detection period: 2025-09-28 00:00-23:59 UTC
total number of suspected botnet IPs: 22375
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20992
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 | 1536 |
| 2 | AL-3 | 1261 |
| 3 | GOOGLE-CLOUD | 1081 |
| 4 | PAN-22 | 950 |
| 5 | ASEPL-SG | 868 |
| 6 | CMNET | 806 |
| 7 | VOLCANO-ENGINE | 566 |
| 8 | ALISOFT | 483 |
| 9 | CENSY | 394 |
| 10 | UCLOUD-HK | 331 |
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 | 8145 |
| 2 | China | 5543 |
| 3 | Singapore | 1188 |
| 4 | Hong Kong | 561 |
| 5 | South Korea | 479 |
| 6 | Indonesia | 390 |
| 7 | India | 388 |
| 8 | Russian Federation | 386 |
| 9 | United Kingdom | 359 |
| 10 | European Union | 298 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 394899 |
| 2 | 2020 | 57815 |
| 3 | 5902 | 51595 |
| 4 | 8001 | 25435 |
| 5 | 3022 | 22814 |
| 6 | 1433 | 22659 |
| 7 | 5901 | 20281 |
| 8 | 22 | 18886 |
| 9 | 6001 | 18498 |
| 10 | 6000 | 18074 |
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