Category "subnet"

Go - check if IP address is in a network

Given: a network address A: (172.17.0.0/16) and an IP address from a host B: (172.17.0.2/16) how can we say if B is in A? All addresses are string variables in

CIDR vs Classful subnetting

I was studying about Classful addressing with subnetting and Classless addressing but I am not able to clearly understand the difference/advantages between the