AbsoluteValue Systems, Inc.

Any device whose MAC address begins with 00:05:84 has a network interface built by AbsoluteValue Systems, 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

00:05:84

Organization

AbsoluteValue Systems, Inc.

Address

715-D North Dr. Melbourne FL US 32934

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.