Botnet Statistics [2013-05-31]

detection period: 2013-05-31 00:00-23:59 UTC
total number of suspected botnet IPs: 10093
number of botnet IPs notified to network operators: 9807
number of spam blocked: 103287
recipient count of spam blocked: 3477426

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	2613
2	UNICOM-HB	1618
3	CHINANET-JS	1072
4	UNICOM-HA	920
5	HINET-NET	804
6	CHINANET-HE	429
7	UNICOM-HN	297
8	CHINANET-GD	188
9	CTTNET	177
10	CHINANET-HA	152

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	7990
2	Taiwan	819
3	United States	267
4	Brazil	92
5	Russian Federation	64
6	India	53
7	Argentina	50
8	Iran	48
9	Mexico	46
10	Spain	41