Botnet Statistics [2011-04-13]

The greylisting detection system is still very slow today. Data collected with greylisting are not included below.

detection period: 2011-04-13 00:00-23:59 UTC
total number of suspected botnet IPs: 1339
number of botnet IPs notified to network operators: 1066
number of blocked spams: 138147
recipient count of blocked spams: 4238510

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	365
2	UNICOM-GD	239
3	CHINANET-ZJ-WZ	28
4	CHINANET-GD	19
5	CHINANET-JS	14
6	000.065.376/0002-65	14
7	UNICOM-SD	12
8	033.530.486/0001-29	11
9	003.420.926/0002-05	11
10	KORNET-KR	10

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	433
2	Taiwan	370
3	Brazil	77
4	Russian Federation	60
5	United States	41
6	South Korea	25
7	India	25
8	Kazakhstan	22
9	Ukraine	21
10	Colombia	20