GUANGZHOU GATEWAY ELECTRONICS CO., LTD

Any device whose MAC address begins with 00:1D:81 has a network interface built by GUANGZHOU GATEWAY ELECTRONICS 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

00:1D:81

Organization

GUANGZHOU GATEWAY ELECTRONICS CO., LTD

Address

B20#,4F,No.9 Jiangong Road,Tianhe Software Park,Tianhe District, GUANGZHOU Guangdong CN 510665

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.