Yohana

Any device whose MAC address begins with D0:21:AC has a network interface built by Yohana. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D0:21:AC

Organization

Yohana

Address

3460 Hillview Ave. Palo Alto CA US 94304

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.