detection period: 2025-08-20 00:00-23:59 UTC
total number of suspected botnet IPs: 18522
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17357
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 | 1522 |
| 2 | AL-3 | 1267 |
| 3 | GOOGLE-CLOUD | 1007 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 828 |
| 6 | VOLCANO-ENGINE | 472 |
| 7 | ALISOFT | 439 |
| 8 | KORNET-KR | 419 |
| 9 | CENSY | 395 |
| 10 | UCLOUD-HK | 349 |
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 | 7048 |
| 2 | China | 3521 |
| 3 | Singapore | 1084 |
| 4 | South Korea | 609 |
| 5 | Hong Kong | 575 |
| 6 | Russian Federation | 374 |
| 7 | Indonesia | 370 |
| 8 | Taiwan | 359 |
| 9 | European Union | 332 |
| 10 | Germany | 330 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 140440 |
| 2 | 2255 | 121007 |
| 3 | 3333 | 93440 |
| 4 | 10222 | 63910 |
| 5 | 33333 | 52831 |
| 6 | 5901 | 51850 |
| 7 | 2244 | 50233 |
| 8 | 6003 | 43505 |
| 9 | 6001 | 43139 |
| 10 | 6002 | 40503 |
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