What this means
The IEEE assigned the MA-L block 503CCA to TECNO MOBILE 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 50:3C:CA, it is TECNO MOBILE LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix 503CCA?
503CCA is registered to TECNO MOBILE 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. TECNO MOBILE LIMITED's block covers 16,777,216 addresses.
What devices use 503CCA?
Any network device with a MAC address starting 50:3C:CA was manufactured by or for TECNO MOBILE LIMITED.