Botnet Statistics [2021-04-04]

(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: 2021-04-04 00:00-23:59 UTC
total number of suspected botnet IPs: 34962
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 32138
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	2147
2	TENCENT-CN	871
3	ALISOFT	757
4	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	678
5	HINET-NET	517
6	VIETTEL-VN	511
7	VNPT-VN	505
8	Baidu	400
9	DIGITALOCEAN-192-241-128-0	394
10	CMNET	390

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	9396
2	United States	4617
3	Russian Federation	1977
4	India	1818
5	Viet Nam	1550
6	Brazil	1504
7	Indonesia	825
8	European Union	700
9	Taiwan	685
10	South Korea	630

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

Rank	TCP port number	# of connection attempts received
1	445	353724
2	1221	95158
3	23	94825
4	2000	92842
5	201	75461
6	33	67567
7	22	59604
8	2005	44855
9	3381	36675
10	1433	30119

20210405 Botnet Detection Live Streaming (2600+ zombies detected)