What this means
The IEEE assigned the MA-L block 002183 to ANDRITZ HYDRO 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 00:21:83, it is ANDRITZ HYDRO GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 002183?
002183 is registered to ANDRITZ HYDRO 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. ANDRITZ HYDRO GmbH's block covers 16,777,216 addresses.
What devices use 002183?
Any network device with a MAC address starting 00:21:83 was manufactured by or for ANDRITZ HYDRO GmbH.