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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 13 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106632
Origin ASes present in the Internet Routing Table: 11627
Origin ASes announcing only one prefix: 4273
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: 16
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: 1251780830
Equivalent to 74 /8s, 156 /16s and 168 /24s
Percentage of available address space announced: 33.8
Percentage of allocated address space announced: 65.0
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72533
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16396
Prefixes being announced from the APNIC address blocks: 14732
APNIC Region origin ASes present in the Internet Routing Table: 1369
APNIC Region origin ASes announcing only one prefix: 453
APNIC Region transit ASes present in the Internet Routing Table: 225
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 80343765
Equivalent to 4 /8s, 201 /16s and 242 /24s
Percentage of available APNIC address space announced: 79.0
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: 72908
Prefixes being announced from the ARIN address blocks: 52463
ARIN Region origin ASes present in the Internet Routing Table: 6993
ARIN Region origin ASes announcing only one prefix: 2090
ARIN Region transit ASes present in the Internet Routing Table: 698
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 208608285
Equivalent to 12 /8s, 111 /16s and 28 /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: 17322
Prefixes being announced from the RIPE address blocks: 13710
RIPE Region origin ASes present in the Internet Routing Table: 3284
RIPE Region origin ASes announcing only one prefix: 1730
RIPE Region transit ASes present in the Internet Routing Table: 579
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 15
Number of RIPE addresses announced to Internet: 107016283
Equivalent to 6 /8s, 96 /16s and 240 /24s
Percentage of available RIPE address space announced: 70.9
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 1611 1315 Telstra Pty Ltd
703 427 376 UUNET Technologies, Inc.
2764 423 377 connect.com.au pty ltd
2907 367 1816 SINET Japan
4755 292 159 Videsh Sanchar Nigam Ltd. Aut
4134 242 1799 Data Communications Bureau
7474 240 273 Optus Communications Pty Ltd
7539 214 199 TANet2, sponsored by NSC, TAI
4740 189 39 OzEmail ISP
4766 179 1336 Korea Internet Exchange for "
7545 146 25 TPG Internet Pty Ltd
9443 144 39 Primus Telecommunications
4786 127 17 NetConnect Communications Pty
9583 123 62 Satyam Infoway Ltd.,
17557 122 8 Pakistan Telecom
4763 120 69 Telstra New Zealand
9768 119 362 Korea Telecom
4713 116 884 NTT Communications Corporatio
17561 116 167 Internet service provision to
4812 114 289 China Telecom (Group)
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 775 1822 UUNET Technologies, Inc.
3301 438 919 TeliaNet Sweden
1257 278 522 SWIPnet Swedish IP Network
680 236 2292 DFN-IP service G-WiN
3215 226 515 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 185 1940 Deutsche Telekom AG
786 184 1890 The JANET IP Service
15870 180 11 Global Center Frankfurt
1270 170 755 UUNET Germany
8708 154 16 Romania Data Systems S.A.
15878 138 12 Global Center Paris
719 137 288 LANLINK autonomous system
5400 135 64 Concert European Core Network
3303 132 576 Swisscom Ltd
2856 126 774 BTnet UK Regional network
5549 124 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 2213 8143 UUNET Technologies, Inc.
7018 1035 7162 AT&T
3908 922 625 Supernet, Inc.
1 875 8636 BBN Planet
7046 787 972 UUNET Technologies, Inc.
1239 722 3230 Sprint
3967 600 472 Exodus Communication
209 530 2232 Qwest
2914 495 2244 Verio, Inc.
690 476 93 Merit Network
4293 471 114 Cable & Wireless USA
3561 406 2325 Cable & Wireless USA
2548 370 973 Business Internet, Inc.
3549 368 835 Global Crossing
2149 366 263 Performance Systems, Inc.
577 359 634 Bell Advanced Communications
4323 356 344 Time Warner Communications, I
15290 346 338 AT&T Canada IES
705 333 54 UUNET Technologies, Inc.
6347 333 360 SAVVIS Communications Corpora
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2213 8143 UUNET Technologies, Inc.
1221 1611 1315 Telstra Pty Ltd
7018 1035 7162 AT&T
3908 922 625 Supernet, Inc.
1 875 8636 BBN Planet
7046 787 972 UUNET Technologies, Inc.
702 775 1822 UUNET Technologies, Inc.
1239 722 3230 Sprint
3967 600 472 Exodus Communication
209 530 2232 Qwest
2914 495 2244 Verio, Inc.
690 476 93 Merit Network
4293 471 114 Cable & Wireless USA
3301 438 919 TeliaNet Sweden
703 427 376 UUNET Technologies, Inc.
2764 423 377 connect.com.au pty ltd
3561 406 2325 Cable & Wireless USA
2548 370 973 Business Internet, Inc.
3549 368 835 Global Crossing
2907 367 1816 SINET Japan
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,
22326 UNALLOCATED 65.170.47.0/24 1239 Sprint
22313 UNALLOCATED 66.96.52.0/22 7927 Global One Venezuela
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
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
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
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
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
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
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 /9:7 /10:6 /11:12 /12:32
/13:85 /14:227 /15:383 /16:6969 /17:1233 /18:2347
/19:6931 /20:5778 /21:4725 /22:6963 /23:8870 /24:60395
/25:341 /26:359 /27:264 /28:263 /29:157 /30:190
/31:1 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1462 1611 Telstra Pty Ltd
701 1393 2213 UUNET Technologies, Inc.
3908 772 922 Supernet, Inc.
7046 617 787 UUNET Technologies, Inc.
7018 540 1035 AT&T
702 511 775 UUNET Technologies, Inc.
690 472 476 Merit Network
4293 454 471 Cable & Wireless USA
3967 421 600 Exodus Communication
1 417 875 BBN Planet
1239 405 722 Sprint
2764 376 423 connect.com.au pty ltd
209 371 530 Qwest
703 356 427 UUNET Technologies, Inc.
6995 307 321 Bell Atlantic Internet Soluti
4323 299 356 Time Warner Communications, I
11371 294 307 Rhythms NetConnections
705 290 333 UUNET Technologies, Inc.
4151 289 331 USDA
5106 281 298 Ameritech Advanced Data Servi
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 9:1 12:404 13:10 15:1 17:6
20:1 24:782 26:1 32:72 38:10 43:4
44:2 53:2 55:1 57:15 61:71 62:135
63:1906 64:1346 65:692 66:474 80:43 128:50
129:119 130:17 131:42 132:11 133:1 134:139
135:10 136:21 137:93 138:202 139:46 140:198
141:197 142:55 143:39 144:140 145:12 146:142
147:130 148:231 149:88 150:36 151:208 152:383
153:33 154:21 155:78 156:89 157:121 158:72
159:65 160:45 161:59 162:63 163:142 164:139
165:97 166:186 167:141 168:116 169:37 170:287
171:2 192:5402 193:1954 194:2005 195:834 196:414
198:3654 199:3259 200:2517 201:1 202:2757 203:4625
204:3302 205:2217 206:2840 207:2554 208:3061 209:3145
210:549 211:136 212:806 213:497 214:8 215:13
216:3065 217:391 218:2
End of report
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