Botnet Statistics [2012-05-27]

detection period: 2012-05-27 00:00-23:59 UTC
total number of suspected botnet IPs: 4974
number of botnet IPs notified to network operators: 4313
number of spam blocked: 159037
recipient count of spam blocked: 5339802

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	1595
2	UNICOM-HN	381
3	MAINT-CHINANET-HA	377
4	HINET-NET	299
5	UNICOM-GD	119
6	CHINANET-HA	95
7	CHINANET-FJ	60
8	VNPT-VNNIC-VN	47
9	PHN-67-221-46-0-23	44
10	UNICOM-LN	36

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	3123
2	Taiwan	317
3	United States	144
4	Brazil	144
5	India	143
6	Viet Nam	98
7	South Korea	96
8	Russian Federation	81
9	Poland	44
10	Pakistan	43