detection period: 2025-10-13 00:00-23:59 UTC
total number of suspected botnet IPs: 20059
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 18699
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 | 1494 |
| 2 | AL-3 | 1203 |
| 3 | GOOGLE-CLOUD | 996 |
| 4 | PAN-22 | 948 |
| 5 | ASEPL-SG | 820 |
| 6 | VOLCANO-ENGINE | 593 |
| 7 | CMNET | 512 |
| 8 | ALISOFT | 498 |
| 9 | CENSY | 398 |
| 10 | UCLOUD-HK | 373 |
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 | 7326 |
| 2 | China | 4631 |
| 3 | Singapore | 1031 |
| 4 | Hong Kong | 543 |
| 5 | Indonesia | 484 |
| 6 | India | 394 |
| 7 | United Kingdom | 351 |
| 8 | Russian Federation | 349 |
| 9 | South Korea | 326 |
| 10 | Viet Nam | 312 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 133315 |
| 2 | 1313 | 112710 |
| 3 | 2023 | 92841 |
| 4 | 56874 | 56571 |
| 5 | 1000 | 55576 |
| 6 | 5902 | 42336 |
| 7 | 5431 | 35986 |
| 8 | 5433 | 35846 |
| 9 | 55651 | 35733 |
| 10 | 6022 | 32196 |
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