ARK INFOSOLUTIONS PVT LTD

Any device whose MAC address begins with A4:89:5B has a network interface built by ARK INFOSOLUTIONS 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

A4:89:5B

Organization

ARK INFOSOLUTIONS PVT LTD

Address

4428, GANESH BAZAR CLOTH MARKET DELHI IN 110006

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.