detection period: 2021-02-25 00:00-23:59 UTC
total number of suspected botnet IPs: 34570
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 32004
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 | 1802 |
| 2 | VNPT-VN | 997 |
| 3 | TENCENT-CN | 714 |
| 4 | VIETTEL-VN | 708 |
| 5 | DIGITALOCEAN-192-241-128-0 | 619 |
| 6 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 549 |
| 7 | HINET-NET | 517 |
| 8 | ALISOFT | 459 |
| 9 | Baidu | 387 |
| 10 | BSNLNET | 375 |
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 | 8260 |
| 2 | United States | 3898 |
| 3 | India | 2510 |
| 4 | Viet Nam | 2292 |
| 5 | Russian Federation | 1934 |
| 6 | Brazil | 1559 |
| 7 | Indonesia | 1077 |
| 8 | Thailand | 737 |
| 9 | Taiwan | 682 |
| 10 | France | 602 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 318761 |
| 2 | 1433 | 101447 |
| 3 | 112 | 89198 |
| 4 | 22 | 76479 |
| 5 | 61000 | 45251 |
| 6 | 60900 | 45204 |
| 7 | 62500 | 44891 |
| 8 | 61800 | 44717 |
| 9 | 62400 | 44661 |
| 10 | 62100 | 44657 |
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