What this means
The IEEE assigned the MA-L block ECFC55 to A. Eberle GmbH & Co. KG. 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 EC:FC:55, it is A. Eberle GmbH & Co. KG hardware.
Frequently Asked Questions
Who owns MAC prefix ECFC55?
ECFC55 is registered to A. Eberle GmbH & Co. KG in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. A. Eberle GmbH & Co. KG's block covers 16,777,216 addresses.
What devices use ECFC55?
Any network device with a MAC address starting EC:FC:55 was manufactured by or for A. Eberle GmbH & Co. KG.