What this means
The IEEE assigned the MA-L block 94EF49 to BDR Thermea Group B.V. 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 94:EF:49, it is BDR Thermea Group B.V hardware.
Frequently Asked Questions
Who owns MAC prefix 94EF49?
94EF49 is registered to BDR Thermea Group B.V 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. BDR Thermea Group B.V's block covers 16,777,216 addresses.
What devices use 94EF49?
Any network device with a MAC address starting 94:EF:49 was manufactured by or for BDR Thermea Group B.V.