Botnet Statistics [2021-04-30]

(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: 2021-04-30 00:00-23:59 UTC
total number of suspected botnet IPs: 28231
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 26022
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	2109
2	TENCENT-CN	726
3	DIGITALOCEAN-192-241-128-0	664
4	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	602
5	ALISOFT	576
6	HINET-NET	377
7	Baidu	351
8	CMNET	336
9	BSNLNET	281
10	VNPT-VN	279

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	7740
2	United States	4204
3	India	1805
4	Russian Federation	1610
5	Brazil	1327
6	Viet Nam	866
7	Indonesia	843
8	Thailand	637
9	European Union	619
10	Taiwan	497

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

Rank	TCP port number	# of connection attempts received
1	445	465170
2	114	342038
3	112	329864
4	102	322933
5	108	318320
6	103	317527
7	105	316245
8	106	308536
9	111	302157
10	101	297186

20210501 Botnet Detection Live Streaming (1900+ zombies detected)