IP address

IP address

noun Computers.
a code that identifies a computer network or a particular computer or other device on a network, consisting of four numbers separated by periods. See also IP.
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World English Dictionary
IP address
 
n
computing internet protocol address: the numeric code that identifies all computers that are connected to the internet

Collins English Dictionary - Complete & Unabridged 10th Edition
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Science Dictionary
IP address  
The numerical sequence that serves as an identifier for an Internet server. An IP address appears as a series of four groups of numbers separated by dots. The first group is a number between 1 and 255 and the other groups are a number between 0 and 255, such as 192.135.174.1. Every server has its own unique address.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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FOLDOC
Computing Dictionary

IP address definition

networking
(Internet address) The 32-bit number uniquely identifying a node on a network using Internet Protocol, as defined in STD 5, RFC 791. An IP address is normally displayed in dotted decimal notation, e.g. 128.121.4.5.
The address can be split into a network number (or network address) and a host number unique to each host on the network and sometimes also a subnet address.
The way the address is split depends on its "class", A, B or C (but see also CIDR). The class is determined by the high address bits:
Class A - high bit 0, 7-bit network number, 24-bit host number. n1.a.a.a 0 Class B - high 2 bits 10, 14-bit network number, 16-bit host number. n1.n2.a.a 128 Class C - high 3 bits 110, 21-bit network number, 8-bit host number. n1.n2.n3.a 192 DNS translates a node's fully qualified domain name to an Internet address which ARP (or constant mapping) translates to an Ethernet address.
[Jargon File]
(2006-01-27)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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