Schaffner Deutschland GmbH

Any device whose MAC address begins with 00:22:22 has a network interface built by Schaffner Deutschland GmbH. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:22:22

Organization

Schaffner Deutschland GmbH

Address

Nürtingen Branch Nürtingen BW DE D-72622

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.