detection period: 2021-11-20 00:00-23:59 UTC
total number of suspected botnet IPs: 18857
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17371
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 | 721 |
2 | ALISOFT | 650 |
3 | TencentCloud | 364 |
4 | VNPT-VN | 328 |
5 | VIETTEL-VN | 314 |
6 | CMNET | 306 |
7 | HINET-NET | 304 |
8 | BSNLNET | 219 |
9 | UNICOM-HA | 183 |
10 | LINODE-US | 182 |
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 | 3581 |
2 | United States | 3025 |
3 | India | 1345 |
4 | Russian Federation | 1205 |
5 | Viet Nam | 904 |
6 | Brazil | 881 |
7 | Indonesia | 499 |
8 | Taiwan | 414 |
9 | Mexico | 394 |
10 | South Korea | 360 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 445 | 142326 |
2 | 4860 | 72029 |
3 | 4326 | 67323 |
4 | 2299 | 60536 |
5 | 4986 | 60468 |
6 | 6021 | 57288 |
7 | 2212 | 51215 |
8 | 2208 | 50460 |
9 | 8000 | 48717 |
10 | 6001 | 43296 |
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