SECURE METERS LIMITED

Any device whose MAC address begins with 90:3D:BD has a network interface built by SECURE METERS 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

90:3D:BD

Organization

SECURE METERS LIMITED

Address

E CLASS, PRATAP NAGAR INDUSTRIAL AREA UDAIPUR RAJASTHAN IN 313003

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.