Unitend Technologies Inc.

Any device whose MAC address begins with 0C:AC:05 has a network interface built by Unitend Technologies 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

0C:AC:05

Organization

Unitend Technologies Inc.

Address

No.6 Nanda'an Hutong, Xizhimeng st Zicheng District Beijing CN 100035

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.