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Tuesday, March 23, 2010

Botnet Statistics [2010-03-22]

detection period: 2010-03-22 00:00-23:59 UTC
total number of suspected botnet IPs: 3824
number of botnet IPs notified to network operators: 3442
number of blocked spams: 160235
recipient count of blocked spams: 2625363

The top 10 networks (as found in WHOIS), ordered by number of suspected botnet IPs are:

RankNetwork# of suspected botnet IPs
1HINET-NET1152
2CHINANET-GD545
3BSNLNET309
4RITELE213
5002.558.157/0001-6297
6AR-TEAR7-LACNIC65
7RCOM50
8000.065.376/0002-6542
9TATACOMM-IN40
10UNICOM-SD38

The top 10 countries (as defined by the 2-character country code), ordered by number of suspected botnet IPs are:

RankCountry# of suspected botnet IPs
1Taiwan1166
2China1094
3India488
4Brazil319
5United States173
6Argentina114
7Russian Federation86
8Thailand25
9Indonesia23
10Colombia22

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