Smartron India Pvt ltd

Any device whose MAC address begins with 40:56:2D has a network interface built by Smartron India Pvt 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

40:56:2D

Organization

Smartron India Pvt ltd

Address

1st Floor, Kapil Tower, Gachibowli Hyderabad Telangana IN 500032

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.