Humane

Any device whose MAC address begins with 04:9F:15 has a network interface built by Humane. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

04:9F:15

Organization

Humane

Address

969 Folsom St San Francisco CA US 94062

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.