detection period: 2021-02-24 00:00-23:59 UTC
total number of suspected botnet IPs: 34242
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 31520
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 | 1911 |
| 2 | VNPT-VN | 842 |
| 3 | TENCENT-CN | 744 |
| 4 | VIETTEL-VN | 666 |
| 5 | ALISOFT | 640 |
| 6 | DIGITALOCEAN-192-241-128-0 | 623 |
| 7 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 565 |
| 8 | HINET-NET | 519 |
| 9 | CHINANET-JS | 410 |
| 10 | VE-CSVE-LACNIC | 393 |
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 | 8874 |
| 2 | United States | 3928 |
| 3 | India | 2097 |
| 4 | Viet Nam | 2016 |
| 5 | Russian Federation | 1833 |
| 6 | Brazil | 1534 |
| 7 | Indonesia | 1021 |
| 8 | Thailand | 700 |
| 9 | Taiwan | 675 |
| 10 | France | 619 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 353056 |
| 2 | 22 | 86620 |
| 3 | 60200 | 54660 |
| 4 | 61400 | 54634 |
| 5 | 62000 | 54629 |
| 6 | 62111 | 54582 |
| 7 | 62011 | 54423 |
| 8 | 61300 | 54390 |
| 9 | 60100 | 54146 |
| 10 | 62311 | 54144 |
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