GloquadTech

Any device whose MAC address begins with 40:FF:40 has a network interface built by GloquadTech. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

40:FF:40

Organization

GloquadTech

Address

801, Tower-A, 58-1, Giheung-ro, Giheung-gu, Yongin-si, Gyeonggi-do, 16976, Republic of Korea Yongin-si Gyeonggi-do KR 16976

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.