From the course: CompTIA A+ Core 2 (220-1102) Cert Prep

Unlock this course with a free trial

Join today to access over 24,700 courses taught by industry experts.

Special IP addresses

Special IP addresses

From the course: CompTIA A+ Core 2 (220-1102) Cert Prep

Start my 1-month free trial Buy for my team

Special IP addresses

“

- There are over 4 billion IPv4 addresses out there, but some of them have kind of like a special use. So in this episode, what I want to do is talk about special IP addresses. Now, one thing I'm going to talk about are the class IDs one more time. I'm going to talk about it in an old-fashioned way that I'm pretty sure that CompTIA won't talk about, but let's just say we're covering ourself to make sure. Let's take a look at classes one more time, except this time with a bit of an old-fashioned bent. In other episodes, I mentioned that a class A address is any value where you only have assigned the first number. So for example, if I was given a 55.0.0.0, that would be a Class A address. However, according to the original rules of the internet, only class A's could start with a 1, up to 126. If you needed a class A address, it was going to start with one of these numbers. Class B addresses started from 128, and then they…

Contents