Flock Safety

Any device whose MAC address begins with B4:1E:52 has a network interface built by Flock Safety. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B4:1E:52

Organization

Flock Safety

Address

1160 Howell Mill Rd NW Atlanta GA US 30318

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.