detection period: 2025-08-31 00:00-23:59 UTC
total number of suspected botnet IPs: 19201
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18094
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 | 1532 |
| 2 | AL-3 | 1276 |
| 3 | GOOGLE-CLOUD | 1015 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 839 |
| 6 | VOLCANO-ENGINE | 434 |
| 7 | ALISOFT | 434 |
| 8 | CMNET | 423 |
| 9 | CENSY | 393 |
| 10 | KORNET-KR | 370 |
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 | 7698 |
| 2 | China | 4244 |
| 3 | Singapore | 1091 |
| 4 | Hong Kong | 555 |
| 5 | South Korea | 533 |
| 6 | European Union | 313 |
| 7 | United Kingdom | 308 |
| 8 | Russian Federation | 292 |
| 9 | India | 270 |
| 10 | Viet Nam | 262 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 171738 |
| 2 | 9888 | 66885 |
| 3 | 3333 | 58981 |
| 4 | 33333 | 52635 |
| 5 | 32122 | 48522 |
| 6 | 1122 | 47075 |
| 7 | 6001 | 44713 |
| 8 | 5901 | 44491 |
| 9 | 6003 | 40695 |
| 10 | 6000 | 39702 |
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