From: Yung Li (yungli2008@gmail.com)
Date: Fri Jul 25 2008 - 15:07:38 ART
how do we calculate the allowed routes from the network and wildcard mask
151.15.112.0 0.0.8.255?
Would you please any one guide me?
Thanks
Li
On Fri, Jul 25, 2008 at 8:02 PM, kang lee <kanghlee@gmail.com> wrote:
> I think you mean 151.15.112.0 ~151.15.120.0 ?
>
> This is the subnet I want to filter but when I did AND and XOR calculation,
> it is coming out 151.15.112.0 0.0.15.255.
>
> I was not sure if I did correct calculation.
>
> 0 1 1 1 0 0 0 0
>
> 0 1 1 1 0 0 0 1
>
> 0 1 1 1 0 0 1 0
>
> 0 1 1 1 0 0 1 1
>
> 0 1 1 1 0 1 0 0
>
> 0 1 1 1 0 1 0 1
>
> 0 1 1 1 0 1 1 0
>
> 0 1 1 1 0 1 1 1
>
> 0 1 1 1 1 0 0 0
>
>
>
> subnet
>
> and
>
> 0 1 1 1 0 0 0 0
>
>
> 112
>
>
>
> wildcard
>
> Xor
>
> 0 0 0 0 1 1 1 1
>
> 15
>
>
>
>
> thanks
>
> On Fri, Jul 25, 2008 at 11:45 AM, lei tian <again.tl@gmail.com> wrote:
>
> > 151.25.112.1 - 151.25.112.255
> > and
> > 151.25.120.1 - 151.25.120.255
> >
> >
> > On 7/25/08, Sadiq Yakasai <sadiqtanko@gmail.com> wrote:
> >
> >> 151.25.112.1 through 151.25.119.255
> >>
> >> Is that right guys?
> >>
> >>
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