detection period: 2021-12-18 00:00-23:59 UTC
total number of suspected botnet IPs: 18754
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17182
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 | ALISOFT | 744 |
| 2 | DIGITALOCEAN-192-241-128-0 | 709 |
| 3 | VNPT-VN | 398 |
| 4 | CMNET | 363 |
| 5 | HINET-NET | 321 |
| 6 | TencentCloud | 319 |
| 7 | VIETTEL-VN | 299 |
| 8 | BSNLNET | 226 |
| 9 | TELKOMNET | 204 |
| 10 | LINODE-US | 202 |
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 | 3504 |
| 2 | United States | 3078 |
| 3 | India | 1312 |
| 4 | Russian Federation | 1166 |
| 5 | Viet Nam | 957 |
| 6 | Brazil | 882 |
| 7 | Indonesia | 559 |
| 8 | Taiwan | 436 |
| 9 | South Korea | 424 |
| 10 | Mexico | 383 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 6001 | 313638 |
| 2 | 2232 | 95492 |
| 3 | 3389 | 84837 |
| 4 | 9999 | 75322 |
| 5 | 445 | 68005 |
| 6 | 11022 | 60252 |
| 7 | 4444 | 51231 |
| 8 | 10122 | 47578 |
| 9 | 2211 | 42407 |
| 10 | 11000 | 42375 |
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