detection period: 2021-02-05 00:00-23:59 UTC
total number of suspected botnet IPs: 41556
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 38695
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 | 1675 |
| 2 | HINET-NET | 1008 |
| 3 | VNPT-VN | 780 |
| 4 | TENCENT-CN | 729 |
| 5 | KORNET | 669 |
| 6 | DIGITALOCEAN-192-241-128-0 | 652 |
| 7 | VIETTEL-VN | 639 |
| 8 | BSNLNET | 590 |
| 9 | VE-CSVE-LACNIC | 539 |
| 10 | ALISOFT | 529 |
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 | 8625 |
| 2 | United States | 4784 |
| 3 | India | 3076 |
| 4 | Viet Nam | 2372 |
| 5 | Russian Federation | 2355 |
| 6 | Brazil | 2241 |
| 7 | Taiwan | 1351 |
| 8 | Indonesia | 1182 |
| 9 | South Korea | 1120 |
| 10 | Hong Kong | 1070 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 1022 | 738375 |
| 2 | 445 | 268433 |
| 3 | 22 | 92908 |
| 4 | 23 | 34757 |
| 5 | 1433 | 34040 |
| 6 | 1622 | 32364 |
| 7 | 1212 | 29060 |
| 8 | 33 | 28433 |
| 9 | 622 | 27795 |
| 10 | 2277 | 26252 |
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