JEMA ENERGY, SA

Any device whose MAC address begins with D8:D2:7C has a network interface built by JEMA ENERGY, SA. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D8:D2:7C

Organization

JEMA ENERGY, SA

Address

Pº Circuito nº10 Lasarte-Oria Guipuzcoa ES 20160

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.