detection period: 2025-10-23 00:00-23:59 UTC
total number of suspected botnet IPs: 20754
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 19592
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 | 1510 |
| 2 | AL-3 | 1185 |
| 3 | GOOGLE-CLOUD | 1009 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 753 |
| 6 | CMNET | 680 |
| 7 | VOLCANO-ENGINE | 533 |
| 8 | UCLOUD-HK | 440 |
| 9 | ALISOFT | 419 |
| 10 | CENSY | 377 |
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 | 8163 |
| 2 | China | 4956 |
| 3 | Singapore | 974 |
| 4 | Hong Kong | 618 |
| 5 | United Kingdom | 445 |
| 6 | Indonesia | 400 |
| 7 | India | 379 |
| 8 | France | 324 |
| 9 | Germany | 303 |
| 10 | South Korea | 294 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 232194 |
| 2 | 9999 | 63791 |
| 3 | 3352 | 59777 |
| 4 | 56874 | 57439 |
| 5 | 5902 | 43144 |
| 6 | 5022 | 41691 |
| 7 | 5901 | 25911 |
| 8 | 2197 | 23246 |
| 9 | 22 | 23018 |
| 10 | 2067 | 21681 |
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