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[bgp-stats] Routing Table Report
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 06 Jun, 2001
Analysis Summary
----------------
BGP routing table entries examined: 107372
Origin ASes present in the Internet Routing Table: 11016
Origin ASes announcing only one prefix: 4007
Transit ASes present in the Internet Routing Table: 1456
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: 35
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 17
Number of addresses announced to Internet: 1234663363
Equivalent to 73 /8s, 151 /16s and 119 /24s
Percentage of available address space announced: 33.3
Percentage of allocated address space announced: 64.7
Percentage of available address space allocated: 51.5
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 15524
Prefixes being announced from the APNIC address blocks: 14040
APNIC Region origin ASes present in the Internet Routing Table: 1273
APNIC Region origin ASes announcing only one prefix: 452
APNIC Region transit ASes present in the Internet Routing Table: 211
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 69780901
Equivalent to 4 /8s, 40 /16s and 197 /24s
Percentage of available APNIC address space announced: 68.6
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: 74903
Prefixes being announced from the ARIN address blocks: 53337
ARIN Region origin ASes present in the Internet Routing Table: 6700
ARIN Region origin ASes announcing only one prefix: 1980
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: 12
Number of ARIN addresses announced to Internet: 199234914
Equivalent to 11 /8s, 224 /16s and 21 /24s
Percentage of available ARIN address space announced: 79.2
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, 199/8, 200/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 16926
Prefixes being announced from the RIPE address blocks: 13030
RIPE Region origin ASes present in the Internet Routing Table: 3051
RIPE Region origin ASes announcing only one prefix: 1575
RIPE Region transit ASes present in the Internet Routing Table: 548
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 99214778
Equivalent to 5 /8s, 233 /16s and 229 /24s
Percentage of available RIPE address space announced: 65.7
RIPE AS Blocks 1877 - 1901, 2042, 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 1730 1329 Telstra
2764 434 328 connect.com.au pty ltd
2907 368 1799 SINET Japan
703 351 394 UUNET Technologies, Inc.
4755 339 221 VSNL India
7539 222 195 TANet2, sponsored by NSC, TAI
4134 203 1389 Data Communications Bureau
7474 194 171 Optus Communications
4766 173 1258 KORnet Powered BY Korea Telec
4740 158 21 Ozemail
7657 153 25 The Internet Group Limited
1237 152 140 System Engineering Research I
17561 151 137 Internet service provision to
7545 149 21 TPG Internet Pty Ltd
9443 131 47 INTERNETPRIMUS-AS-A
4786 127 15 NetConnect Communications Pty
7586 116 18 Paradox Digital Pty. Ltd
4763 115 85 Telstra New Zealand
7617 115 91 One.Net Pty Ltd
9583 110 61 Satyam Infoway Ltd.,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
702 659 1772 UUNET Technologies, Inc.
15870 438 7 Global Center Frankfurt
3301 403 915 TeliaNet Sweden
1257 284 504 Swipnet AB
1270 265 864 UUNET Germany
680 229 2039 Deutschef Forschurgsnetz
15878 216 8 Global Center Paris
3215 214 479 RAIN
719 186 291 LANLINK
786 185 1904 JANET IP Service
5515 176 654 Sonera Finland
3320 164 1410 Deutsche Telekom AG
5400 136 67 Concert Internet Plus Europea
8708 133 14 Romania Data System
517 129 273 Xlink
3303 129 592 Swisscom
2856 116 775 BTnet UK Regional network
1267 99 1954 IUnet S.p.A
1290 97 406 PSINet UK Ltd.
3269 90 568 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv Description
701 2433 7942 UUNET Technologies, Inc.
7018 1670 7006 AT&T
705 1516 131 UUNET Technologies, Inc.
1 924 8857 BBN Planet
7046 790 1129 UUNET Technologies, Inc.
3491 676 392 CAIS Internet
1239 667 3223 Sprint ICM-Inria
2914 560 2334 Verio, Inc.
3561 544 2433 Cable & Wireless USA
4293 498 101 Cable & Wireless USA
690 484 83 Merit Network
18994 472 11 Global Crossing
209 463 1829 Qwest
2149 413 489 Performance Systems, Inc.
2548 406 997 Digital Express Group, Inc.
3908 394 533 Supernet, Inc.
3549 342 1063 Global Crossing
5106 340 133 Ameritech Advanced Data Servi
11371 335 100 Rhythms NetConnections
3967 334 454 Exodus Communication
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv Description
701 2433 7942 UUNET Technologies, Inc.
