Understanding IP addressing is critical to understanding how IP works. An IP address is a numeric identifier assigned to each machine on a IP network. It designates the location of the device it is assigned to on the network. This type of address is a logical software address, not a physical hardware address hard-coded in the machine or network interface card.
In the following sections, you will see how IP addresses are used to uniquely identify every machine on a network.
We're going to assume you're comfortable with binary notation and math for iTE the remainder of this discussion.
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