Botnet Statistics [2012-03-26]

My detection system built around greylisting is offline currently, so today's number is derived from fake open relays only.

detection period: 2012-03-26 00:00-23:59 UTC
total number of suspected botnet IPs: 2095
number of botnet IPs notified to network operators: 1867
number of spam blocked: 183072
recipient count of spam blocked: 6234312

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

Rank	Network	# of suspected botnet IPs
1	CHINANET-GD	492
2	UNICOM-GD	490
3	HINET-NET	461
4	UNICOM-BJ	18
5	CHINANET-JS	17
6	033.530.486/0001-29	15
7	003.420.926/0002-05	15
8	002.558.157/0001-62	14
9	000.065.376/0002-65	13
10	UNICOM-SD	11

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	1160
2	Taiwan	470
3	Brazil	81
4	United States	50
5	Russian Federation	36
6	India	27
7	Germany	27
8	South Korea	18
9	Iran	17
10	Indonesia	17