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What's My IP Address
IP address checker

What's An IP Address?

An Internet Protocol address (IP Address) is a numerical label that is assigned to any device on a computer network that uses the Internet Protocol for communication between its nodes.

Every PC that connects to a network will have an IP Address. Sometimes it as handy, or necessary to know what your IP Address is.

Some IP addresses are static, which means they never change. Other IP Addresses are dynamic, which means the number assigned to your machine today may not be the same next time the device connects to the network.

As you can see, your PC IP Address is listed above. Check back again later to see if this changes, or if it is static.

Internet Protocol Terms

DHCP - (Dynamic Host Configuration Protocol)
DHCP is a protocol by which a machine can obtain an IP number from a server on the local network.

DNS - (Domain Name System)
The Domain Name System is the system that translates Internet domain names into IP numbers. A "DNS Server" is a server that performs this kind of translation.

Host
Any computer on a network that is a repository for services available to other computers on the network is known as a host.

IP Number - (Internet Protocol Number)
A unique number consisting of 4 parts separated by dots, e.g. 192.168.1.1 - Every machine that is on the Internet has a unique IP number is assigned. Also known is the I.P address.

Protocol
On the Internet "protocol" usually refers to a set of rules that define an exact format for communication between systems.

TCP/IP - (Transmission Control Protocol / Internet Protocol)
This is the suite of protocols that defines the Internet. To be truly on the Internet, your computer must have TCP/IP software.