From the course: Networking Foundations: IP Addressing
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RFC 1918 addressing
From the course: Networking Foundations: IP Addressing
RFC 1918 addressing
- [Instructor] Two technology additions to IPV 4 that made a huge difference in stemming the IPV4 address shortage that the world was quickly facing was the RFC1918 private IP address space and network address translation, or NAT. NAT lets us translate these private addresses into public Internet routable IPV4 source addresses. In order to define IP addresses that can be used privately inside the enterprises, as we said, the standards makers took various classes of addresses, and they actually reclaimed them from the Internet. And then they use these to define the private use address space. Here are the RFC1918 private address spaces that were defined. Notice there's the entire 10 range. This is the 10/8 prefix. There's 172.16 to 172.31. And then that goes all the way up to 255.255. So that's known as the 172.16/12 prefix. And then finally there's 192.168.0.0 all the way up to 192.168.255.255. This we call the…
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