Logical Addressing In Networking. An ipv4 address is 32 bits long and uniquely and universally defines a host or router on the internet. 19.15 in classful addressing, a large part of the available addresses were wasted.

When these parcels (logical packets), go off the island they must use a boat or plane (network gateways or routers) to transfer their payload to. How many addresses are granted? Network address is always configured on network.