H-THREE SYSTEMS CORPORATION

Any device whose MAC address begins with 00:80:85 has a network interface built by H-THREE SYSTEMS CORPORATION. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:80:85

Organization

H-THREE SYSTEMS CORPORATION

Address

100 PARK DRIVE, SUITE 204 NC US 27709

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.