Botnet Statistics [2013-07-20]

The US took the number 1 position from China on July 20. 800+ bots were there, which is unusual. More specifically, no less than 500 suspected malware-infected computers were detected within Amazon's networks.

detection period: 2013-07-20 00:00-23:59 UTC
total number of suspected botnet IPs: 3290
number of botnet IPs notified to network operators: 3036
number of spam blocked: 121681
recipient count of spam blocked: 2426035

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	822
2	AMAZON-2011L	370
3	UNICOM-GD	201
4	CHINANET-GD	156
5	AMAZON-EC2-8	76
6	CHINASKYNET	55
7	SHENZHEN-CNC	54
8	ZTWL	47
9	CHINANET-HN	47
10	CHINANET-FJ	46

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	United States	868
2	China	847
3	Taiwan	829
4	Brazil	59
5	Russian Federation	48
6	Iran	45
7	India	43
8	Argentina	41
9	Canada	40
10	Peru	38