detection period: 2025-10-19 00:00-23:59 UTC
total number of suspected botnet IPs: 18983
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17873
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 | 1485 |
| 2 | AL-3 | 1171 |
| 3 | GOOGLE-CLOUD | 1014 |
| 4 | PAN-22 | 948 |
| 5 | ASEPL-SG | 779 |
| 6 | CMNET | 561 |
| 7 | VOLCANO-ENGINE | 556 |
| 8 | ALISOFT | 442 |
| 9 | UCLOUD-HK | 404 |
| 10 | CENSY | 378 |
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 | 7690 |
| 2 | China | 4298 |
| 3 | Singapore | 952 |
| 4 | Hong Kong | 572 |
| 5 | United Kingdom | 360 |
| 6 | Indonesia | 352 |
| 7 | Germany | 326 |
| 8 | South Korea | 284 |
| 9 | European Union | 273 |
| 10 | Viet Nam | 269 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 5900 | 181700 |
| 2 | 56874 | 67345 |
| 3 | 1146 | 55494 |
| 4 | 3220 | 51796 |
| 5 | 5902 | 43860 |
| 6 | 22 | 26213 |
| 7 | 5901 | 25656 |
| 8 | 5903 | 21450 |
| 9 | 23 | 12173 |
| 10 | 5432 | 11645 |
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