detection period: 2021-03-28 00:00-23:59 UTC
total number of suspected botnet IPs: 36064
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 33176
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 | 2176 |
2 | TENCENT-CN | 859 |
3 | ALISOFT | 798 |
4 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 667 |
5 | VNPT-VN | 578 |
6 | HINET-NET | 509 |
7 | VIETTEL-VN | 505 |
8 | DIGITALOCEAN-192-241-128-0 | 490 |
9 | CMNET | 420 |
10 | Baidu | 412 |
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 | 9695 |
2 | United States | 4956 |
3 | Russian Federation | 2014 |
4 | India | 1854 |
5 | Viet Nam | 1602 |
6 | Brazil | 1495 |
7 | Indonesia | 851 |
8 | Mauritius | 722 |
9 | Taiwan | 684 |
10 | European Union | 684 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 1222 | 418488 |
2 | 445 | 358015 |
3 | 129 | 189643 |
4 | 130 | 184748 |
5 | 10930 | 107694 |
6 | 27 | 81382 |
7 | 1070 | 81159 |
8 | 1170 | 79777 |
9 | 10920 | 78468 |
10 | 22 | 65754 |
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