detection period: 2021-10-30 00:00-23:59 UTC
total number of suspected botnet IPs: 20139
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18679
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 | DIGITALOCEAN-192-241-128-0 | 732 |
| 2 | ALISOFT | 719 |
| 3 | TencentCloud | 478 |
| 4 | VNPT-VN | 405 |
| 5 | VIETTEL-VN | 351 |
| 6 | HINET-NET | 320 |
| 7 | KORNET | 250 |
| 8 | AT-88-Z | 231 |
| 9 | LINODE-US | 217 |
| 10 | CHINANET-JX | 196 |
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 | 3685 |
| 2 | United States | 3559 |
| 3 | India | 1402 |
| 4 | Russian Federation | 1225 |
| 5 | Viet Nam | 1071 |
| 6 | Brazil | 923 |
| 7 | Indonesia | 604 |
| 8 | Taiwan | 438 |
| 9 | South Korea | 425 |
| 10 | Mexico | 375 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 169661 |
| 2 | 2208 | 142309 |
| 3 | 2214 | 135436 |
| 4 | 2899 | 116353 |
| 5 | 4822 | 108805 |
| 6 | 4634 | 107759 |
| 7 | 4722 | 107630 |
| 8 | 5022 | 106940 |
| 9 | 3322 | 102639 |
| 10 | 6791 | 101503 |