I forgot about the sudoers options.I'd do some experiments over the weekend. Maybe I can add a new scanning mode to the script. Also I think a config file is necessary.

I'm not a Windows user either (at home) but the other guys I share the apartment with are. Would arp work without root (or sudo) ? The other commands I researched required root, and I really don't want to give that kind of permissions to the users this runs under.

Since I share my internet connection with other people I started using Deluge's bandwidth scheduler plugin to avoid hogging the connections (and avoid conflicts) I set Deluge max to 60KBps, and on the evening hours it goes down to 40KBps. But during the day, even this seemed wasteful if no one was h...