What this means
The IEEE assigned the MA-M block ECBA34E to Green ACS Sp. z o.o.. 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:BA:34:E, it is Green ACS Sp. z o.o. hardware.
Frequently Asked Questions
Who owns MAC prefix ECBA34E?
ECBA34E is registered to Green ACS Sp. z o.o. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Green ACS Sp. z o.o.'s block covers 1,048,576 addresses.
What devices use ECBA34E?
Any network device with a MAC address starting EC:BA:34:E was manufactured by or for Green ACS Sp. z o.o..