detection period: 2025-09-24 00:00-23:59 UTC
total number of suspected botnet IPs: 22481
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 21056
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 | 1502 |
| 2 | AL-3 | 1335 |
| 3 | GOOGLE-CLOUD | 1010 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 923 |
| 6 | CMNET | 800 |
| 7 | VOLCANO-ENGINE | 558 |
| 8 | ALISOFT | 507 |
| 9 | UCLOUD-HK | 417 |
| 10 | CENSY | 392 |
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 | 7511 |
| 2 | China | 5573 |
| 3 | Singapore | 1237 |
| 4 | Hong Kong | 657 |
| 5 | Indonesia | 526 |
| 6 | South Korea | 502 |
| 7 | India | 430 |
| 8 | European Union | 408 |
| 9 | United Kingdom | 380 |
| 10 | Russian Federation | 378 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 327452 |
| 2 | 5902 | 43347 |
| 3 | 5022 | 40020 |
| 4 | 3022 | 20953 |
| 5 | 20220 | 18393 |
| 6 | 23 | 18282 |
| 7 | 22 | 16920 |
| 8 | 1433 | 15204 |
| 9 | 6001 | 14173 |
| 10 | 5901 | 13923 |
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