Bharat Electronics Limited

Any device whose MAC address begins with 00:1B:B0 has a network interface built by Bharat Electronics 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

00:1B:B0

Organization

Bharat Electronics Limited

Address

JALAHALLI POST BANGALORE KARNATAKA IN 560013

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.