Botnet Statistics [2012-02-23]

detection period: 2012-02-23 00:00-23:59 UTC
total number of suspected botnet IPs: 4501
number of botnet IPs notified to network operators: 3903
number of spam blocked: 223488
recipient count of spam blocked: 7513540

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

Rank	Network	# of suspected botnet IPs
1	CHINANET-GD	1385
2	HINET-NET	484
3	UNICOM-GD	442
4	BSNLNET	72
5	VNPT-VNNIC-VN	54
6	CHINANET-JS	42
7	CHINANET-FJ	38
8	BHARTI-IN	30
9	MTNLISP	27
10	ZTWL	25

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	2249
2	Taiwan	504
3	India	238
4	Brazil	123
5	United States	108
6	Viet Nam	93
7	Indonesia	90
8	Russian Federation	81
9	Poland	65
10	South Korea	64