Botnet Statistics [2021-05-25]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-05-25 00:00-23:59 UTC
total number of suspected botnet IPs: 35170
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 32469
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	2205
2	ALISOFT	1004
3	TENCENT-CN	765
4	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	698
5	DIGITALOCEAN-192-241-128-0	697
6	VNPT-VN	613
7	HINET-NET	524
8	VIETTEL-VN	512
9	Baidu	411
10	CHINANET-AH	324

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	9248
2	United States	5027
3	Russian Federation	1967
4	India	1851
5	Brazil	1634
6	Viet Nam	1620
7	Indonesia	927
8	Thailand	742
9	European Union	729
10	Taiwan	686

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

Rank	TCP port number	# of connection attempts received
1	445	218189
2	3122	156178
3	1111	143089
4	4229	116439
5	1722	84676
6	10942	64207
7	500	60022
8	22	57022
9	10000	52722
10	1800	51615

20210526 Botnet Detection Live Streaming 1700+ zombies detected)