UpdateLogic Inc.

Any device whose MAC address begins with 00:21:02 has a network interface built by UpdateLogic 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

00:21:02

Organization

UpdateLogic Inc.

Address

2 Willow Street, Suite 101 Southborough MA US 01745

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.