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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 11 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106715
Origin ASes present in the Internet Routing Table: 11628
Origin ASes announcing only one prefix: 4267
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: 17
Illegal AS announcements present in the Routing Table: 68
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: 1266945805
Equivalent to 75 /8s, 132 /16s and 15 /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: 72626
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16327
Prefixes being announced from the APNIC address blocks: 14671
APNIC Region origin ASes present in the Internet Routing Table: 1364
APNIC Region origin ASes announcing only one prefix: 451
APNIC Region transit ASes present in the Internet Routing Table: 225
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 78298905
Equivalent to 4 /8s, 170 /16s and 191 /24s
Percentage of available APNIC address space announced: 77.0
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: 73020
Prefixes being announced from the ARIN address blocks: 52539
ARIN Region origin ASes present in the Internet Routing Table: 7005
ARIN Region origin ASes announcing only one prefix: 2089
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: 17
Number of ARIN addresses announced to Internet: 208427928
Equivalent to 12 /8s, 108 /16s and 91 /24s
Percentage of available ARIN address space announced: 77.6
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: 17360
Prefixes being announced from the RIPE address blocks: 13742
RIPE Region origin ASes present in the Internet Routing Table: 3279
RIPE Region origin ASes announcing only one prefix: 1727
RIPE Region transit ASes present in the Internet Routing Table: 582
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 123856699
Equivalent to 7 /8s, 97 /16s and 231 /24s
Percentage of available RIPE address space announced: 82.0
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 1611 1315 Telstra Pty Ltd
703 428 383 UUNET Technologies, Inc.
2764 426 377 connect.com.au pty ltd
2907 368 1816 SINET Japan
4755 293 159 Videsh Sanchar Nigam Ltd. Aut
4766 260 1335 Korea Internet Exchange for "
4134 243 1801 Data Communications Bureau
7474 237 273 Optus Communications Pty Ltd
7539 213 199 TANet2, sponsored by NSC, TAI
4740 188 22 OzEmail ISP
7545 146 25 TPG Internet Pty Ltd
9443 143 39 Primus Telecommunications
4786 127 17 NetConnect Communications Pty
9583 124 62 Satyam Infoway Ltd.,
4763 120 69 Telstra New Zealand
9768 119 362 Korea Telecom
17557 116 8 Pakistan Telecom
17561 116 167 Internet service provision to
4713 115 868 NTT Communications Corporatio
4812 114 289 China Telecom (Group)
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 757 1805 UUNET Technologies, Inc.
3301 437 919 TeliaNet Sweden
1257 277 522 SWIPnet Swedish IP Network
680 236 2292 DFN-IP service G-WiN
3215 225 515 France Telecom / &Equant
5515 188 687 Sonera Finland Autonomous Sys
3320 185 1940 Deutsche Telekom AG
786 184 1890 The JANET IP Service
719 180 291 LANLINK autonomous system
1270 180 772 UUNET Germany
15870 180 11 Global Center Frankfurt
8708 153 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 126 774 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 100 784 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2249 8203 UUNET Technologies, Inc.
7018 1038 7195 AT&T
3908 920 640 Supernet, Inc.
1 875 8621 BBN Planet
7046 798 1006 UUNET Technologies, Inc.
1239 724 3245 Sprint
3967 600 472 Exodus Communication
209 536 2217 Qwest
690 502 80 Merit Network
2914 495 2244 Verio, Inc.
4293 474 114 Cable & Wireless USA
3561 414 2344 Cable & Wireless USA
2548 384 974 Business Internet, Inc.
3549 367 835 Global Crossing
2149 366 263 Performance Systems, Inc.
577 364 634 Bell Advanced Communications
4323 353 344 Time Warner Communications, I
15290 346 338 AT&T Canada IES
6347 333 360 SAVVIS Communications Corpora
4151 331 1234 USDA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2249 8203 UUNET Technologies, Inc.
1221 1611 1315 Telstra Pty Ltd
7018 1038 7195 AT&T
3908 920 640 Supernet, Inc.
