Re: Subnet masks in Dotted-Decimal format

["Livio Zanol Puppim" <livio.zanol.puppim () gmail com>]

Yeah, I know It's against RFC, but a lot of things are against it either...
Like "every host should reply an echo request with an echo reply" and many
many other things... Some companys likes to use this kind of mask to
"masquerade" their networks... I've never tried the method you've
menthioned, i'll give this a try...

Thanks,
Lívio Zanol Puppim


2006/10/19, Martin Mačok <martin.macok () underground cz>:
> On Wed, Oct 18, 2006 at 09:02:05PM -0200, Livio Zanol Puppim wrote:
>
> > I'm asking this cause I have already seen crazies subnet masks used
> > (like 255.0.255.255).
>
> This is against RFC, anyway. Netmask should be continuous and
> expressible in /X notation where X is (0,32).
>
> > So with that kind of subnet masks I can't make a complete subnet
> > scan with the normal format...
>
> Have you tried scanning A.0-255.C.D ?
>
> Martin Mačok
> ICT Security Consultant
>
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