detection period: 2025-10-22 00:00-23:59 UTC
total number of suspected botnet IPs: 21259
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20011
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 | 1534 |
| 2 | AL-3 | 1175 |
| 3 | GOOGLE-CLOUD | 1001 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 766 |
| 6 | CMNET | 669 |
| 7 | VOLCANO-ENGINE | 541 |
| 8 | UCLOUD-HK | 464 |
| 9 | ALISOFT | 428 |
| 10 | CENSY | 383 |
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 | 7821 |
| 2 | China | 5218 |
| 3 | Singapore | 979 |
| 4 | Hong Kong | 638 |
| 5 | Indonesia | 462 |
| 6 | United Kingdom | 462 |
| 7 | India | 395 |
| 8 | France | 338 |
| 9 | Germany | 317 |
| 10 | South Korea | 291 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 165577 |
| 2 | 9999 | 68342 |
| 3 | 56874 | 59900 |
| 4 | 5902 | 43796 |
| 5 | 5022 | 39799 |
| 6 | 2067 | 36359 |
| 7 | 22 | 25723 |
| 8 | 5901 | 25244 |
| 9 | 3001 | 23074 |
| 10 | 22600 | 22652 |
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