What this means
The IEEE assigned the MA-L block 00D04A to PRESENCE TECHNOLOGY 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:D0:4A, it is PRESENCE TECHNOLOGY GMBH hardware.
Frequently Asked Questions
Who owns MAC prefix 00D04A?
00D04A is registered to PRESENCE TECHNOLOGY 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. PRESENCE TECHNOLOGY GMBH's block covers 16,777,216 addresses.
What devices use 00D04A?
Any network device with a MAC address starting 00:D0:4A was manufactured by or for PRESENCE TECHNOLOGY GMBH.