Botnet Statistics [2013-05-21]

detection period: 2013-05-21 00:00-23:59 UTC
total number of suspected botnet IPs: 10808
number of botnet IPs notified to network operators: 10490
number of spam blocked: 146976
recipient count of spam blocked: 3280722

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

Rank	Network	# of suspected botnet IPs
1	CHINANET-JS	2185
2	CHINANET-HB	1720
3	UNICOM-HA	1583
4	UNICOM-HB	1061
5	CHINANET-HE	941
6	HINET-NET	539
7	CRTC	326
8	CTTNET	214
9	UNICOM-HN	188
10	CHINANET-GD	138

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	8935
2	Taiwan	546
3	United States	381
4	Brazil	95
5	Russian Federation	65
6	India	52
7	Spain	51
8	Iran	43
9	United Kingdom	43
10	Mexico	39