Butlr Technologies, Inc.

Any device whose MAC address begins with B0:9E:1B has a network interface built by Butlr Technologies, 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

B0:9E:1B

Organization

Butlr Technologies, Inc.

Address

800 Airport Boulevard, Ste 510 Burlingame CA US 94010

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.