What this means
The IEEE assigned the MA-L block 38F45E to H1-Radio co.,ltd. 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 38:F4:5E, it is H1-Radio co.,ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 38F45E?
38F45E is registered to H1-Radio co.,ltd 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. H1-Radio co.,ltd's block covers 16,777,216 addresses.
What devices use 38F45E?
Any network device with a MAC address starting 38:F4:5E was manufactured by or for H1-Radio co.,ltd.