D-Link (Shanghai) Limited Corp.

Any device whose MAC address begins with B4:37:D8 has a network interface built by D-Link (Shanghai) Limited Corp.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B4:37:D8

Organization

D-Link (Shanghai) Limited Corp.

Address

Room 612, Floor 6, No.88, Taigu Road, Shanghai CN 200131

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.