Botnet Statistics [2012-03-21]

detection period: 2012-03-21 00:00-23:59 UTC
total number of suspected botnet IPs: 4087
number of botnet IPs notified to network operators: 3110
number of spam blocked: 202502
recipient count of spam blocked: 6938608

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	526
2	HINET-NET	466
3	CHINANET-GD	438
4	PTCL	82
5	BSNLNET	78
6	VNPT-VNNIC-VN	77
7	CHINANET-FJ	48
8	CHINANET-JS	47
9	KORNET-KR	42
10	MTNLISP	34

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	1530
2	Taiwan	486
3	India	252
4	United States	198
5	Brazil	135
6	Viet Nam	128
7	Russian Federation	127
8	Pakistan	111
9	South Korea	88
10	Indonesia	83