detection period: 2021-01-22 00:00-23:59 UTC
total number of suspected botnet IPs: 41128
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 38191
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 | 1875 |
| 2 | VNPT-VN | 900 |
| 3 | TENCENT-CN | 821 |
| 4 | VIETTEL-VN | 819 |
| 5 | DIGITALOCEAN-192-241-128-0 | 684 |
| 6 | HINET-NET | 651 |
| 7 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 547 |
| 8 | ALISOFT | 547 |
| 9 | VE-CSVE-LACNIC | 515 |
| 10 | CHINANET-JS | 459 |
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 | 9517 |
| 2 | United States | 5092 |
| 3 | India | 2695 |
| 4 | Russian Federation | 2425 |
| 5 | Viet Nam | 2417 |
| 6 | Brazil | 1952 |
| 7 | Indonesia | 1255 |
| 8 | Taiwan | 915 |
| 9 | Thailand | 905 |
| 10 | France | 832 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 262336 |
| 2 | 22 | 70981 |
| 3 | 1122 | 39133 |
| 4 | 1433 | 38474 |
| 5 | 1100 | 37454 |
| 6 | 23 | 27243 |
| 7 | 3389 | 26322 |
| 8 | 1022 | 25118 |
| 9 | 66 | 23716 |
| 10 | 422 | 19902 |
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