Kinetic Technologies

Any device whose MAC address begins with D4:9B:74 has a network interface built by Kinetic Technologies. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D4:9B:74

Organization

Kinetic Technologies

Address

6399 San Ignacio Ave #250 San Jose CA US 95119

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.