What this means
The IEEE assigned the MA-L block F4ED5F to SHENZHEN KTC TECHNOLOGY GROUP. 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 F4:ED:5F, it is SHENZHEN KTC TECHNOLOGY GROUP hardware.
Frequently Asked Questions
Who owns MAC prefix F4ED5F?
F4ED5F is registered to SHENZHEN KTC TECHNOLOGY GROUP 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. SHENZHEN KTC TECHNOLOGY GROUP's block covers 16,777,216 addresses.
What devices use F4ED5F?
Any network device with a MAC address starting F4:ED:5F was manufactured by or for SHENZHEN KTC TECHNOLOGY GROUP.