Botnet Statistics [2021-04-01]

(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: 2021-04-01 00:00-23:59 UTC
total number of suspected botnet IPs: 36639
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 33663
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	2073
2	VNPT-VN	867
3	VIETTEL-VN	797
4	TENCENT-CN	777
5	ALISOFT	691
6	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	638
7	HINET-NET	559
8	BSNLNET	415
9	TELKOMNET	394
10	VE-CSVE-LACNIC	387

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	8798
2	United States	4118
3	India	2837
4	Viet Nam	2309
5	Russian Federation	2154
6	Brazil	1603
7	Indonesia	1225
8	Thailand	851
9	Taiwan	729
10	European Union	663

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

Rank	TCP port number	# of connection attempts received
1	445	498278
2	177	169615
3	1018	152753
4	1038	125772
5	1089	122089
6	1028	121736
7	118	121245
8	1189	118749
9	1068	117399
10	1128	105495

20210402 Botnet Detection Live Streaming (3200+ zombies detected)