Omnima Limited

Any device whose MAC address begins with 78:25:44 has a network interface built by Omnima Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

78:25:44

Organization

Omnima Limited

Address

Oxford Science Park Oxford Oxfordshire GB OX4 4GP

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.