What this means
The IEEE assigned the MA-L block EC97B2 to SUMEC Machinery & Electric Co.,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 EC:97:B2, it is SUMEC Machinery & Electric Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix EC97B2?
EC97B2 is registered to SUMEC Machinery & Electric Co.,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. SUMEC Machinery & Electric Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use EC97B2?
Any network device with a MAC address starting EC:97:B2 was manufactured by or for SUMEC Machinery & Electric Co.,Ltd..