What this means
The IEEE assigned the MA-L block D4C9B2 to Quanergy Solutions Inc. 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 D4:C9:B2, it is Quanergy Solutions Inc hardware.
Frequently Asked Questions
Who owns MAC prefix D4C9B2?
D4C9B2 is registered to Quanergy Solutions Inc 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. Quanergy Solutions Inc's block covers 16,777,216 addresses.
What devices use D4C9B2?
Any network device with a MAC address starting D4:C9:B2 was manufactured by or for Quanergy Solutions Inc.