Botnet Statistics for October 2015

detection period: 2015-10-01 00:00 - 2015-10-31 23:59 UTC
total number of suspected botnet IPs: 53518
number of blocked spams: 3807106
recipient count of blocked spams: 101802151

The top 25 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	26151
2	Taiwan	22371
3	Viet Nam	1834
4	United States	638
5	Brazil	274
6	India	234
7	Ukraine	211
8	Russian Federation	204
9	South Korea	143
10	Argentina	98
11	Turkey	87
12	Indonesia	86
13	Kazakhstan	85
14	Romania	83
15	Mexico	66
16	Colombia	48
17	Germany	46
18	United Kingdom	43
19	Belarus	43
20	Poland	41
21	Thailand	38
22	Bulgaria	34
23	Iran	33
24	Azerbaijan	29
25	Israel	28

The top 6 countries (as defined by the 2-character country code), ordered by number of blocked spams are:

Rank	Country	# of blocked spams
1	Taiwan	3244396
2	United States	263940
3	Germany	212095
4	Brazil	50345
5	China	36040
6	Ukraine	290

The top 6 countries (as defined by the 2-character country code), ordered by recipient count of blocked spams are:

Rank	Country	recipient count of blocked spams
1	Taiwan	96527629
2	United States	2639089
3	Germany	2097450
4	Brazil	501653
5	China	36040
6	Ukraine	290

The top 25 networks (as found in WHOIS), ordered by number of suspected botnet IPs are:

Rank	Network	# of suspected botnet IPs
1	HINET-NET	22328
2	CHINANET-HB	5997
3	UNICOM-AH	4424
4	UNICOM-ZJ	2324
5	CHINANET-GD	2154
6	WASU	1910
7	WASU-BB	1741
8	CHINANET-ZJ	1413
9	CHINANET-AH	1178
10	VNPT-VNNIC-VN	914
11	CHINANET-JS	660
12	CHINANET-HN	655
13	CHINANET-LN	540
14	CHINANET-SX	393
15	CHINANET-SD	327
16	UNICOM-BJ	326
17	CHINANET-YN	326
18	CHINANET-SN	224
19	FPT-VN	212
20	CHINANET-FJ	197
21	CHINANET-HA	188
22	VIETEL-VNNIC-VN	187
23	NET-107-151-128-0	163
24	VIETEL-VN	147
25	ETC-VNNIC-VN	147

The top 15 networks (as found in WHOIS), ordered by number of blocked spams are:

Rank	Network	# of blocked spams
1	HINET-NET	3244396
2	TWTC-NETBLK-11	263938
3	DE-COMSITEC	212095
4	005.200.140/0001-27	50345
5	CHINANET-HB	10614
6	UNICOM-AH	9631
7	CHINANET-ZJ	5701
8	CHINANET-GD	4295
9	CHINANET-AH	3025
10	CHINANET-SD	1926
11	UNICOM-CN	726
12	TechExpert	290
13	CHINANET-ZJ-SX	122
14	SBCIS-SIS80	1
15	NET-107-191-52-0-23	1

The top 15 networks (as found in WHOIS), ordered by recipient count of blocked spams are:

Rank	Network	recipient count of blocked spams
1	HINET-NET	96527629
2	TWTC-NETBLK-11	2639083
3	DE-COMSITEC	2097450
4	005.200.140/0001-27	501653
5	CHINANET-HB	10614
6	UNICOM-AH	9631
7	CHINANET-ZJ	5701
8	CHINANET-GD	4295
9	CHINANET-AH	3025
10	CHINANET-SD	1926
11	UNICOM-CN	726
12	TechExpert	290
13	CHINANET-ZJ-SX	122
14	SBCIS-SIS80	4
15	NET-107-191-52-0-23	2