detection period: 2021-01-07 00:00-23:59 UTC
total number of suspected botnet IPs: 39243
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 36204
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 | 1865 |
| 2 | VNPT-VN | 967 |
| 3 | VIETTEL-VN | 841 |
| 4 | TENCENT-CN | 757 |
| 5 | DIGITALOCEAN-192-241-128-0 | 689 |
| 6 | HINET-NET | 649 |
| 7 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 540 |
| 8 | VE-CSVE-LACNIC | 499 |
| 9 | ALISOFT | 467 |
| 10 | CHINANET-JS | 463 |
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 | 9377 |
| 2 | United States | 4556 |
| 3 | India | 2720 |
| 4 | Viet Nam | 2523 |
| 5 | Russian Federation | 1976 |
| 6 | Brazil | 1846 |
| 7 | Indonesia | 1351 |
| 8 | Thailand | 937 |
| 9 | Taiwan | 824 |
| 10 | France | 805 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 358500 |
| 2 | 22 | 82771 |
| 3 | 1433 | 66361 |
| 4 | 23 | 33897 |
| 5 | 3022 | 24795 |
| 6 | 587 | 24701 |
| 7 | 2255 | 21874 |
| 8 | 6022 | 19166 |
| 9 | 3389 | 18279 |
| 10 | 66 | 13970 |
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