detection period: 2025-10-05 00:00-23:59 UTC
total number of suspected botnet IPs: 21357
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19951
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 | 1556 |
| 2 | AL-3 | 1215 |
| 3 | GOOGLE-CLOUD | 1007 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 824 |
| 6 | CMNET | 703 |
| 7 | VOLCANO-ENGINE | 581 |
| 8 | ALISOFT | 466 |
| 9 | CENSY | 389 |
| 10 | UCLOUD-HK | 329 |
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 | 8164 |
| 2 | China | 4833 |
| 3 | Singapore | 1073 |
| 4 | Hong Kong | 539 |
| 5 | South Korea | 389 |
| 6 | India | 382 |
| 7 | United Kingdom | 382 |
| 8 | Russian Federation | 372 |
| 9 | Indonesia | 366 |
| 10 | Netherlands | 309 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 324377 |
| 2 | 6622 | 94783 |
| 3 | 2021 | 90685 |
| 4 | 11011 | 74516 |
| 5 | 5902 | 49209 |
| 6 | 3232 | 41290 |
| 7 | 9999 | 40726 |
| 8 | 5901 | 29901 |
| 9 | 8822 | 29364 |
| 10 | 23 | 29170 |
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