Holley Metering Limited

Any device whose MAC address begins with 84:7D:50 has a network interface built by Holley Metering 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

84:7D:50

Organization

Holley Metering Limited

Address

181 Wuchang Avenue Hangzhou Zhejiang CN 310023

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.