detection period: 2025-09-27 00:00-23:59 UTC
total number of suspected botnet IPs: 21945
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20579
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 | 1498 |
| 2 | AL-3 | 1282 |
| 3 | GOOGLE-CLOUD | 1053 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 879 |
| 6 | CMNET | 814 |
| 7 | VOLCANO-ENGINE | 562 |
| 8 | ALISOFT | 494 |
| 9 | CENSY | 395 |
| 10 | UCLOUD-HK | 346 |
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 | 7787 |
| 2 | China | 5513 |
| 3 | Singapore | 1165 |
| 4 | Hong Kong | 561 |
| 5 | South Korea | 497 |
| 6 | Indonesia | 402 |
| 7 | India | 397 |
| 8 | Russian Federation | 380 |
| 9 | United Kingdom | 333 |
| 10 | European Union | 313 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 336241 |
| 2 | 5902 | 51560 |
| 3 | 2020 | 50269 |
| 4 | 9999 | 31099 |
| 5 | 3022 | 21523 |
| 6 | 6001 | 19689 |
| 7 | 6000 | 18830 |
| 8 | 5901 | 18761 |
| 9 | 6003 | 18493 |
| 10 | 22 | 18417 |
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