Vivint Inc

Any device whose MAC address begins with 84:EB:3F has a network interface built by Vivint 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

84:EB:3F

Organization

Vivint Inc

Address

3401 N Ashton Blvd Lehi UT US 84043

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.