detection period: 2025-09-02 00:00-23:59 UTC
total number of suspected botnet IPs: 20592
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19454
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 | 1518 |
| 2 | AL-3 | 1250 |
| 3 | GOOGLE-CLOUD | 1016 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 836 |
| 6 | CMNET | 583 |
| 7 | VOLCANO-ENGINE | 464 |
| 8 | UCLOUD-HK | 429 |
| 9 | ALISOFT | 409 |
| 10 | CENSY | 397 |
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 | 7854 |
| 2 | China | 4312 |
| 3 | Singapore | 1088 |
| 4 | Hong Kong | 644 |
| 5 | South Korea | 541 |
| 6 | Indonesia | 461 |
| 7 | Germany | 358 |
| 8 | United Kingdom | 333 |
| 9 | European Union | 326 |
| 10 | Russian Federation | 312 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 183235 |
| 2 | 433 | 63197 |
| 3 | 3333 | 60943 |
| 4 | 5901 | 53839 |
| 5 | 32122 | 52133 |
| 6 | 33333 | 51931 |
| 7 | 23 | 50258 |
| 8 | 2222 | 41067 |
| 9 | 5902 | 39307 |
| 10 | 22 | 25910 |
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