What this means
The IEEE assigned the MA-L block C455A6 to Cadac Holdings 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 C4:55:A6, it is Cadac Holdings Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix C455A6?
C455A6 is registered to Cadac Holdings 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. Cadac Holdings Ltd's block covers 16,777,216 addresses.
What devices use C455A6?
Any network device with a MAC address starting C4:55:A6 was manufactured by or for Cadac Holdings Ltd.