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 >=20 > Hi list, >=20 > 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.*.*? >=20 > Thanks, >=20 > Ray at work >=20 >=20 > ********************************************************************** > This email and any files transmitted with it are confidential=20 > and intended solely for the use of the individual or entity=20 > to whom they are addressed. If you have received this email=20 > in error please notify the system manager. >=20 > This footnote also confirms that this email message has been=20 > swept by MIMEsweeper for the presence of computer viruses. >=20 www.mimesweeper.com ********************************************************************** =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D To Unsubscribe, set digest or vacation mode or view archives use the below link. http://thethin.net/win2000list.cfm ================================== To Unsubscribe, set digest or vacation mode or view archives use the below link. http://thethin.net/win2000list.cfm