From owner-freebsd-questions Tue Apr 18 17:00:24 1995 Return-Path: questions-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id RAA27926 for questions-outgoing; Tue, 18 Apr 1995 17:00:24 -0700 Received: from ain.charm.net (ain.charm.net [198.69.35.206]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id RAA27920 for ; Tue, 18 Apr 1995 17:00:21 -0700 Received: (from nc@localhost) by ain.charm.net (8.6.11/8.6.9) id TAA00624; Tue, 18 Apr 1995 19:55:03 -0400 Date: Tue, 18 Apr 1995 19:55:02 -0400 (EDT) From: Network Coordinator To: James Leppek cc: freebsd-questions@FreeBSD.org Subject: Re: PPP and dynamic IPs drifting a little In-Reply-To: <9504181741.AA05651@borg.ess.harris.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: questions-owner@FreeBSD.org Precedence: bulk On Tue, 18 Apr 1995, James Leppek wrote: > Speaking of IP's I was responding to this mail and recalled > the words of wisdom in the /etc/hosts file about selecting > private IPs from a set of reserved numbers that are never > to appear on the net and getting valid numbers if > you are on the net. It had mentioned 192.168.0.0-192.168.255.255 > as reserved. > > Well, I tried to ping those to confirm they are never in use and > I got an answer! Then I tried 192.168.1.2 and it answered!! > It looks like its connected to : 204.157.71.1 which in turn is connected to 204.157.32.24 which in turn is connected to Net99 in portland. My guess is that 204.15.71.1 acts as a gateway between someone's private network and they keep an alias of 192.168.1.2 that got advertised to the whole world. -Jerry. > So what is the scoop on those numbers and RFC1597? > > Jim Leppek