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Friday, April 22, 2011

Botnet Statistics [2011-04-21]

detection period: 2011-04-21 00:00-23:59 UTC
total number of suspected botnet IPs: 3358
number of botnet IPs notified to network operators: 2538
number of blocked spams: 96179
recipient count of blocked spams: 3310286

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

RankNetwork# of suspected botnet IPs
1UNICOM-HA408
2CTTNET253
3HINET-NET170
4BSNLNET161
5CHINANET-GD139
6KORNET-KR54
7UKRTELNET52
8UNICOM-GD48
9BHARTI-IN44
10CHINANET-JS37

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
1China1100
2India384
3Russian Federation322
4Taiwan190
5Brazil179
6Ukraine163
7South Korea108
8Indonesia69
9United States67
10Poland45

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