1221 1730 1329 Telstra
7018 1670 7006 AT&T
705 1516 131 UUNET Technologies, Inc.
1 924 8857 BBN Planet
7046 790 1129 UUNET Technologies, Inc.
3491 676 392 CAIS Internet
1239 667 3223 Sprint ICM-Inria
702 659 1772 UUNET Technologies, Inc.
2914 560 2334 Verio, Inc.
3561 544 2433 Cable & Wireless USA
4293 498 101 Cable & Wireless USA
690 484 83 Merit Network
18994 472 11 Global Crossing
209 463 1829 Qwest
15870 438 7 Global Center Frankfurt
2764 434 328 connect.com.au pty ltd
2149 413 489 Performance Systems, Inc.
2548 406 997 Digital Express Group, Inc.
3301 403 915 TeliaNet Sweden
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65530 PRIVATE 63.188.0.0/20 4999 Sprint
65530 PRIVATE 63.188.0.0/18 4999 Sprint
65530 PRIVATE 63.188.16.0/20 4999 Sprint
65530 PRIVATE 63.188.32.0/20 4999 Sprint
65530 PRIVATE 63.188.48.0/20 4999 Sprint
65530 PRIVATE 63.188.64.0/20 4999 Sprint
65530 PRIVATE 63.188.64.0/18 4999 Sprint
65530 PRIVATE 63.188.80.0/20 4999 Sprint
65530 PRIVATE 63.188.96.0/20 4999 Sprint
65530 PRIVATE 63.188.112.0/20 4999 Sprint
65530 PRIVATE 63.188.128.0/20 4999 Sprint
65530 PRIVATE 63.188.128.0/18 4999 Sprint
65530 PRIVATE 63.188.144.0/20 4999 Sprint
65530 PRIVATE 63.188.160.0/20 4999 Sprint
65530 PRIVATE 63.188.176.0/20 4999 Sprint
60002 RESERVED 64.76.148.0/24 19583 IMPSAT CHILE S.A.
578 UNALLOCATED 64.230.243.96/27 577 Bell Canada
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
1877 UNALLOCATED 192.108.196.0/24 1800 SPRINT
1877 UNALLOCATED 192.108.209.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.210.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.214.0/24 1800 SPRINT
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
65000 PRIVATE 198.208.54.0/24 7046 UUNET Technologies,
65000 PRIVATE 198.208.187.0/24 7046 UUNET Technologies,
9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
9700 UNALLOCATED 203.255.208.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.209.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.210.0/24 3786 DACOM Corporation
9700 UNALLOCATED 203.255.211.0/24 3786 DACOM Corporation
5555 UNALLOCATED 205.110.64.0/24 721 DLA Systems Automati
5555 UNALLOCATED 205.110.68.0/22 721 DLA Systems Automati
5555 UNALLOCATED 205.110.72.0/21 721 DLA Systems Automati
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
128.65.0.0/16 3463 ACES Research Inc
128.199.0.0/16 5519 GX Networks (former
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 7170 AT&T Government Markets
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 BBN Planet
139.157.0.0/16 5515 Sonera Finland
144.7.0.0/16 701 UUNET Technologies, Inc.
146.104.0.0/16 1136 SURFnet BV
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
172.32.1.0/25 1221 Telstra
172.122.0.0/16 701 UUNET Technologies, Inc.
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 /8:20 /9:5 /10:6 /11:9 /12:32
/13:77 /14:207 /15:345 /16:6907 /17:1176 /18:2167
/19:6693 /20:5239 /21:4545 /22:6844 /23:8779 /24:61877
/25:277 /26:444 /27:477 /28:489 /29:379 /30:320
/31:1 /32:57
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:1 9:3 12:706 13:10 15:1 17:6
24:667 26:1 32:108 38:572 44:3 47:1
53:2 55:1 57:13 61:48 62:130 63:1962
64:1676 65:1097 66:342 80:2 128:39 129:163
130:23 131:39 132:9 133:1 134:171 135:11
136:16 137:122 138:249 139:44 140:140 141:158
142:68 143:41 144:136 145:9 146:142 147:136
148:97 149:121 150:36 151:299 152:563 153:32
154:23 155:78 156:58 157:110 158:183 159:75
160:27 161:54 162:68 163:133 164:97 165:129
166:205 167:141 168:96 169:35 170:246 171:2
192:5441 193:1858 194:2037 195:762 196:422 198:3633
199:3369 200:2112 201:1 202:2506 203:4868 204:3359
205:2284 206:2845 207:2946 208:3049 209:3170 210:553
211:115 212:830 213:406 214:9 215:11 216:3047
217:267
End of report
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