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Date:      Tue, 18 Apr 95 16:39:39 EDT
From:      jleppek@suw2k.ess.harris.com (James Leppek)
To:        freebsd-questions@FreeBSD.org
Subject:   invalid IPs
Message-ID:  <9504182039.AA06053@borg.ess.harris.com>

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Ok what does this mean? that something should respond to a ping or not?

I thought the reason these numbers were reserved was that everyone(routers)
were supposed to ignore them if they ever appeared on the internet.

So if I do traceroute and someone in the 204.157 domain is responding
does that mean something is a miss? or that they were given the numbers...

I have been telling folks to use those reserved numbers for their private
networks because they should/would never appear on the net. I guess I was 
wrong :-(  
Oh well, lost count of my mistakes long ago :-)


Jim Leppek

> From owner-freebsd-questions@freefall.cdrom.com Tue Apr 18 16:23:36 1995
> From: terry@cs.weber.edu (Terry Lambert)
> Subject: Re: PPP and dynamic IPs drifting a little
> To: jleppek@suw2k.ess.harris.com (James Leppek)
> Date: Tue, 18 Apr 95 13:53:49 MDT
> Cc: freebsd-questions@FreeBSD.org
> X-Mailer: ELM [version 2.4dev PL52]
> Sender: questions-owner@FreeBSD.org
> 
> > 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!!
> > 
> > So what is the scoop on those numbers and RFC1597?
> 
> [rs0.internic.net]
> IANA (IANA-CBLK-RESERVED)
>    Internet Assigned Numbers Authority
>    Information Sciences Institute
>    University of Southern California
>    4676 Admiralty Way, Suite 1001
>    Marina del Rey, CA 90292-6695
> 
>    Netname: IANA-CBLK1
>    Netblock: 192.168.0.0 - 192.168.255.0
> 
>    Coordinator:
>       Reynolds, Joyce K.  (JKR1)  JKRey@ISI.EDU
>       (310) 822-1511
> 
>    Domain System inverse mapping provided by:
> 
>    NS.ISI.EDU                   128.9.128.127
>    DNS.MERIT.NET                35.1.1.42
> 
>    Record last updated on 01-Nov-94.
> 
> 
> 					Terry Lambert
> 					terry@cs.weber.edu
> ---
> Any opinions in this posting are my own and not those of my present
> or previous employers.
> 



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