[vbox-dev] VirtualBox blocks 127/8 (loopback) subnets for intnet

[Alexey Eromenko]

On Tue, Dec 1, 2015 at 3:14 PM, Gianfranco Costamagna
<costamagnagianfranco at yahoo.it> wrote:
> Hi,
>
>
>>Use 10.0.0.0/8 if you need such a big subnet, else go with
>>   172.16.0.0/12 or 192.168.0.0/16
>
>
> mmm I guess it is 172.16.0.0/16 and 192.168.0.0/24 ;)
>

The original spec actually says 172.16.0.0/12 or 192.168.0.0/16. See
RFC1918, Private IP addresses.
But yes, most users use 172.16.0.0/16 and 192.168.0.0/24.