detection period: 2025-08-28 00:00-23:59 UTC
total number of suspected botnet IPs: 21643
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20046
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 | 1551 |
| 2 | AL-3 | 1318 |
| 3 | GOOGLE-CLOUD | 1018 |
| 4 | PAN-22 | 952 |
| 5 | ASEPL-SG | 859 |
| 6 | VOLCANO-ENGINE | 464 |
| 7 | ALISOFT | 449 |
| 8 | KORNET-KR | 412 |
| 9 | CENSY | 400 |
| 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 | 8692 |
| 2 | China | 3809 |
| 3 | Singapore | 1088 |
| 4 | South Korea | 614 |
| 5 | Hong Kong | 562 |
| 6 | Russian Federation | 378 |
| 7 | United Kingdom | 377 |
| 8 | Indonesia | 308 |
| 9 | Viet Nam | 287 |
| 10 | Romania | 285 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 177339 |
| 2 | 3333 | 74468 |
| 3 | 12122 | 54288 |
| 4 | 1122 | 53766 |
| 5 | 33333 | 52686 |
| 6 | 22322 | 48373 |
| 7 | 6001 | 42463 |
| 8 | 5901 | 42164 |
| 9 | 2211 | 40965 |
| 10 | 6003 | 38738 |
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