SATEL OY

Any device whose MAC address begins with 00:21:9F has a network interface built by SATEL 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

00:21:9F

Organization

SATEL OY

Address

Meriniitynkatu 17 SALO Lansi-Suomen Laani FI 24100

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.