detection period: 2021-03-01 00:00-23:59 UTC
total number of suspected botnet IPs: 37931
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 35006
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 | 1967 |
| 2 | VNPT-VN | 965 |
| 3 | TENCENT-CN | 794 |
| 4 | VIETTEL-VN | 739 |
| 5 | DIGITALOCEAN-192-241-128-0 | 658 |
| 6 | HINET-NET | 610 |
| 7 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 604 |
| 8 | ALISOFT | 548 |
| 9 | TELKOMNET | 411 |
| 10 | VE-CSVE-LACNIC | 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 | 8685 |
| 2 | United States | 4648 |
| 3 | India | 2591 |
| 4 | Viet Nam | 2275 |
| 5 | Russian Federation | 1973 |
| 6 | Brazil | 1762 |
| 7 | Indonesia | 1229 |
| 8 | Thailand | 795 |
| 9 | Taiwan | 777 |
| 10 | France | 686 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 481413 |
| 2 | 22 | 85508 |
| 3 | 25 | 78252 |
| 4 | 2720 | 50108 |
| 5 | 26 | 35228 |
| 6 | 23 | 33488 |
| 7 | 1433 | 27202 |
| 8 | 1720 | 25552 |
| 9 | 1022 | 17425 |
| 10 | 5900 | 15223 |