Insensi

Any device whose MAC address begins with 4C:A9:28 has a network interface built by Insensi. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

4C:A9:28

Organization

Insensi

Address

2025 Broadway, 2CD New York City New York US 10023

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.