Which company owns MAC address prefix AC:67:6F?

MAC address prefix AC:67:6F is registered to Electrocompaniet A.S. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with AC:67:6F has a network interface built by Electrocompaniet A.S..

What is the OUI AC:67:6F?

AC:67:6F is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Electrocompaniet A.S.. It covers every address from AC:67:6F:00:00:00 to AC:67:6F:FF:FF:FF, or 16,777,216 addresses in total. It is also written AC-67-6F.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in AC:67:6F:00:00:00 that is AC:67:6F — 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 Electrocompaniet A.S. located?

Electrocompaniet A.S. is listed at Breivikveien 7 Tau Rogaland NO 4120 in the IEEE OUI registry entry for AC:67:6F. This is the address the organization registered with the IEEE, which may differ from its current operating address.

Electrocompaniet A.S.

MAC address prefix AC:67:6F is registered to Electrocompaniet A.S. in the IEEE OUI registry. Any device whose MAC address begins with AC:67:6F has a network interface built by Electrocompaniet 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 AC:67:6F:00:00:00 to AC:67:6F:FF:FF:FF.

OUI prefix: AC:67:6F
Hyphen form: AC-67-6F
MAC range: AC:67:6F:00:00:00 – AC:67:6F:FF:FF:FF
Addresses in block: 16,777,216
Organization: Electrocompaniet A.S.
Address: Breivikveien 7 Tau Rogaland NO 4120
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 "Electrocompaniet A.S."
archived source →
2026-07-17Assigned to "Electrocompaniet A.S."

Nearby in the registry

The prefixes assigned immediately before and after AC:67:6F:

FAQ

Which company owns MAC address prefix AC:67:6F?: MAC address prefix AC:67:6F is registered to Electrocompaniet A.S. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with AC:67:6F has a network interface built by Electrocompaniet A.S..
What is the OUI AC:67:6F?: AC:67:6F is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Electrocompaniet A.S.. It covers every address from AC:67:6F:00:00:00 to AC:67:6F:FF:FF:FF, or 16,777,216 addresses in total. It is also written AC-67-6F.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in AC:67:6F:00:00:00 that is AC:67:6F — 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 Electrocompaniet A.S. located?: Electrocompaniet A.S. is listed at Breivikveien 7 Tau Rogaland NO 4120 in the IEEE OUI registry entry for AC:67:6F. This is the address the organization registered with the IEEE, which may differ from its current operating address.