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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 08 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106724
Origin ASes present in the Internet Routing Table: 11614
Origin ASes announcing only one prefix: 4253
Transit ASes present in the Internet Routing Table: 1504
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 16
Illegal AS announcements present in the Routing Table: 55
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: 1267116012
Equivalent to 75 /8s, 134 /16s and 167 /24s
Percentage of available address space announced: 34.2
Percentage of allocated address space announced: 65.8
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72637
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16237
Prefixes being announced from the APNIC address blocks: 14592
APNIC Region origin ASes present in the Internet Routing Table: 1363
APNIC Region origin ASes announcing only one prefix: 454
APNIC Region transit ASes present in the Internet Routing Table: 226
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 78231961
Equivalent to 4 /8s, 169 /16s and 185 /24s
Percentage of available APNIC address space announced: 76.9
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: 73126
Prefixes being announced from the ARIN address blocks: 52635
ARIN Region origin ASes present in the Internet Routing Table: 6992
ARIN Region origin ASes announcing only one prefix: 2076
ARIN Region transit ASes present in the Internet Routing Table: 702
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 208509987
Equivalent to 12 /8s, 109 /16s and 156 /24s
Percentage of available ARIN address space announced: 77.7
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: 17353
Prefixes being announced from the RIPE address blocks: 13740
RIPE Region origin ASes present in the Internet Routing Table: 3271
RIPE Region origin ASes announcing only one prefix: 1723
RIPE Region transit ASes present in the Internet Routing Table: 578
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 123711275
Equivalent to 7 /8s, 95 /16s and 175 /24s
Percentage of available RIPE address space announced: 81.9
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 1617 1315 Telstra Pty Ltd
2764 430 378 connect.com.au pty ltd
703 428 383 UUNET Technologies, Inc.
2907 367 1816 SINET Japan
4755 292 161 Videsh Sanchar Nigam Ltd. Aut
4766 260 1335 Korea Internet Exchange for "
4134 243 1801 Data Communications Bureau
7474 236 273 Optus Communications Pty Ltd
7539 202 174 TANet2, sponsored by NSC, TAI
4740 186 22 OzEmail ISP
7545 145 25 TPG Internet Pty Ltd
9443 143 39 Primus Telecommunications
4786 127 17 NetConnect Communications Pty
9583 122 62 Satyam Infoway Ltd.,
4763 120 69 Telstra New Zealand
17561 116 167 Internet service provision to
4713 115 868 NTT Communications Corporatio
4812 113 285 China Telecom (Group)
9768 113 362 Korea Telecom
17557 111 7 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 755 1821 UUNET Technologies, Inc.
3301 435 919 TeliaNet Sweden
1257 278 522 SWIPnet Swedish IP Network
680 235 2292 DFN-IP service G-WiN
3215 223 512 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 185 1940 Deutsche Telekom AG
786 184 1890 The JANET IP Service
15870 181 11 Global Center Frankfurt
719 180 291 LANLINK autonomous system
1270 179 773 UUNET Germany
8708 152 16 Romania Data Systems S.A.
15878 142 12 Global Center Paris
5400 135 64 Concert European Core Network
3303 132 576 Swisscom Ltd
2856 125 774 BTnet UK Regional network
5549 125 66 Nextra Deutschland GmbH + Co.
517 115 269 KPNQwest Germany GmbH
1267 104 1990 Infostrada S.p.A.
3269 100 785 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2261 8188 UUNET Technologies, Inc.
7018 1035 7162 AT&T
3908 909 633 Supernet, Inc.
1 872 8611 BBN Planet
7046 799 1008 UUNET Technologies, Inc.
1239 725 3284 Sprint
3967 604 472 Exodus Communication
209 538 2218 Qwest
690 509 81 Merit Network
2914 495 2244 Verio, Inc.
4293 475 114 Cable & Wireless USA
3561 413 2328 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 369 295 Performance Systems, Inc.
3549 366 834 Global Crossing
577 364 634 Bell Advanced Communications
4323 352 343 Time Warner Communications, I
15290 345 338 AT&T Canada IES
6347 334 360 SAVVIS Communications Corpora
4151 333 1234 USDA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2261 8188 UUNET Technologies, Inc.
