Murata Manufacturing Co., Ltd.

Any device whose MAC address begins with 1C:70:22 has a network interface built by Murata Manufacturing Co., 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

1C:70:22

Organization

Murata Manufacturing Co., Ltd.

Address

1-10-1, Higashikotari Nagaokakyo-shi Kyoto JP 617-8555

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.