Celona Inc.

Any device whose MAC address begins with B4:15:7E has a network interface built by Celona Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B4:15:7E

Organization

Celona Inc.

Address

10061, Bubb Road Suite 300 Cupertino CA US 95014

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.