SEAWING Kft

Any device whose MAC address begins with 70:3C:39 has a network interface built by SEAWING Kft. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

70:3C:39

Organization

SEAWING Kft

Address

Palánkai utca 5. Székesfehérvár Fejér HU 8000

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.