IEC

Any device whose MAC address begins with 00:15:4E has a network interface built by IEC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:15:4E

Organization

IEC

Address

3, rue de Varembé CH - 1211 GENEVA DE 20

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.