What Does Loopback Address Mean?
A loopback address has been built into the IP domain system in order to allow for a device to send and receive its own data packets.
Techopedia Explains Loopback Address
The Loopback Interface
The loopback address is a vital component of what IT experts call a loopback interface. The loopback interface refers to the overall system by which network engineers can self-reference a device, or “ping” a device by sending its data packets back to itself.
