In fact, when we use the Internet, it can sometimes be said that the same IP is used by more than one user. However, if your IP is real IP, only you will use that IP. Then it can be said that the user's unique IPs are the real IP. The advantage of Real IP is that many web service providers track IP. If you login from a different IP, those web sites may ask for your identity details. Many times the web site is turned off for everyone and kept open for certain IP users. Especially during the important updates of the internal running of the site running web site . If you have a real IP address, it is easy to keep the site open for yourself and show the Temporary Update page for everyone.