Qingdao Haier Multimedia Limited.

Any device whose MAC address begins with D0:58:C0 has a network interface built by Qingdao Haier Multimedia 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

D0:58:C0

Organization

Qingdao Haier Multimedia Limited.

Address

Pingban Building, Haier Industry Park, Laoshan District, Qingdao Shandong CN 266103

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.