MasterImage 3D

Any device whose MAC address begins with 74:8F:1B has a network interface built by MasterImage 3D. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

74:8F:1B

Organization

MasterImage 3D

Address

131, Gasan Digital 1-ro, Geumcheon-gu Seoul KR 153-803

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.