Do they have CHANNELS where they show old cartoons?

I have digital cable. It has Boomerang, which shows old school cartoons, 80's toons, and some from the 90's that haven't aired on Cartoon Network for years. It also has the Nicktoons Channel, which was showing some old school Nicktoons when I first got digital cable, but the last time I saw, there were more recent ones than the really old ones.