Network Address Translation (NAT) Explained

EIHeducation
2 min readDec 22, 2022

Network Address Translation (NAT) is a process where an internet service provider assigns a private IP address to a host computer on the internet and allows outside network connectivity. For example, if you connect your computer to the internet from your home with a static IP, your address will be assigned a unique IP address by your internet service provider. The NAT process allows you to connect to the internet from outside the home with the same IP as your computer.

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1. What is NAT?

NAT is a technology that helps to hide the real IP address of your device by using a different IP address. It is usually used in routers and modems. It is also often used when people are using a public Wi-Fi network. When you connect to a public Wi-Fi network, a computer will automatically use NAT to hide the real IP address and IP address of the device tries to connect to the internet. However, NAT is not always used for public Wi-Fi networks. In some cases, NAT is used to protect private networks.

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2. How NAT works

In order to understand how NAT works, it is important to know what a private IP address is. A private IP address is an IP address that is allocated to only one computer or device. This means that this IP address can only be used by one computer or device at a time. An example of a private IP address is 192.168.1.2. A public IP address is an IP address that is shared by many computers or devices. An example of a public IP address is 192.168.1.1. If your computer is using a public IP address, it means that it is part of the internet and can be accessed by anyone.

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3. How NAT affects the internet

Network Address Translation (NAT) is a technology that helps to manage the IP addresses on a network. This technology is used to make sure that the different computers connected to the network can share the same IP address. NAT has many benefits, but it also has downsides that can cause problems for the network. This is why NAT is not a perfect solution for every situation.

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4. Conclusion.

Network Address Translation is a technology that allows local networks to connect to the Internet. It is the process of translating a private IP address to a public IP address. It does this by mapping a private IP address to a public IP address when a computer requests an IP address to connect to the Internet. NAT is used to help prevent name-based IP address conflicts. This way, the same computer can be connected to the Internet using a different public IP address.

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