detection period: 2025-09-12 00:00-23:59 UTC
total number of suspected botnet IPs: 20621
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19415
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 | 1527 |
| 2 | AL-3 | 1330 |
| 3 | GOOGLE-CLOUD | 1018 |
| 4 | PAN-22 | 934 |
| 5 | ASEPL-SG | 840 |
| 6 | CMNET | 579 |
| 7 | ALISOFT | 523 |
| 8 | VOLCANO-ENGINE | 483 |
| 9 | UCLOUD-HK | 431 |
| 10 | CENSY | 387 |
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 | 7473 |
| 2 | China | 4698 |
| 3 | Singapore | 1112 |
| 4 | Hong Kong | 622 |
| 5 | Indonesia | 555 |
| 6 | South Korea | 473 |
| 7 | European Union | 383 |
| 8 | Russian Federation | 357 |
| 9 | India | 326 |
| 10 | United Kingdom | 326 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 1122 | 100530 |
| 2 | 5900 | 67088 |
| 3 | 6011 | 65944 |
| 4 | 220 | 53457 |
| 5 | 3333 | 52377 |
| 6 | 5901 | 49836 |
| 7 | 5902 | 34255 |
| 8 | 5522 | 28468 |
| 9 | 22 | 25204 |
| 10 | 3334 | 24055 |
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