detection period: 2021-12-13 00:00-23:59 UTC
total number of suspected botnet IPs: 21438
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19717
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 | 696 |
| 2 | ALISOFT | 631 |
| 3 | VNPT-VN | 511 |
| 4 | VIETTEL-VN | 417 |
| 5 | HINET-NET | 319 |
| 6 | CMNET | 296 |
| 7 | TencentCloud | 276 |
| 8 | BSNLNET | 250 |
| 9 | TELKOMNET | 230 |
| 10 | AFRINIC-042005 | 210 |
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 | United States | 3696 |
| 2 | China | 3423 |
| 3 | India | 1583 |
| 4 | Russian Federation | 1415 |
| 5 | Viet Nam | 1256 |
| 6 | Brazil | 1026 |
| 7 | Indonesia | 692 |
| 8 | Thailand | 601 |
| 9 | Taiwan | 428 |
| 10 | Mexico | 400 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 587 | 100807 |
| 2 | 1122 | 93050 |
| 3 | 445 | 81204 |
| 4 | 10033 | 50933 |
| 5 | 222 | 47515 |
| 6 | 9222 | 46728 |
| 7 | 5900 | 44809 |
| 8 | 8222 | 40157 |
| 9 | 10022 | 37045 |
| 10 | 220 | 36490 |
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