optilink networks pvt ltd

Any device whose MAC address begins with B4:F9:49 has a network interface built by optilink networks 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

B4:F9:49

Organization

optilink networks pvt ltd

Address

501/502, sanjona complex, hemu kalani marg, chembur mumbai maharashtra IN 400071

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.