Which company owns MAC address prefix A0:FC:6E?

MAC address prefix A0:FC:6E is registered to Telegrafia a.s. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with A0:FC:6E has a network interface built by Telegrafia a.s..

What is the OUI A0:FC:6E?

A0:FC:6E is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Telegrafia a.s.. It covers every address from A0:FC:6E:00:00:00 to A0:FC:6E:FF:FF:FF, or 16,777,216 addresses in total. It is also written A0-FC-6E.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in A0:FC:6E:00:00:00 that is A0:FC:6E — and look that prefix up in the IEEE OUI registry. If the second-lowest bit of the first octet is set, the address is locally administered (a randomized or private MAC), which belongs to no manufacturer and will not resolve; modern phones and laptops use these by default on each network.

Where is Telegrafia a.s. located?

Telegrafia a.s. is listed at Lomena 7 Kosice Slovakia 040 01 in the IEEE OUI registry entry for A0:FC:6E. This is the address the organization registered with the IEEE, which may differ from its current operating address.

Telegrafia a.s.

MAC address prefix A0:FC:6E is registered to Telegrafia a.s. in the IEEE OUI registry. Any device whose MAC address begins with A0:FC:6E has a network interface built by Telegrafia a.s.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address — it covers every MAC from A0:FC:6E:00:00:00 to A0:FC:6E:FF:FF:FF.

OUI prefix: A0:FC:6E
Hyphen form: A0-FC-6E
MAC range: A0:FC:6E:00:00:00 – A0:FC:6E:FF:FF:FF
Addresses in block: 16,777,216
Organization: Telegrafia a.s.
Address: Lomena 7 Kosice Slovakia 040 01
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.

Assignment history (2)

The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.

2016-07-29Assigned to "Telegrafia a.s."
archived source →
2026-07-17Assigned to "Telegrafia a.s."

Nearby in the registry

The prefixes assigned immediately before and after A0:FC:6E:

FAQ

Which company owns MAC address prefix A0:FC:6E?: MAC address prefix A0:FC:6E is registered to Telegrafia a.s. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with A0:FC:6E has a network interface built by Telegrafia a.s..
What is the OUI A0:FC:6E?: A0:FC:6E is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Telegrafia a.s.. It covers every address from A0:FC:6E:00:00:00 to A0:FC:6E:FF:FF:FF, or 16,777,216 addresses in total. It is also written A0-FC-6E.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in A0:FC:6E:00:00:00 that is A0:FC:6E — and look that prefix up in the IEEE OUI registry. If the second-lowest bit of the first octet is set, the address is locally administered (a randomized or private MAC), which belongs to no manufacturer and will not resolve; modern phones and laptops use these by default on each network.
Where is Telegrafia a.s. located?: Telegrafia a.s. is listed at Lomena 7 Kosice Slovakia 040 01 in the IEEE OUI registry entry for A0:FC:6E. This is the address the organization registered with the IEEE, which may differ from its current operating address.