ALWAYS ON TECH PTE.LTD.

Any device whose MAC address begins with 64:8B:9B has a network interface built by ALWAYS ON TECH PTE.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

64:8B:9B

Organization

ALWAYS ON TECH PTE.LTD.

Address

1 KIM SENG PROMENADE #17-04 GREAT WORLD CITY SINGAPORE SINGAPORE SINGAPORE SG 237994

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.