Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!utgpu!water!watmath!clyde!rutgers!labrea!jade!ucbvax!TOPAZ.RUTGERS.EDU!ron
From: ron@TOPAZ.RUTGERS.EDU.UUCP
Newsgroups: comp.protocols.tcp-ip
Subject: Re:  DDN X.25 mapping
Message-ID: <8709132326.AA04790@topaz.rutgers.edu>
Date: Sun, 13-Sep-87 19:26:30 EDT
Article-I.D.: topaz.8709132326.AA04790
Posted: Sun Sep 13 19:26:30 1987
Date-Received: Tue, 15-Sep-87 01:35:54 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
Distribution: world
Organization: The ARPA Internet
Lines: 6

There is no standard for the IMP to Class B and C addresses that I
know of.  HOWEVER, both BRL and the Canadian version of MILNET use
the C octet for host number and the D octet for imp number (essentially
sliding the HOST byte right one byte).

-Ron