detection period: 2021-12-30 00:00-23:59 UTC
total number of suspected botnet IPs: 18771
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17021
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 | ALISOFT | 817 |
2 | DIGITALOCEAN-192-241-128-0 | 660 |
3 | VNPT-VN | 462 |
4 | VIETTEL-VN | 337 |
5 | TencentCloud | 324 |
6 | HINET-NET | 289 |
7 | CMNET | 281 |
8 | BSNLNET | 264 |
9 | TELKOMNET | 227 |
10 | LINODE-US | 209 |
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 | 3471 |
2 | United States | 2581 |
3 | India | 1463 |
4 | Russian Federation | 1309 |
5 | Viet Nam | 1111 |
6 | Brazil | 937 |
7 | Indonesia | 631 |
8 | Thailand | 418 |
9 | Taiwan | 401 |
10 | Mexico | 354 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
Rank | TCP port number | # of connection attempts received |
---|---|---|
1 | 141 | 168727 |
2 | 145 | 162228 |
3 | 142 | 161937 |
4 | 146 | 155920 |
5 | 144 | 119070 |
6 | 4444 | 101846 |
7 | 3389 | 93880 |
8 | 4001 | 85767 |
9 | 5900 | 79889 |
10 | 445 | 76602 |