General Satellite Research & Development Limited

Any device whose MAC address begins with 00:21:52 has a network interface built by General Satellite Research & Development Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:21:52

Organization

General Satellite Research & Development Limited

Address

Lit. "E", building 2, 4 Novoladozhskaya str Saint Petersburg RU 197110

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.