OBR Centrum Techniki Morskiej S.A.

Any device whose MAC address begins with 00:25:FD has a network interface built by OBR Centrum Techniki Morskiej S.A.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:25:FD

Organization

OBR Centrum Techniki Morskiej S.A.

Address

Dickmana 62 Gdynia US 81-109

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.