S5 Tech S.r.l.

Any device whose MAC address begins with E8:7A:F3 has a network interface built by S5 Tech S.r.l.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E8:7A:F3

Organization

S5 Tech S.r.l.

Address

Via Tortona 72 Milano IT 20144

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.