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Re: [vox-tech] netmask question
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Re: [vox-tech] netmask question

Please remember that No octet can go above 255 or it will become non
routable and may  not update in any local ARP's


----- Original Message -----
From: "Jeff Newmiller" <jdnewmil@dcn.davis.ca.us>
To: <vox-tech@lists.lugod.org>
Sent: Sunday, March 10, 2002 9:06 AM
Subject: Re: [vox-tech] netmask question

> On Sun, 10 Mar 2002, Peter Jay Salzman wrote:
> > how would someone write a range of IP addresses
> >
> > -
> 00111101.11011100.00000000.00000000
> 00111101.11100011.11111111.11111111
> If you want to write it in netmask form, you have to be able to divide it
> into two parts cleanly... the first part has to have identical bits, and
> the second part has to be all zeroes in the lower address and all ones in
> the higher end of the address range.
> Hmm... adding a dividing point at a power of two rollover (the first bit
> that is different)...
> 00111101.11011100.00000000.00000000
> 00111101.11011111.11111111.11111111
> 00111101.11100000.00000000.00000000
> 00111101.11100011.11111111.11111111
> it fits into two ranges, characterized by the first 13 bits, or
> Other arbitrary starting and ending points might not work out as two
> ranges... might have to split at more than one power of two to get the
> "same network bits, host bits roll from all zeroes to all ones" pattern.
> --------------------------------------------------------------------------
> Jeff Newmiller                        The     .....       .....  Go
> DCN:<jdnewmil@dcn.davis.ca.us>        Basics: ##.#.       ##.#.  Live
>                                       Live:   OO#.. Dead: OO#..  Playing
> Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
> /Software/Embedded Controllers)               .OO#.       .OO#.
> --------------------------------------------------------------------------
> _______________________________________________
> vox-tech mailing list
> vox-tech@lists.lugod.org
> http://lists.lugod.org/mailman/listinfo/vox-tech

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