Corporacion Empresarial Altra SL

Any device whose MAC address begins with 28:CC:FF has a network interface built by Corporacion Empresarial Altra SL. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

28:CC:FF

Organization

Corporacion Empresarial Altra SL

Address

Marie Curie 21 Malaga ES 29590

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.