What this means
The IEEE assigned the MA-L block 74249F to TIBRO Corp.. 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 74:24:9F, it is TIBRO Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 74249F?
74249F is registered to TIBRO Corp. 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. TIBRO Corp.'s block covers 16,777,216 addresses.
What devices use 74249F?
Any network device with a MAC address starting 74:24:9F was manufactured by or for TIBRO Corp..