Botnet Statistics [2021-06-01]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for June 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-06-01 00:00-23:59 UTC
total number of suspected botnet IPs: 31087
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28760
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	2031
2	ALISOFT	1002
3	TENCENT-CN	686
4	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	617
5	VNPT-VN	586
6	HINET-NET	452
7	VIETTEL-VN	433
8	Baidu	381
9	CMNET	308
10	CHINANET-SD	278

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	8363
2	United States	4179
3	Russian Federation	1801
4	India	1790
5	Viet Nam	1425
6	Brazil	1376
7	Thailand	731
8	Indonesia	664
9	European Union	652
10	Taiwan	599

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

Rank	TCP port number	# of connection attempts received
1	445	146417
2	2626	103234
3	2727	91499
4	4242	83284
5	1221	73584
6	10024	71446
7	10005	68613
8	5900	61082
9	1111	51220
10	22	51104

20210602 Botnet Detection Live Streaming 1500+ zombies detected)