What is IP address – How to Login

What is IP address ?

The abbreviation IP stands for ‘Internet Protocol’. An IP address refers to a unique string of numbers, separated by full stops, that identifies each computer using the Internet Protocol to communicate over a network.

There are basically two types of IP addresses. These may be dynamic IP addresses or static IP addresses.

  • Static IP addresses, as the name suggests, do not change, and contain information such as the continent, country, city or the region where the computer is located and also the ISP (Internet Service Provider) and other technical information.

Static IP addresses are generally preferred for gaming, Voice over Internet Protocol and so on. They are often considered to be less secure than dynamic IP addresses.

  • Dynamic IP addresses, on the other hand, are assigned each time a computer joins a network. They are assigned via DHCP (Dynamic Host Configuration Protocol). These are basically taken from a pool of IP addresses that are shared among many computers.

IP addresses have also been divided into classes, namely, Class A, Class B, Class C, Class D and Class E.

The IP address is often considered the default gateway for many routers. The numbers from to refer to a block of reserved IP addresses which are completely private and cannot be routed on the internet.

These IP addresses are important for NAT, which refers to Network Address Translation. They also play a key role in mitigating the complete exhaustion of the IPv4 address space as we transition to IPv6 by allowing many devices to share a single public IP address. There may be thousands of devices that share IP addresses in this particular private range of addresses.

The first and the last IP address of the range are not usable and the remaining IP addresses are used for some purposes. It is, therefore, possible to have 254 devices on a particular network because all the devices in the network should have unique IP addresses.

An addressing conflict is said to occur when two devices on the same local network claim to have the same IP address.

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