What is an IP Address?
IP Address or Internet Protocol Address is a unique number that is assigned to each computer or device that connected to public Internet. An IP address consists of four numbers separated by periods. Each number can be zero to 255. For example, 127.0.0.1 is an IP address.
An IP address allows each computer (or other digital device) to communicate with another via the Internet. Moreover, an IP address also uses to identify the region or country from which a computer or device is connecting to the public Internet.
IP address can be static or dynamic. Static IP address does not change while dynamic IP address changes each time the computer accesses the Internet.
Static IP Address is permanent and assigned to one computer. It is usually preferable for users such as Voice over Internet Protocol (VoIP), online gaming, or other purpose which they want to make other computer easy to locate and connect to.
Dynamic IP Address is temporary and assigned each time the computer accesses the Internet. It took from a pool of IP addresses that are shared among many computers. Since there is a limited of static IP address, many Internet Service Providers (ISPs) use their assigned IP address for sharing among their subscribers. This can help them save the costs and serve more subscribers.