Botnet Statistics [2013-08-21]

detection period: 2013-08-21 00:00-23:59 UTC
total number of suspected botnet IPs: 3876
number of botnet IPs notified to network operators: 3581
number of spam blocked: 104043
recipient count of spam blocked: 3351042

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	975
2	CHINANET-JS	886
3	CHINANET-GD	190
4	UNICOM-GD	185
5	CHINASKYNET	155
6	CTTNET	152
7	ZTWL	42
8	CHINANET-FJ	37
9	UNICOM-LN	25
10	PE-TPSA-LACNIC	18

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	1886
2	Taiwan	992
3	United States	169
4	Brazil	55
5	Peru	48
6	Argentina	45
7	India	40
8	United Kingdom	38
9	Italy	37
10	Spain	33