COOSEA GROUP (HK) COMPANY LIMITED

Any device whose MAC address begins with D8:3E:EF has a network interface built by COOSEA GROUP (HK) COMPANY LIMITED. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D8:3E:EF

Organization

COOSEA GROUP (HK) COMPANY LIMITED

Address

Unit 56 16F Multifield Plaza,37A Part Avenue.Tsim Sha Tsui,KL,Hong Kong,SAR CHINA Hong Kong CN 999077

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.