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Cc: freebsd-hackers@freebsd.org, boogie@lazybytes.org
Subject: Re: ifconfig output: ipv4 netmask format
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Warner Losh <imp@bsdimp.com> wrote:

> > Non-contigous netmasks are legal in IPv4 ...
>
> They have become illegal in the fullness of time.

and/or the fullness of the address space, I suspect :)

Even if they were legal, I have a hard time imagining
a practical use case.