Difference between revisions of "IP address"
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| − | An [[IP address]] (Internet Protocol address) is a set of numbers used within the [[TCP/IP]] network protocol to identify a particular connection on a network (such as the internet). Addresses within [[IPv4]], the current standard, consist of 4 bytes expressed in decimal and separated by a period, e.g. 192.168.0.1. IPv6 addresses are somewhat more complicated. {{seed}} | + | An [[IP address]] (Internet Protocol address) is a set of numbers used within the [[TCP/IP]] network protocol to identify a particular connection on a network (such as the internet). Addresses within [[IPv4]], the current standard, consist of 4 bytes expressed in decimal and separated by a period, e.g. 192.168.0.1. [[IPv6]] addresses are somewhat more complicated. {{seed}} |
| + | ==Special Addresses== | ||
| + | Certain addresses within IPv4 are reserved for particular uses, and are treated differently. Some of the most commonly-used reserved addresses are: | ||
| + | {| | ||
| + | |- | ||
| + | | '''127.0.0.1''' || [[localhost]] (i.e. the machine issuing the request) | ||
| + | |- | ||
| + | | '''192.168.x.x''' || internal addresses for [[Network Address Translation]] | ||
| + | |- | ||
| + | | '''255.255.255.255''' || broadcast | ||
| + | |} | ||
| + | |||
| + | A more complete list is available on {{wikipedia|IP address}}. | ||
==Reference== | ==Reference== | ||
| − | {{wikipedia|IP address}} | + | * {{wikipedia|IP address}} |
Latest revision as of 20:29, 15 August 2006
An IP address (Internet Protocol address) is a set of numbers used within the TCP/IP network protocol to identify a particular connection on a network (such as the internet). Addresses within IPv4, the current standard, consist of 4 bytes expressed in decimal and separated by a period, e.g. 192.168.0.1. IPv6 addresses are somewhat more complicated.
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Special Addresses
Certain addresses within IPv4 are reserved for particular uses, and are treated differently. Some of the most commonly-used reserved addresses are:
| 127.0.0.1 | localhost (i.e. the machine issuing the request) |
| 192.168.x.x | internal addresses for Network Address Translation |
| 255.255.255.255 | broadcast |
A more complete list is available on Wikipedia.