ROSSMA

Any device whose MAC address begins with A8:3C:CB has a network interface built by ROSSMA. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

A8:3C:CB

Organization

ROSSMA

Address

Malkova,12-108 PERM RU 614087

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.