detection period: 2025-09-10 00:00-23:59 UTC
total number of suspected botnet IPs: 21156
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19899
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 | 1524 |
| 2 | AL-3 | 1354 |
| 3 | GOOGLE-CLOUD | 1007 |
| 4 | PAN-22 | 933 |
| 5 | ASEPL-SG | 853 |
| 6 | CMNET | 710 |
| 7 | ALISOFT | 559 |
| 8 | VOLCANO-ENGINE | 466 |
| 9 | UCLOUD-HK | 437 |
| 10 | CENSY | 391 |
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 | 7243 |
| 2 | China | 4746 |
| 3 | Singapore | 1136 |
| 4 | Indonesia | 801 |
| 5 | Hong Kong | 640 |
| 6 | South Korea | 497 |
| 7 | Russian Federation | 378 |
| 8 | United Kingdom | 345 |
| 9 | India | 343 |
| 10 | European Union | 337 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 1122 | 99739 |
| 2 | 3333 | 65946 |
| 3 | 2028 | 55427 |
| 4 | 5901 | 37508 |
| 5 | 3334 | 37065 |
| 6 | 2020 | 36330 |
| 7 | 7722 | 35607 |
| 8 | 5900 | 34795 |
| 9 | 22 | 29574 |
| 10 | 222 | 19985 |
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