Botnet Statistics [2013-05-27]

detection period: 2013-05-27 00:00-23:59 UTC
total number of suspected botnet IPs: 11540
number of botnet IPs notified to network operators: 11064
number of spam blocked: 83844
recipient count of spam blocked: 2845040

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

Rank	Network	# of suspected botnet IPs
1	UNICOM-HA	2142
2	CHINANET-JS	1929
3	CHINANET-HB	1821
4	UNICOM-HB	1130
5	CHINANET-HE	804
6	HINET-NET	615
7	CHINANET-HA	374
8	UNICOM-HN	250
9	CHINANET-GD	200
10	CTTNET	187

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	9487
2	Taiwan	638
3	United States	259
4	India	120
5	Brazil	96
6	Russian Federation	69
7	Peru	49
8	Ukraine	46
9	Mexico	42
10	Kazakhstan	42