Botnet Statistics [2013-04-21]

detection period: 2013-04-21 00:00-23:59 UTC
total number of suspected botnet IPs: 4460
number of botnet IPs notified to network operators: 3982
number of spam blocked: 138211
recipient count of spam blocked: 4071347

To encourage cyber security information sharing (as some form of open data) while still giving victims enough time to clean up their computers, the IP list of suspected infected computers will be released here 10 days after its respective botnet statistics gets published.

Suspected Bots IP [2013-04-21]

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

Rank	Network	# of suspected botnet IPs
1	CHINANET-JS	1069
2	CHINANET-HE	252
3	BY-BELPAK-20091210	235
4	CRTC	159
5	CHINANET-GD	153
6	UNICOM-GD	132
7	BY-BELPAK-20120330	89
8	TimeNet	49
9	HINET-NET	48
10	BY-BELPAK-20080213	48

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	2376
2	Belarus	456
3	United States	195
4	Ukraine	195
5	Kazakhstan	141
6	Russian Federation	88
7	Brazil	87
8	Taiwan	69
9	India	59
10	Iran	49