That would be AS42009 at LINX Manchester. I presume it's either something emulating a DEC Tulip Ethernet chip or a fake MAC address (AA:00:00). Edward Dore Freethought Internet ________________________________ From: Aled Morris <aled.w.morris@googlemail.com> Sent: 07 November 2019 20:08 To: Edward Dore <edward.dore@freethought-internet.co.uk> Cc: Sabri Berisha <sabri@cluecentral.net>; Compton, Rich A <Rich.Compton@charter.com>; nanog <nanog@nanog.org> Subject: Re: Any info on devices that are running eBGP on the Internet? On Thu, 7 Nov 2019 at 19:59, Edward Dore <edward.dore@freethought-internet.co.uk<mailto:edward.dore@freethought-internet.co.uk>> wrote: I just grabbed the following from our routers connected to LINX LON1, LINX LON2, LINX Manchester and LONAP (so this data is very UK centric): ... 1 DIGITAL EQUIPMENT CORPORATION Kudos to whoever is running the VMS port of BIRD on their VAX-11/780 Aled