GTE Airfone Inc.

Any device whose MAC address begins with 00:06:34 has a network interface built by GTE Airfone 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

00:06:34

Organization

GTE Airfone Inc.

Address

2809 Butterfield Oakbrook IL US 60522

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.