Q-Free America, Inc.

Any device whose MAC address begins with 64:55:63 has a network interface built by Q-Free America, 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

64:55:63

Organization

Q-Free America, Inc.

Address

1420 Kristina Way, Suite #102 Chesapeake VA US 23320

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.