DEKA R&D

Any device whose MAC address begins with 00:26:CF has a network interface built by DEKA R&D. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:26:CF

Organization

DEKA R&D

Address

340 Commercial Street Manchester NH US 03101

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.