HANA Electronics

Any device whose MAC address begins with 40:D5:63 has a network interface built by HANA Electronics. 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:D5:63

Organization

HANA Electronics

Address

Av. Abiurana, 450 Manaus Amazonas BR 69075-010

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.