Advantage Six Ltd

Any device whose MAC address begins with 00:17:DE has a network interface built by Advantage Six Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:17:DE

Organization

Advantage Six Ltd

Address

208 George St OLDHAM Lancs GB OL2 8DR

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.