For the past month or so, I've seen a lot of data usage in MUM that I'm sure I'm not responsible for. I've tried changing my wireless password, disabling SSID broadcast and changing the SSID, changing my modem's admin password (it was previously still on the default password - I know, I know!), but...

I share internet with a few people and was wondering if it is possible to track bandwidth usage by IP or something? I want to see who is downloading what percentage of our monthly bandwidth allocation, so I can tell if someone is hotspotting our wireless or if one of the people I live with isn't owning...