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Friday, September 25, 2009

Botnet Statistics [2009-09-24]

detection period: 2009-09-24 00:00-23:59 UTC
total number of suspected botnet IPs: 1102
number of botnet IPs notified to network operators: 931

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

RankNetwork# of suspected botnet IPs
1HINET-NET336
2CHINANET-GD195
3002.558.157/0001-6228
4CHINANET-ZJ-WZ26
5BSNLNET21
6UNICOM-SD19
7AR-TEAR7-LACNIC16
8CHINANET-JS13
9TFN-NET9
10000.065.376/0002-659


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
1China371
2Taiwan353
3Brazil89
4India44
5Argentina35
6Russian Federation34
7Indonesia17
8Colombia17
9United States15
10Thailand10



The dramatic drop of suspected botnet IPs was a result of the disk problem of my botnet detection system during the day.

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