Install avahi-discover by entering the following commands in the terminal:
sudo apt update sudo apt install avahi-discover
Service discover user interface for avahi
Avahi is a fully LGPL framework for Multicast DNS Service Discovery. It allows programs to publish and discover services and hosts running on a local network with no specific configuration. For example you can plug into a network and instantly find printers to print to, files to look at and people to talk to. . This package contains a user interface for discovering services.