detection period: 2021-06-22 00:00-23:59 UTC
total number of suspected botnet IPs: 31080
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28599
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 | 2068 |
2 | ALISOFT | 925 |
3 | DIGITALOCEAN-192-241-128-0 | 799 |
4 | TENCENT-CN | 671 |
5 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 626 |
6 | HINET-NET | 519 |
7 | VNPT-VN | 518 |
8 | VIETTEL-VN | 391 |
9 | Baidu | 390 |
10 | CMNET | 359 |
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 | 8024 |
2 | United States | 4826 |
3 | India | 1845 |
4 | Russian Federation | 1583 |
5 | Brazil | 1378 |
6 | Viet Nam | 1337 |
7 | Indonesia | 794 |
8 | Taiwan | 673 |
9 | European Union | 662 |
10 | Thailand | 651 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 445 | 157179 |
2 | 22 | 57591 |
3 | 1822 | 55145 |
4 | 1025 | 50013 |
5 | 6622 | 49995 |
6 | 8036 | 45687 |
7 | 1126 | 42394 |
8 | 7766 | 37374 |
9 | 8291 | 36030 |
10 | 8522 | 36010 |
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