MURATA MACHINERY, LTD.

Any device whose MAC address begins with 00:50:81 has a network interface built by MURATA MACHINERY, LTD.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:50:81

Organization

MURATA MACHINERY, LTD.

Address

136, TAKEDA-MUKAISHIRO-CHO FUSHIMI-KU, KYOTO 612-8686 JP

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.