Hanvit SI, Inc.

Any device whose MAC address begins with 10:78:CE has a network interface built by Hanvit SI, 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

10:78:CE

Organization

Hanvit SI, Inc.

Address

#201 Daeheung Building, 265-18 Yangjae-dong Seoul KR 137130

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.