1221 1617 1315 Telstra Pty Ltd
7018 1035 7162 AT&T
3908 909 633 Supernet, Inc.
1 872 8611 BBN Planet
7046 799 1008 UUNET Technologies, Inc.
702 755 1821 UUNET Technologies, Inc.
1239 725 3284 Sprint
3967 604 472 Exodus Communication
209 538 2218 Qwest
690 509 81 Merit Network
2914 495 2244 Verio, Inc.
4293 475 114 Cable & Wireless USA
3301 435 919 TeliaNet Sweden
2764 430 378 connect.com.au pty ltd
703 428 383 UUNET Technologies, Inc.
3561 413 2328 Cable & Wireless USA
2548 384 982 Business Internet, Inc.
2149 369 295 Performance Systems, Inc.
2907 367 1816 SINET Japan
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 62.23.176.0/24 6675 Colt Telecommunicati
65534 PRIVATE 62.23.177.0/24 6675 Colt Telecommunicati
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
22116 UNALLOCATED 65.209.83.0/24 701 UUNET Technologies,
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
22284 UNALLOCATED 198.183.146.0/23 701 UUNET Technologies,
22284 UNALLOCATED 199.244.155.0/24 701 UUNET Technologies,
6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw
65534 PRIVATE 200.40.20.0/24 6057 Av. Fernandez Crespo
65534 PRIVATE 200.40.23.0/24 6057 Av. Fernandez Crespo
64550 PRIVATE 203.161.39.0/24 17802 Internet AccessFor Q
22284 UNALLOCATED 205.173.0.0/22 701 UUNET Technologies,
22284 UNALLOCATED 205.173.7.0/24 701 UUNET Technologies,
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
22091 UNALLOCATED 208.46.178.0/24 209 Qwest
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
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
82.105.0.0/16 3269 TELECOM ITALIA
82.105.128.0/17 3269 TELECOM ITALIA
128.65.0.0/16 3463 ACES Research Inc
132.0.0.0/10 568 DISO-UNRRA
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
160.89.0.0/16 1800 SPRINT
164.233.0.0/16 6020 DISA NETWORK SERVICES
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 /8:19 /9:7 /10:6 /11:12 /12:32
/13:85 /14:226 /15:381 /16:6959 /17:1232 /18:2341
/19:6925 /20:5763 /21:4708 /22:6964 /23:8835 /24:60512
/25:334 /26:365 /27:302 /28:279 /29:165 /30:193
/31:1 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1468 1617 Telstra Pty Ltd
701 1427 2261 UUNET Technologies, Inc.
3908 760 909 Supernet, Inc.
7046 623 799 UUNET Technologies, Inc.
7018 540 1035 AT&T
690 506 509 Merit Network
702 493 755 UUNET Technologies, Inc.
4293 458 475 Cable & Wireless USA
3967 424 604 Exodus Communication
1 414 872 BBN Planet
1239 403 725 Sprint
2764 383 430 connect.com.au pty ltd
209 378 538 Qwest
703 356 428 UUNET Technologies, Inc.
6995 307 321 Bell Atlantic Internet Soluti
4323 295 352 Time Warner Communications, I
4151 291 333 USDA
11371 288 300 Rhythms NetConnections
2548 278 384 Business Internet, Inc.
5106 276 293 Ameritech Advanced Data Servi
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:1 12:408 13:10 15:1 17:6 20:1
24:779 26:1 32:72 38:8 43:3 44:2
53:2 55:1 57:15 61:69 62:134 63:1910
64:1336 65:667 66:456 80:43 128:47 129:118
130:16 131:42 132:12 133:1 134:136 135:10
136:22 137:93 138:203 139:45 140:196 141:195
142:61 143:39 144:139 145:11 146:145 147:131
148:231 149:90 150:36 151:208 152:385 153:31
154:21 155:79 156:85 157:118 158:73 159:66
160:44 161:58 162:67 163:143 164:136 165:98
166:188 167:141 168:120 169:37 170:286 171:2
192:5403 193:1952 194:2040 195:834 196:415 198:3672
199:3283 200:2541 201:1 202:2697 203:4608 204:3311
205:2247 206:2861 207:2586 208:3075 209:3215 210:523
211:130 212:824 213:478 214:8 215:14 216:3069
217:393 218:2
End of report
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