detection period: 2025-10-27 00:00-23:59 UTC
total number of suspected botnet IPs: 21880
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20537
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 | 1576 |
| 2 | AL-3 | 1212 |
| 3 | GOOGLE-CLOUD | 993 |
| 4 | PAN-22 | 944 |
| 5 | ASEPL-SG | 789 |
| 6 | CMNET | 636 |
| 7 | VOLCANO-ENGINE | 602 |
| 8 | ALISOFT | 436 |
| 9 | CENSY | 382 |
| 10 | UCLOUD-HK | 361 |
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 | 7796 |
| 2 | China | 5446 |
| 3 | Singapore | 992 |
| 4 | Hong Kong | 553 |
| 5 | Indonesia | 501 |
| 6 | United Kingdom | 362 |
| 7 | Germany | 349 |
| 8 | India | 344 |
| 9 | Russian Federation | 343 |
| 10 | South Korea | 326 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 451829 |
| 2 | 9999 | 72627 |
| 3 | 56874 | 58950 |
| 4 | 9851 | 55780 |
| 5 | 5902 | 42805 |
| 6 | 22 | 34457 |
| 7 | 2025 | 25805 |
| 8 | 5901 | 22878 |
| 9 | 20241 | 22079 |
| 10 | 6628 | 21245 |
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