Checkout the Traffic Management page to make sure: http://www.virginmedia.com/help/traffic-management.php
Also, do you have a wireless router? Maybe someone is leaching off your connection. Best thing to do if you do have a wireless router is to either disable the wireless side of things, or if you use wireless, use mac address filtering.
Also, do you have a wireless router? Maybe someone is leaching off your connection. Best thing to do if you do have a wireless router is to either disable the wireless side of things, or if you use wireless, use mac address filtering.