Key Digital Systems

Any device whose MAC address begins with 60:89:B1 has a network interface built by Key Digital Systems. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

60:89:B1

Organization

Key Digital Systems

Address

521 E 3rd Street Mount Vernon NY US 10553

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.