What this means
The IEEE assigned the MA-L block 743256 to NT-ware Systemprg 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 74:32:56, it is NT-ware Systemprg GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 743256?
743256 is registered to NT-ware Systemprg 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. NT-ware Systemprg GmbH's block covers 16,777,216 addresses.
What devices use 743256?
Any network device with a MAC address starting 74:32:56 was manufactured by or for NT-ware Systemprg GmbH.