detection period: 2025-12-15 00:00-23:59 UTC
total number of suspected botnet IPs: 22091
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20764
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 | MSFT | 1429 |
| 2 | AL-3 | 1066 |
| 3 | GOOGLE-CLOUD | 1004 |
| 4 | PAN-22 | 940 |
| 5 | BYTEPLUS-SG | 880 |
| 6 | ASEPL-SG | 682 |
| 7 | CMNET | 565 |
| 8 | VOLCANO-ENGINE | 539 |
| 9 | ALISOFT | 460 |
| 10 | CENSY | 372 |
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 | 7631 |
| 2 | China | 5634 |
| 3 | Singapore | 1843 |
| 4 | Hong Kong | 434 |
| 5 | Indonesia | 394 |
| 6 | India | 371 |
| 7 | South Korea | 364 |
| 8 | Russian Federation | 339 |
| 9 | United Kingdom | 333 |
| 10 | Brazil | 305 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 4242 | 115493 |
| 2 | 5900 | 80900 |
| 3 | 9999 | 73287 |
| 4 | 1986 | 72247 |
| 5 | 7022 | 69117 |
| 6 | 7722 | 66598 |
| 7 | 4422 | 66185 |
| 8 | 5555 | 64794 |
| 9 | 22 | 57442 |
| 10 | 1122 | 55176 |
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