API ENGINEERING

Any device whose MAC address begins with 00:20:A5 has a network interface built by API 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

00:20:A5

Organization

API ENGINEERING

Address

2689 POPLARWOOD WAY SAN JOSE CA US 95132

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.