Botnet Statistics [2021-04-21]

(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: 2021-04-21 00:00-23:59 UTC
total number of suspected botnet IPs: 29112
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 26704
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	2244
2	TENCENT-CN	838
3	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	731
4	ALISOFT	721
5	DIGITALOCEAN-192-241-128-0	677
6	HINET-NET	383
7	Baidu	371
8	VNPT-VN	296
9	CHINANET-SD	288
10	TELKOMNET	269

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	8371
2	United States	4192
3	India	1690
4	Russian Federation	1605
5	Brazil	1145
6	Viet Nam	890
7	Indonesia	872
8	European Union	755
9	Thailand	635
10	Mexico	512

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

Rank	TCP port number	# of connection attempts received
1	445	310584
2	308	184035
3	627	183239
4	702	179082
5	313	178744
6	703	176984
7	311	176704
8	700	173718
9	400	171635
10	309	171197

20210422 Botnet Detection Live Streaming (1900+ zombies detected)