Bystronic Laser AG

Any device whose MAC address begins with 00:21:EA has a network interface built by Bystronic Laser AG. 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:EA

Organization

Bystronic Laser AG

Address

Industriestrasse 21 3362 Niederönz CH

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.