Botnet Statistics [2021-05-14]

(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: 2021-05-14 00:00-23:59 UTC
total number of suspected botnet IPs: 26298
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 24391
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	1413
2	DIGITALOCEAN-192-241-128-0	662
3	ALISOFT	611
4	VNPT-VN	550
5	TENCENT-CN	475
6	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	452
7	AL-3	436
8	VIETTEL-VN	422
9	Baidu	377
10	HINET-NET	367

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	6549
2	United States	4289
3	Russian Federation	1540
4	Viet Nam	1444
5	India	1365
6	Brazil	1244
7	Thailand	689
8	Mexico	538
9	Indonesia	501
10	Taiwan	480

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

Rank	TCP port number	# of connection attempts received
1	445	247166
2	1039	106521
3	1040	105885
4	1034	104428
5	600	84695
6	2000	80434
7	500	62084
8	1141	58157
9	1166	57849
10	200	54178

20210515 Botnet Detection Live Streaming 1200+ zombies detected)