Botnet Statistics [2012-04-28]

detection period: 2012-04-28 00:00-23:59 UTC
total number of suspected botnet IPs: 3434
number of botnet IPs notified to network operators: 2566
number of spam blocked: 145910
recipient count of spam blocked: 5028356

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

Rank	Network	# of suspected botnet IPs
1	UNICOM-GD	532
2	CHINANET-GD	304
3	HINET-NET	222
4	UNICOM-HA	141
5	BSNLNET	62
6	VNPT-VNNIC-VN	57
7	CHINANET-FJ	50
8	CRTC	42
9	KORNET-KR	39
10	PTCL	35

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	1517
2	Taiwan	241
3	India	198
4	United States	142
5	Brazil	129
6	Russian Federation	122
7	Viet Nam	111
8	South Korea	111
9	Indonesia	52
10	Pakistan	51