Who owns MAC prefix C0EAC35?

C0EAC35 is registered to Techem Energy Services GmbH in the IEEE MA-M registry.

What devices use C0EAC35?

Any network device with a MAC address starting C0:EA:C3:5 was manufactured by or for Techem Energy Services GmbH.

MA-M · OUI prefix

Techem Energy Services GmbH

Any MAC address starting C0:EA:C3:5 is registered to Techem Energy Services GmbH in DE.

OUI prefix	C0EAC35
Vendor	Techem Energy Services GmbH
Registry	MA-M (28-bit, medium block)
Country	DE
Example MAC	C0:EA:C3:5:00:00:00

What this means

The IEEE assigned the MA-M block C0EAC35 to Techem Energy Services GmbH. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting C0:EA:C3:5, it is Techem Energy Services GmbH hardware.

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