Which company owns MAC address prefix 64:50:D6?

MAC address prefix 64:50:D6 is registered to Liquidtool Systems in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 64:50:D6 has a network interface built by Liquidtool Systems.

What is the OUI 64:50:D6?

64:50:D6 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Liquidtool Systems. It covers every address from 64:50:D6:00:00:00 to 64:50:D6:FF:FF:FF, or 16,777,216 addresses in total. It is also written 64-50-D6.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in 64:50:D6:00:00:00 that is 64:50:D6 — 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 Liquidtool Systems located?

Liquidtool Systems is listed at Winterseistrasse 22 Hasle-Rüegsau Bern CH 3415 in the IEEE OUI registry entry for 64:50:D6. This is the address the organization registered with the IEEE, which may differ from its current operating address.

Liquidtool Systems

MAC address prefix 64:50:D6 is registered to Liquidtool Systems in the IEEE OUI registry. Any device whose MAC address begins with 64:50:D6 has a network interface built by Liquidtool Systems. 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 64:50:D6:00:00:00 to 64:50:D6:FF:FF:FF.

OUI prefix: 64:50:D6
Hyphen form: 64-50-D6
MAC range: 64:50:D6:00:00:00 – 64:50:D6:FF:FF:FF
Addresses in block: 16,777,216
Organization: Liquidtool Systems
Address: Winterseistrasse 22 Hasle-Rüegsau Bern CH 3415
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 (1)

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

2026-07-17Assigned to "Liquidtool Systems"

Nearby in the registry

The prefixes assigned immediately before and after 64:50:D6:

FAQ

Which company owns MAC address prefix 64:50:D6?: MAC address prefix 64:50:D6 is registered to Liquidtool Systems in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 64:50:D6 has a network interface built by Liquidtool Systems.
What is the OUI 64:50:D6?: 64:50:D6 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Liquidtool Systems. It covers every address from 64:50:D6:00:00:00 to 64:50:D6:FF:FF:FF, or 16,777,216 addresses in total. It is also written 64-50-D6.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in 64:50:D6:00:00:00 that is 64:50:D6 — 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 Liquidtool Systems located?: Liquidtool Systems is listed at Winterseistrasse 22 Hasle-Rüegsau Bern CH 3415 in the IEEE OUI registry entry for 64:50:D6. This is the address the organization registered with the IEEE, which may differ from its current operating address.