Alfred Mann Foundation

Any device whose MAC address begins with 00:1A:51 has a network interface built by Alfred Mann Foundation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1A:51

Organization

Alfred Mann Foundation

Address

P.O. Box 905 Santa Clarita CA US 91380-9005

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.