OURA Health Oy

Any device whose MAC address begins with A0:38:F8 has a network interface built by OURA Health Oy. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

A0:38:F8

Organization

OURA Health Oy

Address

Elektroniikkatie 3 Oulu FI 90590

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.