What this means
The IEEE assigned the MA-L block 000CA4 to Prompttec Product Management 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 00:0C:A4, it is Prompttec Product Management GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 000CA4?
000CA4 is registered to Prompttec Product Management GmbH 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. Prompttec Product Management GmbH's block covers 16,777,216 addresses.
What devices use 000CA4?
Any network device with a MAC address starting 00:0C:A4 was manufactured by or for Prompttec Product Management GmbH.