Botnet Statistics [2021-04-15]

(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: 2021-04-15 00:00-23:59 UTC
total number of suspected botnet IPs: 28393
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 26180
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	1861
2	TENCENT-CN	679
3	DIGITALOCEAN-192-241-128-0	647
4	ALISOFT	635
5	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	557
6	VNPT-VN	544
7	HINET-NET	504
8	VIETTEL-VN	491
9	Baidu	351
10	BSNLNET	317

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	7679
2	United States	3954
3	India	1897
4	Russian Federation	1556
5	Viet Nam	1526
6	Brazil	1353
7	Indonesia	802
8	Taiwan	595
9	European Union	581
10	Mexico	480

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

Rank	TCP port number	# of connection attempts received
1	445	648491
2	1024	325188
3	1093	220366
4	1096	219925
5	1095	219387
6	1099	217966
7	1094	214649
8	1098	214631
9	1097	210628
10	228	175993

20210416 Botnet Detection Live Streaming (1100+ zombies detected)