detection period: 2025-08-19 00:00-23:59 UTC
total number of suspected botnet IPs: 19510
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18131
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 | 1525 |
| 2 | AL-3 | 1280 |
| 3 | GOOGLE-CLOUD | 1009 |
| 4 | PAN-22 | 956 |
| 5 | ASEPL-SG | 877 |
| 6 | KORNET-KR | 488 |
| 7 | VOLCANO-ENGINE | 460 |
| 8 | ALISOFT | 457 |
| 9 | CENSY | 393 |
| 10 | UCLOUD-HK | 348 |
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 | 7892 |
| 2 | China | 3227 |
| 3 | Singapore | 1142 |
| 4 | South Korea | 715 |
| 5 | Hong Kong | 565 |
| 6 | Taiwan | 409 |
| 7 | Indonesia | 376 |
| 8 | Russian Federation | 371 |
| 9 | European Union | 335 |
| 10 | United Kingdom | 332 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 148511 |
| 2 | 2255 | 120563 |
| 3 | 3333 | 88779 |
| 4 | 7890 | 66025 |
| 5 | 10222 | 60562 |
| 6 | 666 | 57182 |
| 7 | 33333 | 52226 |
| 8 | 5901 | 51132 |
| 9 | 888 | 49260 |
| 10 | 2244 | 48960 |
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