Botnet Statistics [2013-06-01]

detection period: 2013-06-01 00:00-23:59 UTC
total number of suspected botnet IPs: 4335
number of botnet IPs notified to network operators: 4088
number of spam blocked: 82661
recipient count of spam blocked: 2953202

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	632
2	UNICOM-HB	553
3	UNICOM-HA	527
4	CHINANET-HB	414
5	UNICOM-HN	237
6	CHINANET-GD	178
7	CTTNET	109
8	CHINANET-SH	52
9	CRTC	50
10	CHINANET-FJ	45

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	2585
2	Taiwan	639
3	United States	160
4	Brazil	90
5	Russian Federation	61
6	Spain	51
7	Argentina	50
8	Iran	49
9	India	43
10	Colombia	41