detection period: 2021-01-06 00:00-23:59 UTC
total number of suspected botnet IPs: 40964
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 37747
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 | 1903 |
| 2 | VNPT-VN | 1031 |
| 3 | VIETTEL-VN | 809 |
| 4 | TENCENT-CN | 773 |
| 5 | DIGITALOCEAN-192-241-128-0 | 692 |
| 6 | HINET-NET | 605 |
| 7 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 552 |
| 8 | ALISOFT | 524 |
| 9 | VE-CSVE-LACNIC | 503 |
| 10 | CHINANET-JS | 502 |
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 | 9901 |
| 2 | United States | 4420 |
| 3 | India | 2872 |
| 4 | Viet Nam | 2570 |
| 5 | Russian Federation | 2048 |
| 6 | Brazil | 1987 |
| 7 | Indonesia | 1398 |
| 8 | Thailand | 931 |
| 9 | Taiwan | 840 |
| 10 | France | 822 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 378167 |
| 2 | 1622 | 112860 |
| 3 | 1822 | 110577 |
| 4 | 1922 | 110496 |
| 5 | 22 | 77519 |
| 6 | 1433 | 62509 |
| 7 | 23 | 45185 |
| 8 | 3022 | 31224 |
| 9 | 53 | 28189 |
| 10 | 66 | 26138 |
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