Day One Digital Media Limited

Any device whose MAC address begins with 00:0F:5C has a network interface built by Day One Digital Media Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0F:5C

Organization

Day One Digital Media Limited

Address

197 Archers Rd Auckland North Island NZ 1310

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.