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Date: Sat, 16 Mar 2013 12:00:54 -0400
From: Gary Palmer <gpalmer@freebsd.org>
To: Daniel Nebdal <dnebdal@gmail.com>
Subject: Re: multi-homing in freebsd
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Cc: Zaphod Beeblebrox <zbeeble@gmail.com>, Yasir hussan <kolyasir@gmail.com>,
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On Sat, Mar 09, 2013 at 01:29:27PM +0100, Daniel Nebdal wrote:
> Going by Zaphod's recommendation of using a /32 for each IP, how about this?
> 
> ifconfig arge0 inet 192.168.1.100/32
> ifconfig arge0 alias 192.169.1.100/32
> 
> I wouldn't recommend 192.169, though - only 192.168.x.x is reserved
> for private networks, and 192.169 is a valid IP-routable prefix,
> assigned to some US company.
> To be exact: The ranges from RFC1918 are 10.0.0.0/8, 172.16.0.0 /20
> and 192.168.0.0/24.

I think you mean the RFC1918 ranges are

10.0.0.0/8 (aka 10.0.0.0 through 10.255.255.255)
172.16.0.0/12 (aka 172.16.0.0 through 172.31.255.255)
192.168.0.0/16 (aka 192.168.0.0 through 192.168.255.255)

Regards,

Gary