detection period: 2025-09-03 00:00-23:59 UTC
total number of suspected botnet IPs: 20533
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19183
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 | 1485 |
| 2 | AL-3 | 1264 |
| 3 | GOOGLE-CLOUD | 1015 |
| 4 | PAN-22 | 950 |
| 5 | ASEPL-SG | 847 |
| 6 | CMNET | 613 |
| 7 | VOLCANO-ENGINE | 463 |
| 8 | UCLOUD-HK | 431 |
| 9 | ALISOFT | 413 |
| 10 | CENSY | 389 |
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 | 7431 |
| 2 | China | 4410 |
| 3 | Singapore | 1106 |
| 4 | Hong Kong | 609 |
| 5 | South Korea | 491 |
| 6 | Indonesia | 456 |
| 7 | Russian Federation | 343 |
| 8 | European Union | 339 |
| 9 | United Kingdom | 317 |
| 10 | India | 294 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 164546 |
| 2 | 1122 | 93765 |
| 3 | 3333 | 57182 |
| 4 | 5901 | 54874 |
| 5 | 32122 | 47430 |
| 6 | 33333 | 47027 |
| 7 | 433 | 39276 |
| 8 | 5902 | 39193 |
| 9 | 9322 | 35914 |
| 10 | 23 | 28315 |
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