Apption Labs Limited

Any device whose MAC address begins with B8:1F:5E has a network interface built by Apption Labs 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

B8:1F:5E

Organization

Apption Labs Limited

Address

7-8 Westbridge Close Leicester GB LE3 5LW

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.