What this means
The IEEE assigned the MA-L block EC83B7 to PUWELL CLOUD TECH 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 EC:83:B7, it is PUWELL CLOUD TECH LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix EC83B7?
EC83B7 is registered to PUWELL CLOUD TECH 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. PUWELL CLOUD TECH LIMITED's block covers 16,777,216 addresses.
What devices use EC83B7?
Any network device with a MAC address starting EC:83:B7 was manufactured by or for PUWELL CLOUD TECH LIMITED.