detection period: 2021-01-28 00:00-23:59 UTC
total number of suspected botnet IPs: 41126
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 37982
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 | 1836 |
| 2 | VNPT-VN | 1036 |
| 3 | HINET-NET | 810 |
| 4 | VIETTEL-VN | 773 |
| 5 | TENCENT-CN | 766 |
| 6 | KORNET | 686 |
| 7 | DIGITALOCEAN-192-241-128-0 | 674 |
| 8 | VE-CSVE-LACNIC | 556 |
| 9 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 530 |
| 10 | ALISOFT | 525 |
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 | 8758 |
| 2 | United States | 4291 |
| 3 | India | 2612 |
| 4 | Russian Federation | 2493 |
| 5 | Viet Nam | 2491 |
| 6 | Brazil | 1893 |
| 7 | Indonesia | 1247 |
| 8 | Taiwan | 1154 |
| 9 | Hong Kong | 1044 |
| 10 | South Korea | 1017 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 293395 |
| 2 | 22 | 70872 |
| 3 | 1112 | 64263 |
| 4 | 3389 | 41394 |
| 5 | 1433 | 34757 |
| 6 | 25 | 28317 |
| 7 | 23 | 28223 |
| 8 | 1111 | 26901 |
| 9 | 66 | 22363 |
| 10 | 30002 | 16168 |
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