Wiktionary
classful
a. (context computing internet English) Of or relating to a network-addressing architecture that divides the address space into a number of classes.
Usage examples of "classful".
I remember hearing tales of a man who threw a classful of novices at the late, unlamented Duke of York's troops to get a chance to save my father's lifeand my ownand how many of them survived?
Maybe because I thought of what it would feel like, to invite a classful of kids to your birthday party, offer to feed them ice cream and cake and they wouldn’t even have to bring a present, and have every one of them say no.