Botnet Statistics [2013-05-28]

detection period: 2013-05-28 00:00-23:59 UTC
total number of suspected botnet IPs: 9593
number of botnet IPs notified to network operators: 9261
number of spam blocked: 85516
recipient count of spam blocked: 2968254

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

Rank	Network	# of suspected botnet IPs
1	CHINANET-HB	1591
2	UNICOM-HA	1532
3	UNICOM-HB	1174
4	CHINANET-HE	1090
5	CHINANET-JS	1052
6	HINET-NET	468
7	UNICOM-HN	276
8	CHINANET-HA	217
9	CHINANET-GD	150
10	CTTNET	98

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	7922
2	Taiwan	481
3	United States	226
4	Brazil	97
5	India	55
6	Peru	54
7	Iran	50
8	Russian Federation	49
9	Kazakhstan	44
10	Mexico	42