Corporation of the Presiding Bishop of The Church of Jesus Christ of Latter-day Saints

Any device whose MAC address begins with 84:27:CE has a network interface built by Corporation of the Presiding Bishop of The Church of Jesus Christ of Latter-day Saints. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

84:27:CE

Organization

Corporation of the Presiding Bishop of The Church of Jesus Christ of Latter-day Saints

Address

Audiovisual Engineering - 2LL Salt Lake City UT US 84150

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.