SUBNETTING (important) - Dleifnesor/Networking-150 GitHub Wiki

The subnet mask uses 1s and 0s to indicate that the corresponding bits on the ip address are reserved for the network id and the rest for the host id

Network prefixes The address is followed by a number that represents the number of bits beginning fom the left that apply to a network a slash (/) is used to separate the address and the prefix length

{060245BA-7A75-434B-89D4-BE4F415C4B44}