Botnet Statistics [2011-12-22]

Coming from nowhere, Italy landed on number 3 yesterday. A Christmas malware outbreak?

detection period: 2011-12-22 00:00-23:59 UTC
total number of suspected botnet IPs: 2505
number of botnet IPs notified to network operators: 1933
number of spam blocked: 48261
recipient count of spam blocked: 1675134

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	252
2	CHINANET-GD	127
3	CTTNET	85
4	CHINANET-HB	85
5	CRTC	46
6	IT-TIN-20070221	42
7	CHINANET-FJ	36
8	CHINANET-JS	35
9	VNPT-VNNIC-VN	33
10	IT-TIWS-20090115	32

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	804
2	Taiwan	276
3	Italy	267
4	India	117
5	Brazil	114
6	United States	103
7	Russian Federation	77
8	Viet Nam	66
9	Indonesia	56
10	South Korea	39