1 875 8621 BBN Planet
7046 798 1006 UUNET Technologies, Inc.
702 757 1805 UUNET Technologies, Inc.
1239 724 3245 Sprint
3967 600 472 Exodus Communication
209 536 2217 Qwest
690 502 80 Merit Network
2914 495 2244 Verio, Inc.
4293 474 114 Cable & Wireless USA
3301 437 919 TeliaNet Sweden
703 428 383 UUNET Technologies, Inc.
2764 426 377 connect.com.au pty ltd
3561 414 2344 Cable & Wireless USA
2548 384 974 Business Internet, Inc.
2907 368 1816 SINET Japan
3549 367 835 Global Crossing
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
22242 UNALLOCATED 12.14.215.0/24 7222 Southwestern Bell In
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
22299 UNALLOCATED 65.161.22.0/24 701 UUNET Technologies,
22299 UNALLOCATED 65.161.23.0/24 701 UUNET Technologies,
22116 UNALLOCATED 65.209.83.0/24 701 UUNET Technologies,
22313 UNALLOCATED 66.96.52.0/22 7927 Global One Venezuela
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,
22301 UNALLOCATED 199.171.142.0/24 6517 Yipes Communications
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
22313 UNALLOCATED 200.47.150.0/24 7927 Global One Venezuela
64550 PRIVATE 203.161.39.0/24 17802 Internet AccessFor Q
22303 UNALLOCATED 204.62.220.0/24 2914 Verio, Inc.
22303 UNALLOCATED 204.62.221.0/24 2914 Verio, Inc.
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
22179 UNALLOCATED 207.190.35.0/24 3549 Global Crossing
22091 UNALLOCATED 208.46.178.0/24 209 Qwest
22130 UNALLOCATED 208.131.122.0/24 3561 Cable & Wireless USA
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.
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 /15:382 /16:6950 /17:1235 /18:2346
/19:6931 /20:5775 /21:4712 /22:6972 /23:8850 /24:60456
/25:336 /26:366 /27:300 /28:282 /29:164 /30:191
/31:1 /32:79
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1462 1611 Telstra Pty Ltd
701 1414 2249 UUNET Technologies, Inc.
3908 769 920 Supernet, Inc.
7046 624 798 UUNET Technologies, Inc.
7018 541 1038 AT&T
690 499 502 Merit Network
702 496 757 UUNET Technologies, Inc.
4293 457 474 Cable & Wireless USA
3967 421 600 Exodus Communication
1 415 875 BBN Planet
1239 405 724 Sprint
2764 379 426 connect.com.au pty ltd
209 377 536 Qwest
703 356 428 UUNET Technologies, Inc.
6995 307 321 Bell Atlantic Internet Soluti
4323 296 353 Time Warner Communications, I
11371 294 306 Rhythms NetConnections
4151 289 331 USDA
2548 278 384 Business Internet, Inc.
5106 277 294 Ameritech Advanced Data Servi
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:1 12:405 13:10 15:1 17:6 20:1
24:778 26:1 32:72 38:8 43:3 44:2
53:2 55:1 57:15 61:70 62:136 63:1920
64:1345 65:668 66:458 80:46 128:47 129:118
130:17 131:42 132:11 133:1 134:136 135:12
136:22 137:93 138:204 139:46 140:199 141:195
142:62 143:39 144:140 145:12 146:145 147:123
148:231 149:90 150:36 151:208 152:383 153:33
154:21 155:79 156:87 157:118 158:73 159:66
160:46 161:59 162:67 163:143 164:140 165:97
166:188 167:141 168:120 169:37 170:288 171:2
192:5382 193:1944 194:2037 195:840 196:415 198:3676
199:3276 200:2528 201:1 202:2727 203:4624 204:3309
205:2231 206:2850 207:2562 208:3080 209:3152 210:535
211:129 212:826 213:479 214:8 215:14 216:3073
217:390 218:2
End of report
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