Which company owns MAC address prefix EC:D0:40?

MAC address prefix EC:D0:40 is registered to GEA Farm Technologies GmbH in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with EC:D0:40 has a network interface built by GEA Farm Technologies GmbH.

What is the OUI EC:D0:40?

EC:D0:40 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to GEA Farm Technologies GmbH. It covers every address from EC:D0:40:00:00:00 to EC:D0:40:FF:FF:FF, or 16,777,216 addresses in total. It is also written EC-D0-40.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in EC:D0:40:00:00:00 that is EC:D0:40 — 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 GEA Farm Technologies GmbH located?

GEA Farm Technologies GmbH is listed at Siemensstrasse 25-27 Boenen Northrhine-Westfalia DE 59199 in the IEEE OUI registry entry for EC:D0:40. This is the address the organization registered with the IEEE, which may differ from its current operating address.

GEA Farm Technologies GmbH

MAC address prefix EC:D0:40 is registered to GEA Farm Technologies GmbH in the IEEE OUI registry. Any device whose MAC address begins with EC:D0:40 has a network interface built by GEA Farm Technologies GmbH. 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 EC:D0:40:00:00:00 to EC:D0:40:FF:FF:FF.

OUI prefix: EC:D0:40
Hyphen form: EC-D0-40
MAC range: EC:D0:40:00:00:00 – EC:D0:40:FF:FF:FF
Addresses in block: 16,777,216
Organization: GEA Farm Technologies GmbH
Address: Siemensstrasse 25-27 Boenen Northrhine-Westfalia DE 59199
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 "GEA Farm Technologies GmbH"
archived source →
2026-07-17Assigned to "GEA Farm Technologies GmbH"

Nearby in the registry

The prefixes assigned immediately before and after EC:D0:40:

FAQ

Which company owns MAC address prefix EC:D0:40?: MAC address prefix EC:D0:40 is registered to GEA Farm Technologies GmbH in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with EC:D0:40 has a network interface built by GEA Farm Technologies GmbH.
What is the OUI EC:D0:40?: EC:D0:40 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to GEA Farm Technologies GmbH. It covers every address from EC:D0:40:00:00:00 to EC:D0:40:FF:FF:FF, or 16,777,216 addresses in total. It is also written EC-D0-40.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in EC:D0:40:00:00:00 that is EC:D0:40 — 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 GEA Farm Technologies GmbH located?: GEA Farm Technologies GmbH is listed at Siemensstrasse 25-27 Boenen Northrhine-Westfalia DE 59199 in the IEEE OUI registry entry for EC:D0:40. This is the address the organization registered with the IEEE, which may differ from its current operating address.