Botnet Statistics [2013-04-20]

detection period: 2013-04-20 00:00-23:59 UTC
total number of suspected botnet IPs: 3546
number of botnet IPs notified to network operators: 3067
number of spam blocked: 118840
recipient count of spam blocked: 3958871

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 [2013-04-20]

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	392
2	BY-BELPAK-20091210	200
3	CHINANET-GD	154
4	UNICOM-GD	93
5	BY-BELPAK-20120330	61
6	CHINASKYNET	55
7	CHINANET-HE	52
8	CRTC	51
9	BY-BELPAK-20080213	45
10	BY-BELPAK-20120106	43

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	1356
2	Belarus	375
3	United States	218
4	Ukraine	175
5	Kazakhstan	150
6	Russian Federation	94
7	Brazil	94
8	India	84
9	Peru	67
10	Taiwan	64