What this means
The IEEE assigned the MA-L block 24BF74 to Hamamatsu Photonics K.K.. 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 24:BF:74, it is Hamamatsu Photonics K.K. hardware.
Frequently Asked Questions
Who owns MAC prefix 24BF74?
24BF74 is registered to Hamamatsu Photonics K.K. 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. Hamamatsu Photonics K.K.'s block covers 16,777,216 addresses.
What devices use 24BF74?
Any network device with a MAC address starting 24:BF:74 was manufactured by or for Hamamatsu Photonics K.K..