Botnet Statistics [2021-05-01]

(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: 2021-05-01 00:00-23:59 UTC
total number of suspected botnet IPs: 27705
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 25585
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	2109
2	TENCENT-CN	729
3	DIGITALOCEAN-192-241-128-0	674
4	ALISOFT	663
5	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	613
6	HINET-NET	406
7	LINODE-US	360
8	Baidu	343
9	CMNET	314
10	VNPT-VN	287

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	7765
2	United States	4579
3	India	1421
4	Russian Federation	1417
5	Brazil	1150
6	Viet Nam	882
7	Indonesia	873
8	European Union	626
9	Taiwan	532
10	South Korea	484

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

Rank	TCP port number	# of connection attempts received
1	445	373778
2	112	212839
3	1010	197816
4	108	194512
5	105	188896
6	103	188056
7	114	187353
8	106	185115
9	102	183842
10	100	183734

20210502 Botnet Detection Live Streaming (1000+ zombies detected)