The host part of an Internet address, the remaining portion of the address being the network number. Internet Protocol (IP) hosts encode numbers in dotted-decimal notation, which uniquely identifies a system unit for a network.
The device host identifier, a unique alphanumeric ID. Each LXE device can interact with only one of at least 5 hosts -- LDS, TELNET, LAT, and IBM's 3270 and 5250.