Botnet Statistics [2021-05-29]

(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: 2021-05-29 00:00-23:59 UTC
total number of suspected botnet IPs: 29331
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 27020
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	2061
2	ALISOFT	961
3	TENCENT-CN	700
4	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	649
5	VNPT-VN	456
6	HINET-NET	400
7	Baidu	390
8	VIETTEL-VN	369
9	ACEVILLEPTELTD-SG	301
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	8252
2	United States	4104
3	India	1673
4	Russian Federation	1536
5	Brazil	1265
6	Viet Nam	1184
7	Indonesia	722
8	European Union	678
9	Taiwan	556
10	Mexico	523

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

Rank	TCP port number	# of connection attempts received
1	1212	157748
2	445	156689
3	6006	86360
4	5900	72098
5	3737	44096
6	7927	43638
7	22	41089
8	10002	40393
9	7857	38155
10	4029	35349

20210530 Botnet Detection Live Streaming 1700+ zombies detected)