Date: Thu, 3 May 2012 12:56:14 -0700 From: c.hutchinson0@yahoo.com To: Jason Hellenthal <jhellenthal@dataix.net> Cc: freebsd-wireless@freebsd.org Subject: Re: help converting HEX netmask... Message-ID: <20120503125614.75b091b3@udns.ultimateDNS.NET> In-Reply-To: <20120503165036.GA80690@DataIX.net> References: <20120501154844.45cc2f37@virus.local> <201205020701.05991.erichfreebsdlist@ovitrap.com> <20120501194431.7d9c91c7@virus.local> <20120503165036.GA80690@DataIX.net>
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Greetings... On Thu, 3 May 2012 12:50:36 -0400 Jason Hellenthal <jhellenthal@dataix.net> wrote: > > > On Tue, May 01, 2012 at 07:44:31PM -0700, c.hutchinson0@yahoo.com > wrote: > > Greetings... > > On Wed, 2 May 2012 07:01:05 +0700 > > Erich Dollansky <erichfreebsdlist@ovitrap.com> wrote: > > > > > Hi, > > > > > > On Wednesday 02 May 2012 05:48:44 c.hutchinson0@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 LOL! You're good at this. :-) In an effort to get better at "bit twiddling", I'm building a page that'll convert to-from -- from-to about anything I think I'll ever have to come up against. This project, of course, forces me to start remembering all that math I learned in school. ;) Thanks for the reply! --Chris > > > > > Thanks for the response -- and answer. :-) > > > > > > > > Erich > > > > > > > > Any help greatly appreciated. > > > > Apologies should this be stupid. > > > > _______________________________________________ > > > > freebsd-wireless@freebsd.org mailing list > > > > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless > > > > To unsubscribe, send any mail to > > > > "freebsd-wireless-unsubscribe@freebsd.org" > > > > > > > > > > > > _______________________________________________ > > freebsd-wireless@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless > > To unsubscribe, send any mail to > > "freebsd-wireless-unsubscribe@freebsd.org" >
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