detection period: 2021-02-14 00:00-23:59 UTC
total number of suspected botnet IPs: 39825
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 36998
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 | 2101 |
| 2 | TENCENT-CN | 854 |
| 3 | KORNET | 838 |
| 4 | HINET-NET | 832 |
| 5 | NETVIGATOR | 764 |
| 6 | DIGITALOCEAN-192-241-128-0 | 663 |
| 7 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 631 |
| 8 | VE-CSVE-LACNIC | 495 |
| 9 | Baidu | 431 |
| 10 | CMNET | 430 |
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 | 9086 |
| 2 | United States | 5317 |
| 3 | Russian Federation | 2177 |
| 4 | Brazil | 1766 |
| 5 | Hong Kong | 1700 |
| 6 | India | 1680 |
| 7 | South Korea | 1304 |
| 8 | Taiwan | 1243 |
| 9 | Viet Nam | 912 |
| 10 | France | 871 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 321 | 305697 |
| 2 | 445 | 182054 |
| 3 | 23 | 83503 |
| 4 | 22 | 75589 |
| 5 | 1122 | 70286 |
| 6 | 1433 | 40050 |
| 7 | 85 | 32712 |
| 8 | 1212 | 29571 |
| 9 | 110 | 28317 |
| 10 | 123 | 23735 |
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