[windows2000] Re: 192.168.*.* - why?

  • From: "Chris McEvoy" <chris@xxxxxxxxxxxxxxxxx>
  • To: <windows2000@xxxxxxxxxxxxx>
  • Date: Mon, 18 Nov 2002 14:03:40 -0000

Think it's arbitrary (10.x.x.x is also used for internal addresses) so
that internal IP addresses do not clash with external addresses.  I
don't think MS had a hand in the decision.  They only realised there was
an Internet in 1996!

> -----Original Message-----
> From: Costanzo, Ray [mailto:rcostanzo@xxxxxxxxxxx]=20
> Sent: Monday 18 November 2002 13:59
> To: windows2000@xxxxxxxxxxxxx
> Subject: [windows2000] 192.168.*.* - why?
>=20
>=20
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> Hi list,
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> I'm just curious about something.  It seems that most networks use
> 192.168.*.* for their internal addresses.  Why?  It doesn't=20
> really matter, does it?  Isn't 192.168.*.* completely=20
> arbitrary?  My theory on how this came to be the norm is that=20
> MS used those addresses in some samples in some books or=20
> something, and people started using that and it just became=20
> the norm.  But then there's that whole Internet connection=20
> sharing feature that came out in what, W98SE?  With that, the=20
> computer that's sharing its Internet connection will be=20
> 192.168.1.1.  So, I imagine that it's coded somewhere into=20
> other OS'es to look to see if 192.168.1.1 can be used as a=20
> gateway when the user does not specify an IP configuration. =20
> So what came first?  192.168.*.* or computers looking to=20
> 192.168.1.1 as a gateway?  Or what my real question is is why=20
> 192.168.*.*?
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> Thanks,
>=20
> Ray at work
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>=20
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