detection period: 2023-01-15 00:00-23:59 UTC
total number of suspected botnet IPs: 31929
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 30665
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 | HINET-NET | 1918 |
2 | KORNET-KR | 1836 |
3 | DIGITALOCEAN-192-241-128-0 | 584 |
4 | CHINANET-JS | 578 |
5 | ACEVILLEPTELTD-SG | 520 |
6 | CMNET | 460 |
7 | DIGITALOCEAN-107-170-0-0 | 429 |
8 | DIGITALOCEAN-198-199-64-0 | 321 |
9 | DIGITALOCEAN-162-243-0-0 | 320 |
10 | DO-13 | 313 |
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 | United States | 8209 |
2 | China | 4508 |
3 | South Korea | 2606 |
4 | Taiwan | 2408 |
5 | India | 1381 |
6 | Russian Federation | 1104 |
7 | Brazil | 1060 |
8 | Singapore | 967 |
9 | Viet Nam | 660 |
10 | Hong Kong | 638 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 22 | 88037 |
2 | 5901 | 57967 |
3 | 23 | 56525 |
4 | 6220 | 31674 |
5 | 6001 | 29619 |
6 | 445 | 29475 |
7 | 6000 | 28912 |
8 | 4422 | 25708 |
9 | 2222 | 24803 |
10 | 822 | 24274 |
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