Shenzhen YOOBAO Technology Co.Ltd

Any device whose MAC address begins with D4:4C:9C has a network interface built by Shenzhen YOOBAO Technology Co.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

D4:4C:9C

Organization

Shenzhen YOOBAO Technology Co.Ltd

Address

F3,A5,Hua Tong Yuan Logistics Center,Minzhi Street,Longhua Town,Bao’an District,Shenzhen City,China Shenzhen Guangdong CN 518000

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.