help converting HEX netmask...

[Jason Hellenthal]

On Tue, May 01, 2012 at 07:44:31PM -0700, c.hutchinson0 at yahoo.com wrote:
> Greetings...
> On Wed, 2 May 2012 07:01:05 +0700
> Erich Dollansky <erichfreebsdlist at ovitrap.com> wrote:
> 
> > Hi,
> > 
> > On Wednesday 02 May 2012 05:48:44 c.hutchinson0 at yahoo.com wrote:
> > > Greetings,
> > >  This may seem dim to some of you, but I have a question regarding
> > > (determining) the netmask, from the output of ifconfig(8).
> > > Mine is returned as:
> > > 0xffffe000
> > 
> > you take a calculator which is able to convert hex to dec but you
> > have to break the number up into fields like:
> > 
> > ff
> > ff
> > e0
> > 00
> Right you are! Which brings us:
> 255.255.224.0

range:       192.168.0.0 > 192.168.31.255
range b10:   3232235520 > 3232243711
range b16:   0xc0a80000 > 0xc0a81fff
hosts:       8192
prefixlen:   19
mask:        255.255.224.0

> 
> Thanks for the response -- and answer. :-)
> 
> > 
> > Erich
> > > 
> > > Any help greatly appreciated.
> > > Apologies should this be stupid.
> > > _______________________________________________
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> > > 
> > > 
> 
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