Lartech telecom LLC

Any device whose MAC address begins with 04:97:90 has a network interface built by Lartech telecom LLC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

04:97:90

Organization

Lartech telecom LLC

Address

Bolshoi Sampsonievski 68, lit. N, office 237 Saint-Petersburg RU 194100

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.