CHYNG HONG ELECTRONIC CO., LTD.

Any device whose MAC address begins with 70:46:42 has a network interface built by CHYNG HONG ELECTRONIC CO., LTD.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

70:46:42

Organization

CHYNG HONG ELECTRONIC CO., LTD.

Address

No.80, Lane 258, Sec. 3, Hansi W. Rd., Taichung TW 40647

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.