What this means
The IEEE assigned the MA-L block D009F5 to Hosiden Corporation. 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 D0:09:F5, it is Hosiden Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix D009F5?
D009F5 is registered to Hosiden Corporation 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. Hosiden Corporation's block covers 16,777,216 addresses.
What devices use D009F5?
Any network device with a MAC address starting D0:09:F5 was manufactured by or for Hosiden Corporation.