Localhost

Default name describing the local computer address also known as the loopback address of the computer. For example, typing: "ping localhost" would ping the local IP address of 127.0.0.1 (the loopback address).

This IP address is the local IP address and is not the IP address used by your computer to communicate with other computers on your network or the Internet.

• Information about determining your IP address can be found on document CH000483.
• Additional information about ping can be found on our ping page.

Also see: Hosts file, IP address, Loopback, Network definitions, Reserved address space