Chongqing Miedu Technology Co., Ltd.

Any device whose MAC address begins with D4:9B:5C has a network interface built by Chongqing Miedu 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

D4:9B:5C

Organization

Chongqing Miedu Technology Co., Ltd.

Address

7-602 No.118 DaPing Main Street Yuzhong District Chongqing CN 400000

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.