Botnet Statistics [2021-04-18]

(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: 2021-04-18 00:00-23:59 UTC
total number of suspected botnet IPs: 29722
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 27336
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	2256
2	TENCENT-CN	895
3	DIGITALOCEAN-192-241-128-0	678
4	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	672
5	ALISOFT	669
6	Baidu	391
7	HINET-NET	386
8	CMNET	336
9	VIETTEL-VN	303
10	CHINANET-SD	300

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	8739
2	United States	4788
3	Russian Federation	1518
4	India	1365
5	Brazil	1203
6	Viet Nam	923
7	Indonesia	711
8	European Union	690
9	South Korea	564
10	Taiwan	495

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

Rank	TCP port number	# of connection attempts received
1	445	329773
2	6004	185006
3	6003	74843
4	1112	71149
5	11111	70933
6	22	63792
7	202	55476
8	650	44968
9	1111	43846
10	1433	43189

20210419 Botnet Detection Live Streaming (1000+ zombies detected)