What this means
The IEEE assigned the MA-L block 409F87 to Jide Technology (Hong Kong) Limited. 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 40:9F:87, it is Jide Technology (Hong Kong) Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 409F87?
409F87 is registered to Jide Technology (Hong Kong) Limited 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. Jide Technology (Hong Kong) Limited's block covers 16,777,216 addresses.
What devices use 409F87?
Any network device with a MAC address starting 40:9F:87 was manufactured by or for Jide Technology (Hong Kong) Limited.