HIPER Information & Communication, Inc.

Any device whose MAC address begins with 00:03:A1 has a network interface built by HIPER Information & Communication, 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

00:03:A1

Organization

HIPER Information & Communication, Inc.

Address

1675-7, Sinil-dong, 306-230 South KR Korea

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.