Do not ever think that you can cheat Google. It provides almost the majority of its service to you, it probably does not know what you do ?
Change IP to click Google's ads ? Definitely, you will be banned . Trust me !
Change IP to click Google's ads ? Definitely, you will be banned . Trust me !
This sums it up nicely
they can track you in so many ways, changing IP does nothing as they can see the mac address & geo data is identical.