Wellysis Corp.

Any device whose MAC address begins with DC:F5:6E has a network interface built by Wellysis Corp.. 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:F5:6E

Organization

Wellysis Corp.

Address

311 Gangnam-daero Seocho-gu Seoul KR 06628

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.