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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 12 Sep, 2001
Analysis Summary
----------------
BGP routing table entries examined: 106530
Origin ASes present in the Internet Routing Table: 11632
Origin ASes announcing only one prefix: 4270
Transit ASes present in the Internet Routing Table: 1501
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: 62
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: 1263606586
Equivalent to 75 /8s, 81 /16s and 27 /24s
Percentage of available address space announced: 34.1
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 51.9
Total number of prefixes smaller than registry allocations: 72549
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 16284
Prefixes being announced from the APNIC address blocks: 14630
APNIC Region origin ASes present in the Internet Routing Table: 1365
APNIC Region origin ASes announcing only one prefix: 452
APNIC Region transit ASes present in the Internet Routing Table: 223
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 78310417
Equivalent to 4 /8s, 170 /16s and 236 /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: 72943
Prefixes being announced from the ARIN address blocks: 52483
ARIN Region origin ASes present in the Internet Routing Table: 7007
ARIN Region origin ASes announcing only one prefix: 2091
ARIN Region transit ASes present in the Internet Routing Table: 701
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 208265005
Equivalent to 12 /8s, 105 /16s and 223 /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: 17296
Prefixes being announced from the RIPE address blocks: 13745
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: 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: 123687515
Equivalent to 7 /8s, 95 /16s and 82 /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 1612 1315 Telstra Pty Ltd
703 426 376 UUNET Technologies, Inc.
2764 423 377 connect.com.au pty ltd
2907 365 1816 SINET Japan
4755 291 159 Videsh Sanchar Nigam Ltd. Aut
4134 242 1799 Data Communications Bureau
7474 238 273 Optus Communications Pty Ltd
7539 214 199 TANet2, sponsored by NSC, TAI
4740 188 22 OzEmail ISP
4766 178 1334 Korea Internet Exchange for "
7545 146 25 TPG Internet Pty Ltd
9443 144 39 Primus Telecommunications
4786 127 17 NetConnect Communications Pty
9583 122 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 114 852 NTT Communications Corporatio
4812 114 289 China Telecom (Group)
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 773 1822 UUNET Technologies, Inc.
3301 437 919 TeliaNet Sweden
1257 277 522 SWIPnet Swedish IP Network
680 235 2292 DFN-IP service G-WiN
3215 225 515 France Telecom / &Equant
5515 194 688 Sonera Finland Autonomous Sys
3320 185 1940 Deutsche Telekom AG
786 184 1890 The JANET IP Service
719 180 291 LANLINK autonomous system
15870 180 11 Global Center Frankfurt
1270 170 755 UUNET Germany
8708 151 16 Romania Data Systems S.A.
15878 138 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 2232 8147 UUNET Technologies, Inc.
7018 1037 7162 AT&T
3908 921 625 Supernet, Inc.
1 874 8637 BBN Planet
7046 790 989 UUNET Technologies, Inc.
1239 724 3246 Sprint
3967 600 472 Exodus Communication
209 532 2232 Qwest
690 503 96 Merit Network
2914 495 2244 Verio, Inc.
4293 472 114 Cable & Wireless USA
3561 407 2325 Cable & Wireless USA
2548 384 974 Business Internet, Inc.
3549 368 835 Global Crossing
2149 363 262 Performance Systems, Inc.
577 359 634 Bell Advanced Communications
4323 356 344 Time Warner Communications, I
15290 346 338 AT&T Canada IES
6347 333 360 SAVVIS Communications Corpora
4151 332 1234 USDA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2232 8147 UUNET Technologies, Inc.
1221 1612 1315 Telstra Pty Ltd
7018 1037 7162 AT&T
3908 921 625 Supernet, Inc.
1 874 8637 BBN Planet
7046 790 989 UUNET Technologies, Inc.
702 773 1822 UUNET Technologies, Inc.
1239 724 3246 Sprint
3967 600 472 Exodus Communication
209 532 2232 Qwest
690 503 96 Merit Network
2914 495 2244 Verio, Inc.
4293 472 114 Cable & Wireless USA
3301 437 919 TeliaNet Sweden
703 426 376 UUNET Technologies, Inc.
2764 423 377 connect.com.au pty ltd
3561 407 2325 Cable & Wireless USA
2548 384 974 Business Internet, Inc.
3549 368 835 Global Crossing
2907 365 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,
22116 UNALLOCATED 65.209.83.0/24 701 UUNET Technologies,
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,
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
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,
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
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 /8:19 /9:7 /10:6 /11:12 /12:32
/13:85 /14:226 /15:380 /16:6906 /17:1232 /18:2343
/19:6924 /20:5778 /21:4718 /22:6968 /23:8867 /24:60398
/25:335 /26:346 /27:260 /28:265 /29:157 /30:189
/31:1 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
1221 1463 1612 Telstra Pty Ltd
701 1406 2232 UUNET Technologies, Inc.
3908 771 921 Supernet, Inc.
7046 619 790 UUNET Technologies, Inc.
7018 542 1037 AT&T
702 509 773 UUNET Technologies, Inc.
690 499 503 Merit Network
4293 455 472 Cable & Wireless USA
3967 421 600 Exodus Communication
1 415 874 BBN Planet
1239 404 724 Sprint
2764 376 423 connect.com.au pty ltd
209 373 532 Qwest
703 355 426 UUNET Technologies, Inc.
6995 306 320 Bell Atlantic Internet Soluti
4323 299 356 Time Warner Communications, I
4151 290 332 USDA
705 287 330 UUNET Technologies, Inc.
11371 286 299 Rhythms NetConnections
5106 281 298 Ameritech Advanced Data Servi
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:1 12:403 13:10 15:1 17:6 20:1
24:781 26:1 32:72 38:9 43:3 44:2
53:2 55:1 57:15 61:71 62:136 63:1919
64:1347 65:681 66:466 80:46 128:46 129:119
130:17 131:42 132:11 133:1 134:138 135:10
136:22 137:93 138:202 139:46 140:198 141:195
142:55 143:39 144:140 145:12 146:144 147:130
148:231 149:90 150:36 151:207 152:386 153:33
154:21 155:78 156:87 157:119 158:73 159:65
160:46 161:59 162:67 163:145 164:139 165:97
166:188 167:143 168:117 169:37 170:287 171:2
192:5363 193:1939 194:2038 195:844 196:409 198:3658
199:3261 200:2517 201:1 202:2734 203:4634 204:3300
205:2222 206:2849 207:2566 208:3083 209:3146 210:540
211:131 212:809 213:492 214:8 215:14 216:3056
217:395 218:2
End of report
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