detection period: 2021-01-05 00:00-23:59 UTC
total number of suspected botnet IPs: 41540
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 38280
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 | 1834 |
| 2 | VNPT-VN | 1017 |
| 3 | VIETTEL-VN | 837 |
| 4 | TENCENT-CN | 766 |
| 5 | DIGITALOCEAN-192-241-128-0 | 682 |
| 6 | HINET-NET | 648 |
| 7 | CHINANET-JS | 556 |
| 8 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 548 |
| 9 | ALISOFT | 522 |
| 10 | Baidu | 443 |
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 | 9722 |
| 2 | United States | 4564 |
| 3 | India | 2805 |
| 4 | Viet Nam | 2654 |
| 5 | Russian Federation | 2078 |
| 6 | Brazil | 1986 |
| 7 | Indonesia | 1383 |
| 8 | Thailand | 1010 |
| 9 | Taiwan | 862 |
| 10 | France | 860 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 530104 |
| 2 | 1622 | 106153 |
| 3 | 1922 | 105589 |
| 4 | 1822 | 105164 |
| 5 | 22 | 73835 |
| 6 | 23 | 47378 |
| 7 | 1433 | 35343 |
| 8 | 2255 | 21397 |
| 9 | 66 | 17456 |
| 10 | 21 | 17444 |
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