Network Supply Corp.,

Any device whose MAC address begins with 00:1F:DB has a network interface built by Network Supply Corp.,. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1F:DB

Organization

Network Supply Corp.,

Address

1938 NAKADAIRA KANAE IIDA NAGANO JP 395-0801

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.