UpnpService UPnP = Universal Plug and Play It’s a protocol that lets UPnP-enabled devices on your network automatically discover and communicate with each other For example it works with the Xiaomi Network Speaker (and probably a lot more Xiaomi IoT stuff) UPnP has a lot of security issues and you proably should disable it on your router. https://nakedsecurity.sophos.com/2020/06/10/billions-of-devices-affected-by-upnp-vulnerability/ This package is the Xiaomi implementation on Android (no AOSP support)
Phones target this application