IP number ==>
Internet address definition
<networking> (IP 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
represented 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 <= n1 <= 127
Class B - high 2 bits 10, 14-bit network number, 16-bit host
number. n1.n2.a.a 128 <= n1 <= 191
Class C - high 3 bits 110, 21-bit network number, 8-bit host
number. n1.n2.n3.a 192 <= n1 <= 223
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)
Nearby terms:
internet « Internet Access Provider « Internet Adapter « Internet address » internet address » Internet Architecture Board » Internet Assigned Numbers Authority
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