At 08:16 17/11/2002 +0000, Matthew Seaman wrote:
On Sun, Nov 17, 2002 at 02:04:57PM +0700, budsz wrote:
> On Sat, Nov 16, 2002 at 04:21:34PM +0000, Matthew Seaman wrote:
> >expressed as a hexadecimal or even decimal integer. thus:
> >
> > 192.168.100.1 is the same as 0xc0a86401 or 3232261121
> > ^^^^^^^^^^
> >and
> >
> > 0xffffff00 is the same as 255.255.255.0 or 4294967040
> ^^^^^^^^^^
>
> Sorry sir, How we calculate that number (Decimal Interger)?, I hope
> explaination step by step?
Simple enough:
This perl snippet will convert a dotted quad address into an integer:
[snip]
isn't it basically: 192 * 2^24 + 168 * 2^16 + 100 * 2^8 + 1
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