U & B tech

Any device whose MAC address begins with DC:1D:9F has a network interface built by U & B tech. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

DC:1D:9F

Organization

U & B tech

Address

2F, Daeyoung buliding, 1423-6, Kwanyang-1Dong, Anyang-Si Gyeonggi-Do KR 431-061

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.