Seohwa Telecom

Any device whose MAC address begins with 10:E3:C7 has a network interface built by Seohwa Telecom. 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:E3:C7

Organization

Seohwa Telecom

Address

678 Seohwa Bldg Gasan-Dong, Gumcheon-Gu Seoul KR 153-803

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.