OY COMSEL SYSTEM AB

Any device whose MAC address begins with 00:50:63 has a network interface built by OY COMSEL SYSTEM AB. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:50:63

Organization

OY COMSEL SYSTEM AB

Address

TEGELBRUKSGATAN 5-7 FIN-65100 VASA FI

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.