Business Internet, Inc.
3549 372 835 Global Crossing
2149 369 247 Performance Systems, Inc.
4323 364 361 Time Warner Communications, I
577 361 635 Bell Advanced Communications
3741 352 768 The Internet Solution
5106 350 200 Ameritech Advanced Data Servi
705 341 52 UUNET Technologies, Inc.
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2264 8325 UUNET Technologies, Inc.
1221 1615 1315 Telstra Pty Ltd
7018 1055 7165 AT&T
3908 923 722 Supernet, Inc.
702 881 1963 UUNET Technologies, Inc.
1 879 8638 BBN Planet
7046 815 1006 UUNET Technologies, Inc.
1239 731 3358 Sprint
3967 599 473 Exodus Communication
209 529 2232 Qwest
690 502 80 Merit Network
2914 501 2272 Verio, Inc.
4293 457 112 Cable & Wireless USA
3301 445 935 TeliaNet Sweden
2764 417 358 connect.com.au pty ltd
703 415 373 UUNET Technologies, Inc.
3561 410 2326 Cable & Wireless USA
2548 372 989 Business Internet, Inc.
3549 372 835 Global Crossing
2149 369 247 Performance Systems, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
22130 UNALLOCATED 4.18.195.0/24 3561 Cable & Wireless USA
22242 UNALLOCATED 12.14.215.0/24 7222 Southwestern Bell In
21048 UNALLOCATED 62.16.96.0/19 3216 SOVAM Teleport, Mosc
65534 PRIVATE 62.23.176.0/24 6675 Colt Telecommunicati
65534 PRIVATE 62.23.177.0/24 6675 Colt Telecommunicati
22299 UNALLOCATED 63.81.99.0/24 701 UUNET Technologies,
22299 UNALLOCATED 63.124.154.0/24 701 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 64.42.40.0/21 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
22091 UNALLOCATED 65.113.20.0/24 209 Qwest
22195 UNALLOCATED 65.116.137.0/24 209 Qwest
22299 UNALLOCATED 65.161.22.0/24 701 UUNET Technologies,
22299 UNALLOCATED 65.161.22.0/23 701 UUNET Technologies,
22299 UNALLOCATED 65.161.23.0/24 701 UUNET Technologies,
22326 UNALLOCATED 65.170.47.0/24 209 Qwest
22313 UNALLOCATED 66.96.52.0/22 7927 Global One Venezuela
21127 UNALLOCATED 80.89.128.0/20 20485 JSC Transtelecom
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
22313 UNALLOCATED 196.27.8.0/22 7927 Global One Venezuela
22284 UNALLOCATED 198.183.146.0/23 701 UUNET Technologies,
22284 UNALLOCATED 198.246.64.0/19 701 UUNET Technologies,
22301 UNALLOCATED 199.171.142.0/24 6517 Yipes Communications
22284 UNALLOCATED 199.244.155.0/24 701 UUNET Technologies,
22284 UNALLOCATED 199.244.156.0/24 701 UUNET Technologies,
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
22313 UNALLOCATED 200.47.150.0/24 7927 Global One Venezuela
22303 UNALLOCATED 204.62.219.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.220.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.221.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.222.0/24 2914 Verio, Inc.
22130 UNALLOCATED 205.180.228.0/24 3561 Cable & Wireless USA
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,
22257 UNALLOCATED 207.176.8.0/21 3491 CAIS Internet
22179 UNALLOCATED 207.190.35.0/24 3549 Global Crossing
22326 UNALLOCATED 208.44.54.0/24 1239 Sprint
22091 UNALLOCATED 208.46.178.0/24 209 Qwest
22130 UNALLOCATED 208.131.122.0/24 3561 Cable & Wireless USA
22299 UNALLOCATED 208.249.71.0/24 701 UUNET Technologies,
22195 UNALLOCATED 208.252.244.0/24 209 Qwest
22259 UNALLOCATED 208.254.175.0/24 701 UUNET Technologies,
65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS
21040 UNALLOCATED 213.196.128.0/18 702 UUNET Technologies,
22313 UNALLOCATED 216.72.155.0/24 7927 Global One Venezuela
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.
22326 UNALLOCATED 216.207.88.0/24 1239 Sprint
22326 UNALLOCATED 216.207.89.0/24 1239 Sprint
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 /8:17 /9:5 /10:6 /11:12 /12:33
/13:86 /14:228 /15:387 /16:6978 /17:1229 /18:2356
/19:6950 /20:5838 /21:4790 /22:7026 /23:8967 /24:61061
/25:321 /26:342 /27:253 /28:256 /29:153 /30:184
/31:1 /32:97
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1465 1615 Telstra Pty Ltd
701 1428 2264 UUNET Technologies, Inc.
3908 772 923 Supernet, Inc.
7046 639 815 UUNET Technologies, Inc.
702 595 881 UUNET Technologies, Inc.
7018 555 1055 AT&T
690 499 502 Merit Network
4293 443 457 Cable & Wireless USA
1 424 879 BBN Planet
3967 419 599 Exodus Communication
1239 405 731 Sprint
2764 372 417 connect.com.au pty ltd
209 367 529 Qwest
703 344 415 UUNET Technologies, Inc.
5106 324 350 Ameritech Advanced Data Servi
6995 308 321 Bell Atlantic Internet Soluti
4323 305 364 Time Warner Communications, I
11371 300 312 Rhythms NetConnections
705 297 341 UUNET Technologies, Inc.
4151 292 334 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 53:2 55:1 57:15 61:88
62:143 63:1949 64:1361 65:730 66:462 67:2
80:51 128:50 129:108 130:19 131:51 132:11
133:2 134:139 135:10 136:90 137:93 138:267
139:45 140:197 141:198 142:56 143:37 144:145
145:13 146:147 147:129 148:132 149:89 150:37
151:323 152:366 153:48 154:16 155:84 156:92
157:117 158:74 159:69 160:48 161:59 162:66
163:151 164:94 165:96 166:190 167:143 168:118
169:40 170:290 171:2 192:5420 193:1952 194:2022
195:815 196:449 198:3654 199:3317 200:2523 201:1
202:2763 203:4580 204:3360 205:2215 206:2903 207:2594
208:3127 209:3139 210:553 211:145 212:852 213:513
214:8 215:13 216:3046 217:392 218:2
End of report
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