detection period: 2025-10-17 00:00-23:59 UTC
total number of suspected botnet IPs: 18713
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17593
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 | 1479 |
| 2 | AL-3 | 1214 |
| 3 | GOOGLE-CLOUD | 1012 |
| 4 | PAN-22 | 951 |
| 5 | ASEPL-SG | 908 |
| 6 | CMNET | 560 |
| 7 | VOLCANO-ENGINE | 537 |
| 8 | ALISOFT | 435 |
| 9 | UCLOUD-HK | 411 |
| 10 | CENSY | 379 |
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 | 6901 |
| 2 | China | 4316 |
| 3 | Singapore | 1081 |
| 4 | Hong Kong | 597 |
| 5 | Indonesia | 393 |
| 6 | Viet Nam | 321 |
| 7 | South Korea | 319 |
| 8 | United Kingdom | 311 |
| 9 | Germany | 302 |
| 10 | Russian Federation | 294 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 191252 |
| 2 | 56874 | 68143 |
| 3 | 5580 | 46550 |
| 4 | 5902 | 44224 |
| 5 | 5014 | 36712 |
| 6 | 5901 | 24873 |
| 7 | 259 | 24752 |
| 8 | 7722 | 22411 |
| 9 | 5903 | 21253 |
| 10 | 22 | 19559 |
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