Botnet Statistics [2012-02-21]

detection period: 2012-02-21 00:00-23:59 UTC
total number of suspected botnet IPs: 6612
number of botnet IPs notified to network operators: 5846
number of spam blocked: 15921
recipient count of spam blocked: 215023

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	1370
2	UNICOM-HA	1157
3	UNICOM-HN	732
4	HINET-NET	459
5	UNICOM-GD	445
6	VNPT-VNNIC-VN	67
7	BSNLNET	57
8	MTNLISP	45
9	CHINANET-JS	40
10	PTCL	37

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	4079
2	Taiwan	482
3	India	249
4	Indonesia	135
5	United States	117
6	Viet Nam	109
7	Russian Federation	101
8	Poland	97
9	Brazil	89
10	South Korea	70