Class A is the 1st set of digits of an IP address. It could be anything from 1-127. And there’s only 127 A class IP networks for the entire world wide web.
IP addresses are generally consist of 5 classes, namely A B C D E, while only A, B, and C are commonly used. out of these three classes, class A is the most prominent and most valuable in terms of your SEO and internet marketing campaigns. Class A IP address are very much limited compared to class C IP’s. And there aren’t much available either. Only a handful of web hosts has the ability to offer A class IP’s as a unique value added web hosting product.