OSCILLOQUARTZ S.A.

Any device whose MAC address begins with 00:01:20 has a network interface built by OSCILLOQUARTZ S.A.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:01:20

Organization

OSCILLOQUARTZ S.A.

Address

Rue Des Brevards 16 2002 Neuchatel CH

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.