Botnet Statistics [2013-05-20]

detection period: 2013-05-20 00:00-23:59 UTC
total number of suspected botnet IPs: 10776
number of botnet IPs notified to network operators: 10355
number of spam blocked: 103856
recipient count of spam blocked: 3618389

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	1925
2	CHINANET-HB	1497
3	UNICOM-HA	1429
4	UNICOM-HB	1374
5	CHINANET-HE	1016
6	HINET-NET	534
7	CTTNET	191
8	UNICOM-GD	170
9	CHINANET-GD	152
10	CRTC	145

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	8744
2	Taiwan	552
3	United States	350
4	Brazil	103
5	Russian Federation	87
6	India	80
7	Iran	58
8	United Kingdom	44
9	Spain	41
10	South Korea	39