MACANDC

Any device whose MAC address begins with DC:A9:89 has a network interface built by MACANDC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

DC:A9:89

Organization

MACANDC

Address

2-nd Filevskaya str.7/6 Moscow RU 121096

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.