Well, I hope you're ready. As we learned in the previous chapter, there is a bunch of different IPv4 addresses, and they are divided into classes, even into public and private addresses.
I never told you, exactly, how many IPv4 addresses there are in total. But, so you know, there are 2.4 million addresses. That is quite a lot of addresses, is it not? But, I did keep saying, based on the default mask of the address, especially a Class A address, we have millions of addresses. That's where the problem begins.
The powers that do not create things for a good reason now. When they saw that the IPv4 addresses were slowly being used up, they were very surprised and scared. Nobody expected that the internet was going to grow exponentially. Everyone had not one but two or more devices that needed IP addresses, and a greater number of companies had a presence...
