Fing Security
8.2#1 in network troubleshooting softwareFrom $79.99 a yearFree planAndroidiOSWebAPI
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Fing may suit home users who want to check connected devices and router risks, as well as IT consultants, MSPs, and small businesses monitoring client networks. Its always-on option is for users able to run Fing Agent on Raspberry Pi, Docker, or NAS.
You want what its maker publishes above — check its page for the details.