Not OP, but he said "device"/"router", not many of those run Windows 8. FWIW I do the same, also use that host file at the border router and yes the difference

Not OP, but he said "device"/"router", not many of those run Windows 8. FWIW I do the same, also use that host file at the border router and yes the difference is quite big. I'm always shocked about the extra adverts I see when using a computer or tablet outside of my own network.