Yelatma Instrument Making Enterprise, JSC

Any device whose MAC address begins with E4:8F:65 has a network interface built by Yelatma Instrument Making Enterprise, JSC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E4:8F:65

Organization

Yelatma Instrument Making Enterprise, JSC

Address

Yanina 25 Yelatma Ryazan Region RU 391351

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.