OPTICAL NETWORK VIDEO TECHNOLOGIES (SHENZHEN) CO., LTD.

Any device whose MAC address begins with 20:77:59 has a network interface built by OPTICAL NETWORK VIDEO TECHNOLOGIES (SHENZHEN) 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

20:77:59

Organization

OPTICAL NETWORK VIDEO TECHNOLOGIES (SHENZHEN) CO., LTD.

Address

The 4-6th Floor, No. 59, HuaNing Road, Xinwei Community, Dalang Street, Longhua District Shenzhen CN 518000

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.