Syphan Technologies Ltd

Any device whose MAC address begins with 00:25:59 has a network interface built by Syphan Technologies Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:25:59

Organization

Syphan Technologies Ltd

Address

The Watermill Skipton North Yorkshire GB BD23 3AG

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.