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loopback address Last modified: Friday, July 20, 2001
Loopback address is a special IP number (127.0.0.1) that is designated for the software loopback interface of a machine. The loopback interface has no hardware associated with it, and it is not physically connected to a network. The loopback interface allows IT professionals to test IP software without worrying about broken or corrupted drivers or hardware.
	Related Categories Internet Networks Related Terms IP address loopback plug loopback test