detection period: 2025-09-19 00:00-23:59 UTC
total number of suspected botnet IPs: 19846
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18690
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 | 1484 |
| 2 | AL-3 | 1305 |
| 3 | GOOGLE-CLOUD | 1108 |
| 4 | PAN-22 | 941 |
| 5 | ASEPL-SG | 872 |
| 6 | CMNET | 601 |
| 7 | ALISOFT | 494 |
| 8 | VOLCANO-ENGINE | 490 |
| 9 | UCLOUD-HK | 409 |
| 10 | CENSY | 395 |
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 | 7337 |
| 2 | China | 4727 |
| 3 | Singapore | 1108 |
| 4 | Hong Kong | 591 |
| 5 | South Korea | 421 |
| 6 | Indonesia | 397 |
| 7 | European Union | 374 |
| 8 | United Kingdom | 321 |
| 9 | Russian Federation | 315 |
| 10 | Viet Nam | 295 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 105449 |
| 2 | 3333 | 61579 |
| 3 | 5522 | 54156 |
| 4 | 6622 | 50715 |
| 5 | 5022 | 36929 |
| 6 | 6008 | 34867 |
| 7 | 6009 | 33970 |
| 8 | 4444 | 29663 |
| 9 | 3334 | 29192 |
| 10 | 6007 | 27357 |
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