detection period: 2021-02-07 00:00-23:59 UTC
total number of suspected botnet IPs: 38269
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 35530
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 | 1953 |
| 2 | HINET-NET | 888 |
| 3 | TENCENT-CN | 825 |
| 4 | KORNET | 699 |
| 5 | DIGITALOCEAN-192-241-128-0 | 655 |
| 6 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 581 |
| 7 | ALISOFT | 530 |
| 8 | NETVIGATOR | 492 |
| 9 | CMNET | 484 |
| 10 | VNPT-VN | 478 |
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 | 9220 |
| 2 | United States | 4998 |
| 3 | Russian Federation | 2064 |
| 4 | Brazil | 1633 |
| 5 | India | 1551 |
| 6 | Viet Nam | 1372 |
| 7 | Taiwan | 1227 |
| 8 | Hong Kong | 1214 |
| 9 | South Korea | 1058 |
| 10 | France | 870 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 222 | 321552 |
| 2 | 445 | 248103 |
| 3 | 22 | 70632 |
| 4 | 23 | 61611 |
| 5 | 1000 | 48893 |
| 6 | 2000 | 45728 |
| 7 | 32 | 40770 |
| 8 | 1022 | 37841 |
| 9 | 1433 | 33661 |
| 10 | 1212 | 30960 |
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