What this means
The IEEE assigned the MA-L block 7C438F to E-Band Communications Corp.. 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 7C:43:8F, it is E-Band Communications Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 7C438F?
7C438F is registered to E-Band Communications Corp. 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. E-Band Communications Corp.'s block covers 16,777,216 addresses.
What devices use 7C438F?
Any network device with a MAC address starting 7C:43:8F was manufactured by or for E-Band Communications Corp..