CNRS

Any device whose MAC address begins with 00:22:8F has a network interface built by CNRS. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:22:8F

Organization

CNRS

Address

MRCT Meudon Ile de France FR 92195

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.