acromate, Inc.

Any device whose MAC address begins with 2C:A1:57 has a network interface built by acromate, Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

2C:A1:57

Organization

acromate, Inc.

Address

#1101, JnK Digital Tower, 111 Seoul KR 152-848

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.