RFC 1918 private space, link-local, loopback, multicast, and broadcast — when each is used, and a brief preview of NAT/PAT (covered in depth in the IP Services module).
These ranges are not routable on the public Internet. Anyone may use them inside their own network. To reach the Internet, the boundary router translates private addresses to a public address using NAT.
| Range | Prefix | Total addresses |
|---|---|---|
| 10.0.0.0 – 10.255.255.255 | 10.0.0.0/8 | 16,777,216 |
| 172.16.0.0 – 172.31.255.255 | 172.16.0.0/12 | 1,048,576 |
| 192.168.0.0 – 192.168.255.255 | 192.168.0.0/16 | 65,536 |
You can see the title, summary, learning objectives and the opening sections. The rest of this chapter, like all of modules 2–8, comes with the Course & Lab Pass and All-Access Max. A free account opens Module 1: Network Foundations end-to-end and saves your labs — start there, no card required.
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