detection period: 2025-05-26 00:00-23:59 UTC
total number of suspected botnet IPs: 22271
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20536
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 | AL-3 | 1465 |
| 2 | MSFT | 1200 |
| 3 | ASEPL-SG | 1071 |
| 4 | GOOGLE-CLOUD | 982 |
| 5 | PAN-22 | 945 |
| 6 | KORNET-KR | 829 |
| 7 | BSNLNET | 542 |
| 8 | ALISOFT | 485 |
| 9 | HURRICANE-4 | 439 |
| 10 | VOLCANO-ENGINE | 433 |
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 | 7789 |
| 2 | China | 5207 |
| 3 | Singapore | 1230 |
| 4 | India | 1068 |
| 5 | South Korea | 1055 |
| 6 | Hong Kong | 514 |
| 7 | Russian Federation | 356 |
| 8 | Indonesia | 327 |
| 9 | European Union | 311 |
| 10 | Viet Nam | 305 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 3022 | 62749 |
| 2 | 2822 | 61833 |
| 3 | 2722 | 60454 |
| 4 | 2922 | 60000 |
| 5 | 5022 | 37676 |
| 6 | 23 | 23626 |
| 7 | 22 | 21411 |
| 8 | 8005 | 20610 |
| 9 | 5900 | 19486 |
| 10 | 4322 | 18616 |
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