detection period: 2025-09-01 00:00-23:59 UTC
total number of suspected botnet IPs: 19720
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18485
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 | 1532 |
| 2 | AL-3 | 1238 |
| 3 | GOOGLE-CLOUD | 1010 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 833 |
| 6 | CMNET | 553 |
| 7 | VOLCANO-ENGINE | 452 |
| 8 | ALISOFT | 438 |
| 9 | CENSY | 395 |
| 10 | UCLOUD-HK | 365 |
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 | 7443 |
| 2 | China | 4290 |
| 3 | Singapore | 1102 |
| 4 | Hong Kong | 566 |
| 5 | South Korea | 474 |
| 6 | Indonesia | 333 |
| 7 | European Union | 328 |
| 8 | India | 324 |
| 9 | Russian Federation | 307 |
| 10 | United Kingdom | 306 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 171805 |
| 2 | 2229 | 113414 |
| 3 | 10033 | 99139 |
| 4 | 3333 | 60573 |
| 5 | 5902 | 59859 |
| 6 | 7001 | 53385 |
| 7 | 5901 | 53259 |
| 8 | 33333 | 52302 |
| 9 | 32122 | 52151 |
| 10 | 1122 | 43926 |
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