About
An IP network is a set of computer communicating with the TCP/IP (internet protocol suite).
The network of all network is called the Internet
In the internet age, all networks may be considered as subnet.
Properties / Concept
Id
A network is identified by the CIDR notation
Subnet
A network may be composed of several division called subnet that are connected through routers.
Address space
The address space is the number of possible ip address on the network.