Shenzhen Hi-Link Electronic CO.,Ltd.

Any device whose MAC address begins with E4:38:19 has a network interface built by Shenzhen Hi-Link 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

E4:38:19

Organization

Shenzhen Hi-Link Electronic CO.,Ltd.

Address

Room 1705, 1706, 1709A, 17th Floor, Building E, Xinghe WORLD, Minle Community, Minzhi Street, Longhua District Shenzhen Guangdong 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.