detection period: 2025-10-06 00:00-23:59 UTC
total number of suspected botnet IPs: 20349
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18917
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 | 1555 |
| 2 | AL-3 | 1197 |
| 3 | GOOGLE-CLOUD | 1000 |
| 4 | PAN-22 | 948 |
| 5 | ASEPL-SG | 802 |
| 6 | CMNET | 683 |
| 7 | VOLCANO-ENGINE | 578 |
| 8 | ALISOFT | 444 |
| 9 | CENSY | 394 |
| 10 | UCLOUD-HK | 342 |
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 | 7200 |
| 2 | China | 4772 |
| 3 | Singapore | 1036 |
| 4 | Hong Kong | 534 |
| 5 | Indonesia | 471 |
| 6 | South Korea | 387 |
| 7 | Russian Federation | 384 |
| 8 | India | 368 |
| 9 | United Kingdom | 341 |
| 10 | Viet Nam | 312 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 213801 |
| 2 | 2021 | 86662 |
| 3 | 11011 | 74660 |
| 4 | 6622 | 63612 |
| 5 | 5902 | 51848 |
| 6 | 9999 | 46826 |
| 7 | 5901 | 29919 |
| 8 | 8822 | 28524 |
| 9 | 5431 | 24691 |
| 10 | 5433 | 24179 |
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