A dedicated IP address means that you'll have a distinctive numeric identifier on the Internet and that it will not be shared with other people's sites or apps as it happens with a shared web hosting account. There are lots of uses for a dedicated IP - including, when an SSL certificate is needed if you have an online store and you would like to accept online payments or in the event that you have a login form and you want the information which users submit to be encrypted. A dedicated IP address could also be used for other applications, like a VoIP server, for instance. Furthermore, it'll give more credibility and protection to your sites, given that a network flood to a shared IP shall not have any impact on your dedicated IP. In case you host your sites with us and you have your own server, you shall be able to get one or numerous dedicated IP addresses with simply a couple of mouse clicks and to use them in case you cannot use the IP that comes with the web server.