IPv4 Private Address Space

José Queiroz zekkerj at gmail.com
Tue May 11 23:46:57 UTC 2021

Em ter., 11 de mai. de 2021 às 19:04, Louis Garcia <louisgtwo at gmail.com>

> Currently I have three networks
> I read that not all of is private, only
> I am trying to not have public routable IPs on my
> network. Please let me know if this setup is fine.
> *is all private*.

As so is 172.17. 172.18 ando so on, until In fact, the reserved
address space starts on and goes all the way through This is what the "/12" prefix means. Note that bigger
networks use smaller prefixes, and smaller networks use bigger prefixes.

Your networks, and are a tiny
portion of the original network. In fact, you could easily use the
"" (/21) netmask to describe them.
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