Robert Bosch Engineering and Business Solutions pvt. Ltd.

Any device whose MAC address begins with A4:11:15 has a network interface built by Robert Bosch Engineering and Business Solutions 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

A4:11:15

Organization

Robert Bosch Engineering and Business Solutions pvt. Ltd.

Address

123, Industrial Layout, Hosur Road, Koramangala, Bangalore Karnataka IN 560095

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.