detection period: 2025-10-09 00:00-23:59 UTC
total number of suspected botnet IPs: 21186
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19738
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 | 1578 |
| 2 | AL-3 | 1218 |
| 3 | GOOGLE-CLOUD | 1008 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 809 |
| 6 | CMNET | 670 |
| 7 | VOLCANO-ENGINE | 588 |
| 8 | ALISOFT | 476 |
| 9 | UCLOUD-HK | 411 |
| 10 | CENSY | 399 |
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 | 7967 |
| 2 | China | 4681 |
| 3 | Singapore | 1142 |
| 4 | Hong Kong | 618 |
| 5 | Indonesia | 477 |
| 6 | Russian Federation | 390 |
| 7 | India | 387 |
| 8 | South Korea | 375 |
| 9 | United Kingdom | 362 |
| 10 | Viet Nam | 332 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 101307 |
| 2 | 7777 | 89535 |
| 3 | 2021 | 85838 |
| 4 | 8888 | 81776 |
| 5 | 50002 | 52055 |
| 6 | 5433 | 45238 |
| 7 | 5431 | 45229 |
| 8 | 5902 | 43735 |
| 9 | 1000 | 40850 |
| 10 | 1010 | 32960 |
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