Botnet Statistics [2021-04-27]

(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: 2021-04-27 00:00-23:59 UTC
total number of suspected botnet IPs: 30421
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28060
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	2253
2	TENCENT-CN	783
3	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	669
4	DIGITALOCEAN-192-241-128-0	660
5	ALISOFT	644
6	VNPT-VN	543
7	VIETTEL-VN	497
8	HINET-NET	401
9	Baidu	361
10	CMNET	355

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	8223
2	United States	4475
3	India	1905
4	Russian Federation	1643
5	Viet Nam	1495
6	Brazil	1346
7	Indonesia	819
8	European Union	686
9	Thailand	640
10	Mexico	546

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

Rank	TCP port number	# of connection attempts received
1	445	405557
2	1036	250476
3	1040	250109
4	1038	247302
5	1138	246312
6	1042	230269
7	1140	229178
8	1142	223482
9	1002	206279
10	1136	175839

20210428 Botnet Detection Live Streaming (1600+ zombies detected)