detection period: 2021-12-29 00:00-23:59 UTC
total number of suspected botnet IPs: 18827
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17260
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 | 832 |
| 2 | DIGITALOCEAN-192-241-128-0 | 693 |
| 3 | VNPT-VN | 449 |
| 4 | VIETTEL-VN | 377 |
| 5 | HINET-NET | 327 |
| 6 | CMNET | 301 |
| 7 | TencentCloud | 272 |
| 8 | BSNLNET | 255 |
| 9 | TELKOMNET | 210 |
| 10 | LINODE-US | 207 |
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 | 3384 |
| 2 | United States | 2790 |
| 3 | India | 1448 |
| 4 | Russian Federation | 1361 |
| 5 | Viet Nam | 1143 |
| 6 | Brazil | 935 |
| 7 | Indonesia | 611 |
| 8 | Thailand | 469 |
| 9 | Taiwan | 441 |
| 10 | Mexico | 362 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 4001 | 108267 |
| 2 | 3389 | 95109 |
| 3 | 5001 | 87634 |
| 4 | 11322 | 87392 |
| 5 | 11422 | 86986 |
| 6 | 5900 | 79878 |
| 7 | 445 | 71985 |
| 8 | 4444 | 67777 |
| 9 | 11822 | 58944 |
| 10 | 12522 | 58102 |
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