Knowing how an IP address identifies a host on a network can be confusing. Before you begin calculating various addresses, you should know the fundamentals of IP addressing. Todd Lammle describes this ...

Every device that connects to the Internet has its own Internet Protocol (IP) address. IP addresses make it possible, among other things, for computers from different networks to find each other. IP ...

Networks, and the internet, don't identify computers (of any size, even your smartphone) by the name you give them. Computers prefer numbers, and the numbers they use as identifiers are called IP ...