detection period: 2021-11-21 00:00-23:59 UTC
total number of suspected botnet IPs: 18419
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 16976
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 | DIGITALOCEAN-192-241-128-0 | 734 |
2 | ALISOFT | 689 |
3 | TencentCloud | 358 |
4 | VNPT-VN | 322 |
5 | HINET-NET | 319 |
6 | CMNET | 294 |
7 | VIETTEL-VN | 290 |
8 | KORNET | 265 |
9 | AFRINIC-042005 | 191 |
10 | LINODE-US | 184 |
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 | 3535 |
2 | United States | 3414 |
3 | Russian Federation | 1170 |
4 | India | 890 |
5 | Viet Nam | 882 |
6 | Brazil | 837 |
7 | South Korea | 470 |
8 | Taiwan | 441 |
9 | Indonesia | 397 |
10 | Mexico | 320 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 445 | 116125 |
2 | 8000 | 89069 |
3 | 1080 | 75730 |
4 | 2212 | 72730 |
5 | 6001 | 62436 |
6 | 2299 | 60709 |
7 | 9241 | 56353 |
8 | 1542 | 53902 |
9 | 8001 | 47242 |
10 | 8008 | 43594 |
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