TEST SYSTEMS & SIMULATIONS INC

Any device whose MAC address begins with 00:80:2A has a network interface built by TEST SYSTEMS & SIMULATIONS INC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:80:2A

Organization

TEST SYSTEMS & SIMULATIONS INC

Address

32429 INDUSTRIAL DRIVE MADISON HEIGHTS MI US 48071-1528

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.