detection period: 2021-02-20 00:00-23:59 UTC
total number of suspected botnet IPs: 32822
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 30188
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 | 1923 |
| 2 | TENCENT-CN | 724 |
| 3 | VNPT-VN | 644 |
| 4 | DIGITALOCEAN-192-241-128-0 | 631 |
| 5 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 546 |
| 6 | HINET-NET | 520 |
| 7 | VIETTEL-VN | 457 |
| 8 | ALISOFT | 431 |
| 9 | VE-CSVE-LACNIC | 413 |
| 10 | Baidu | 402 |
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 | 8453 |
| 2 | United States | 4050 |
| 3 | India | 2177 |
| 4 | Russian Federation | 1852 |
| 5 | Viet Nam | 1576 |
| 6 | Brazil | 1372 |
| 7 | Indonesia | 829 |
| 8 | France | 682 |
| 9 | Taiwan | 660 |
| 10 | European Union | 581 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 313010 |
| 2 | 65000 | 209918 |
| 3 | 22 | 67717 |
| 4 | 63400 | 52892 |
| 5 | 64200 | 52825 |
| 6 | 64100 | 52785 |
| 7 | 63000 | 52597 |
| 8 | 62900 | 52595 |
| 9 | 64600 | 52580 |
| 10 | 62600 | 52573 |
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