Botnet Statistics [2021-04-24]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for April 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-04-24 00:00-23:59 UTC
total number of suspected botnet IPs: 28918
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 26692
number of spam blocked: 0
recipient count of spam blocked: 0

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

Rank	Network	# of suspected botnet IPs
1	TencentCloud	2378
2	TENCENT-CN	859
3	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	729
4	DIGITALOCEAN-192-241-128-0	659
5	ALISOFT	602
6	VNPT-VN	397
7	HINET-NET	396
8	Baidu	395
9	VIETTEL-VN	353
10	CMNET	302

The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:

Rank	Country/Region	# of suspected botnet IPs
1	China	8557
2	United States	4212
3	India	1601
4	Russian Federation	1424
5	Brazil	1248
6	Viet Nam	1125
7	European Union	751
8	Indonesia	710
9	Taiwan	493
10	South Korea	467

The top 10 TCP ports, ordered by the number of connection attempts received are:

Rank	TCP port number	# of connection attempts received
1	445	420396
2	823	186299
3	821	178755
4	828	172738
5	820	172497
6	810	172210
7	900	161176
8	818	155620
9	522	101363
10	622	92177

20210425 Botnet Detection Live Streaming (2100+ zombies detected)