detection period: 2025-09-26 00:00-23:59 UTC
total number of suspected botnet IPs: 22993
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 21439
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 | 1528 |
| 2 | AL-3 | 1276 |
| 3 | GOOGLE-CLOUD | 1017 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 880 |
| 6 | CMNET | 834 |
| 7 | VOLCANO-ENGINE | 562 |
| 8 | ALISOFT | 515 |
| 9 | UCLOUD-HK | 420 |
| 10 | CENSY | 397 |
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 | 7813 |
| 2 | China | 5536 |
| 3 | Singapore | 1173 |
| 4 | Hong Kong | 646 |
| 5 | South Korea | 514 |
| 6 | India | 443 |
| 7 | Indonesia | 433 |
| 8 | United Kingdom | 374 |
| 9 | Russian Federation | 360 |
| 10 | European Union | 355 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 356786 |
| 2 | 5902 | 52189 |
| 3 | 9999 | 33453 |
| 4 | 3022 | 22072 |
| 5 | 6001 | 19577 |
| 6 | 5901 | 19265 |
| 7 | 23 | 19013 |
| 8 | 13822 | 18969 |
| 9 | 12822 | 18946 |
| 10 | 22 | 18854 |
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