The question of whether or not you should use a dedicated IP address or a shared IP address for WordPress hosting can be quite controversial. This is partially due to the amount of wrong and outdated information on the web in regards to dedicated IPs and how they work. IP stands for Internet Protocol and is an address that is assigned to each domain on the web for example: You can think of the DNS as a phone book for the world wide web. When you type Google.
What Is an IP Address?
How does it work?
What Is a Dedicated IP Address?
It is advisable for a server to have an additional IP-address through which it can be accessed when the primary IP-address is not available. The additional IP-address is also used for Slave DNS setups, for providing individual IP-address to multiple websites located on the same server, and more. Select the IP-address protocol type, domain name and the number of required additional IP-addresses. The server will then be rebooted.