GSP SYSTEMS Inc.

Any device whose MAC address begins with 00:19:AC has a network interface built by GSP SYSTEMS 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

00:19:AC

Organization

GSP SYSTEMS Inc.

Address

13FL, 101 Dong, Chunui Techno Park 1, Bucheon-City Gyeonggi-Do KR 420-857

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.