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Any device connected to the IP network must have a unique IP address within the network. An IP address is analogous to a street address or telephone number in that it is used to uniquely identify an entity.

The traditional IP Address known as IPv4 uses a bit number to represent an IP address, and it defines both network and host address. A bit number is capable of providing roughly 4 billion unique numbers, and hence IPv4 addresses running out as more devices are connected to the IP network. A new version of the IP protocol IPv6 has been invented to offer virtually limitless number of unique addresses.

An IP address is written in "dotted decimal" notation, which is 4 sets of numbers separated by period each set representing 8-bit number ranging from An example of IPv4 address is An IPv4 address is divided into two parts: network and host address.

The network address determines how many of the 32 bits are used for the network address and the remaining bits are used for the host address. The host address can further divided into subnetwork and host number. In order to maintain uniqueness within global namespace, the IP addresses are publicly registered with the N etwork I nformation C enter NIC to avoid address conflicts. The dDevices that need to be publicly identified, such as web or mail servers, must have a globally unique IP address; and they are assigned a public IP address.

The devices that do not require public access may be assigned a private IP address and make it uniquely identifiable within one organization.

For example, a network printer may be assigned a private IP address to prevent rest of the world from printing from it. To allow organizations to freely assign private IP addresses, the NIC has reserved certain address blocks for private use. The following IP blocks are reserved for private IP addresses.

In addition to above classful private addresses, The loopback IP address is the address used to access itself. Here are three easy ways to change yours —. Your device uses either a static IP or a dynamic IP addressing system when you connect to the internet.

With static IP addresses, you essentially use the same address every time you connect to the internet. However, dynamic IP addresses are temporary and assigned every time a device connects to the network. Static IP addresses are also called dedicated IPs and can be reserved for a single entity like a business to use. No, and it would be really scary if it could. You can check your IP address on multiple websites, and chances are that all of these websites will show different locations.

However, some details like your Country, and State can be identified by your IP address. What is an IP address? How does an IP address work? Here are the key differences between these two protocols — Address style — IPv4 addresses are numeric and have their binary bits separated by dots. Meanwhile, IPv6 addresses are alphanumeric and separated by columns :. Checksum — IPv4 has checksum fields, while IPv6 offers none. Security — Security is built into the IPv6 protocol, whereas, with IPv4, security is dependent on the application.

Sample address — IPv4 — Here are three easy ways to change yours — Change your network or reset your router — Switching between network providers can seamlessly help you change your IP address.