Botnet Statistics [2013-07-21]

detection period: 2013-07-21 00:00-23:59 UTC
total number of suspected botnet IPs: 3771
number of botnet IPs notified to network operators: 3557
number of spam blocked: 116956
recipient count of spam blocked: 2659608

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

Rank	Network	# of suspected botnet IPs
1	HINET-NET	972
2	AMAZON-2011L	309
3	CRTC	286
4	CTTNET	250
5	CHINANET-JS	214
6	UNICOM-GD	203
7	CHINANET-GD	125
8	CHINANET-HN	66
9	SHENZHEN-CNC	56
10	AMAZON-EC2-8	53

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

Rank	Country	# of suspected botnet IPs
1	China	1535
2	Taiwan	980
3	United States	589
4	Brazil	54
5	Argentina	46
6	Iran	40
7	Russian Federation	36
8	Colombia	33
9	India	32
10	Peru	30