BYTEX CORPORATION, ENGINEERING

Any device whose MAC address begins with 00:40:B0 has a network interface built by BYTEX CORPORATION, ENGINEERING. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:40:B0

Organization

BYTEX CORPORATION, ENGINEERING

Address

13873 PARK CENTER ROAD HERNDON VA US 22071

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.