Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!ucbvax!eng.xyplex.com!rlstewart From: rlstewart@eng.xyplex.com (Bob Stewart) Newsgroups: comp.protocols.tcp-ip Subject: Re: Need ethernet address to Vendor mapping. Message-ID: <9105061629.AA24246@xap.xyplex.com> Date: 6 May 91 16:29:28 GMT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 9 I got a couple of them (sort of): ab-00-00 Some DEC multicast not in their old documentation ab-00-04 DECnet routing layer end nodes In general, the 01 and 09 ones are multicast (low bit of first byte is on) and the 00 and 08 are unicast. Bob