What this means
The IEEE assigned the MA-L block 2891D0 to Stage Tec Entwicklungsgesellschaft für professionelle Audiotechnik mbH. 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 28:91:D0, it is Stage Tec Entwicklungsgesellschaft für professionelle Audiotechnik mbH hardware.
Frequently Asked Questions
Who owns MAC prefix 2891D0?
2891D0 is registered to Stage Tec Entwicklungsgesellschaft für professionelle Audiotechnik mbH 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. Stage Tec Entwicklungsgesellschaft für professionelle Audiotechnik mbH's block covers 16,777,216 addresses.
What devices use 2891D0?
Any network device with a MAC address starting 28:91:D0 was manufactured by or for Stage Tec Entwicklungsgesellschaft für professionelle Audiotechnik mbH.