detection period: 2021-02-04 00:00-23:59 UTC
total number of suspected botnet IPs: 40101
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 37170
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 | 1709 |
| 2 | HINET-NET | 943 |
| 3 | VNPT-VN | 791 |
| 4 | TENCENT-CN | 740 |
| 5 | VIETTEL-VN | 707 |
| 6 | KORNET | 700 |
| 7 | DIGITALOCEAN-192-241-128-0 | 655 |
| 8 | VE-CSVE-LACNIC | 540 |
| 9 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 513 |
| 10 | ALISOFT | 478 |
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 | 8453 |
| 2 | United States | 4315 |
| 3 | India | 2637 |
| 4 | Russian Federation | 2323 |
| 5 | Viet Nam | 2122 |
| 6 | Brazil | 1914 |
| 7 | Taiwan | 1272 |
| 8 | Indonesia | 1201 |
| 9 | South Korea | 1057 |
| 10 | Hong Kong | 1054 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 292021 |
| 2 | 22 | 99118 |
| 3 | 1622 | 46964 |
| 4 | 1433 | 34685 |
| 5 | 23 | 28853 |
| 6 | 2277 | 25860 |
| 7 | 1111 | 23619 |
| 8 | 33 | 23572 |
| 9 | 3389 | 15636 |
| 10 | 1234 | 13520 |
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