What this means
The IEEE assigned the MA-L block 743889 to ANNAX Anzeigesysteme 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 74:38:89, it is ANNAX Anzeigesysteme GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 743889?
743889 is registered to ANNAX Anzeigesysteme 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. ANNAX Anzeigesysteme GmbH's block covers 16,777,216 addresses.
What devices use 743889?
Any network device with a MAC address starting 74:38:89 was manufactured by or for ANNAX Anzeigesysteme GmbH.