Botnet Statistics [2021-05-04]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-05-04 00:00-23:59 UTC
total number of suspected botnet IPs: 30941
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28279
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	2197
2	TENCENT-CN	774
3	DIGITALOCEAN-192-241-128-0	683
4	VNPT-VN	666
5	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	665
6	ALISOFT	609
7	VIETTEL-VN	528
8	HINET-NET	444
9	Baidu	395
10	CMNET	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	8189
2	United States	4511
3	India	1747
4	Viet Nam	1682
5	Russian Federation	1548
6	Brazil	1435
7	Indonesia	887
8	European Union	685
9	Taiwan	582
10	Mexico	557

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

Rank	TCP port number	# of connection attempts received
1	445	502960
2	5038	427729
3	1193	234899
4	1167	210597
5	1034	202867
6	1035	196393
7	1036	195860
8	1032	162373
9	1066	133783
10	1466	132145

20210505 Botnet Detection Live Streaming (1500+ zombies detected)