Crossmatch Technologies/HID Global

Any device whose MAC address begins with 00:06:33 has a network interface built by Crossmatch Technologies/HID Global. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:06:33

Organization

Crossmatch Technologies/HID Global

Address

Unstrutweg 4 Jena DE 07743

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.