Euclid Laboratories, Inc.

Any device whose MAC address begins with 54:2F:89 has a network interface built by Euclid Laboratories, 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

54:2F:89

Organization

Euclid Laboratories, Inc.

Address

9151 Arvida Ln Coral Gables Florida US 33156

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.