What this means
The IEEE assigned the MA-L block 2053CA to Risk Technology 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 20:53:CA, it is Risk Technology Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 2053CA?
2053CA is registered to Risk Technology 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. Risk Technology Ltd's block covers 16,777,216 addresses.
What devices use 2053CA?
Any network device with a MAC address starting 20:53:CA was manufactured by or for Risk Technology Ltd.