Neigbour Picking up Internet Please Help?

[Arthur]

There is a way on access-point(wifi) to block users via mac address which is hardware specific to all hardware devices in the world . Whenever the access-point(wifi) connects to a new machine it gives it an ip address . Then updates an internal table with IP address and mac address. By blocking his mac adress you can block him out permanently from connecting to your router.

If you have the user name and password it would be possible to log into your router using your browser. Check the tables from the access-point and use his mac address to block him from logging onto your network.