What are Public and Private IP Addresses?

A public IP address is a unique numerical label assigned to every device connected to the internet. It is used to identify a device on the internet and to allow it to communicate with other devices over the internet. A public IP address can be either static or dynamic. A static public IP address does not change, while a dynamic public IP address is assigned by the Internet Service Provider (ISP) and can change over time.




A private IP address is used to identify devices on a private network, such as a home network or corporate network. It is not used to identify devices on the internet. Private IP addresses are used in conjunction with a NAT (Network Address Translation) router, which assigns a public IP address to devices on the private network and allows them to communicate with devices on the internet.

In summary, a public IP address is used to identify a device on the internet, while a private IP address is used to identify a device on a private network.

Public and Private IP Addresses of conclusion 

In conclusion, a public IP address is a unique numerical label assigned to every device connected to the internet, used to identify the device on the internet and to allow it to communicate with other devices over the internet. A private IP address is used to identify devices on a private network, such as a home or corporate network, and is not used to identify devices on the internet. Private IP addresses are used in conjunction with a NAT router, which assigns a public IP address to devices on the private network and allows them to communicate with devices on the internet.

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Here are some frequently asked questions about public and private IP addresses:

What is the difference between a public and a private IP address?

A public IP address is a unique numerical label assigned to every device connected to the internet, used to identify the device on the internet and to allow it to communicate with other devices over the internet. A private IP address is used to identify devices on a private network, such as a home or corporate network, and is not used to identify devices on the internet. Private IP addresses are used in conjunction with a NAT router, which assigns a public IP address to devices on the private network and allows them to communicate with devices on the internet.

How do I find my public IP address?

You can find your public IP address by visiting a website that displays your IP address, such as whatismyip.com. You can also use the command prompt on a Windows device or the terminal on a Mac to find your public IP address.

How do I find my private IP address?

You can find your private IP address by going to the settings on your device and looking for the network or internet connection settings. In Windows, you can also use the command prompt to find your private IP address. On a Mac, you can use the terminal to find your private IP address.

 

Can I change my public IP address?

If you have a static public IP address, it will not change. However, if you have a dynamic public IP address, it can change over time. You can request a new public IP address from your ISP, but they may charge a fee for this service.

Can I change my private IP address?

Yes, you can change your private IP address by going to the network or internet connection settings on your device and manually assigning a new private IP address. Keep in mind that the private IP address must be within the range of valid private IP addresses (e.g., 192.168.0.0 to 192.168.255.255 for IPv4) and must not be in use by another device on your network.


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