What this means
The IEEE assigned the MA-L block ACF97E to ELESYS INC.. 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 AC:F9:7E, it is ELESYS INC. hardware.
Frequently Asked Questions
Who owns MAC prefix ACF97E?
ACF97E is registered to ELESYS INC. 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. ELESYS INC.'s block covers 16,777,216 addresses.
What devices use ACF97E?
Any network device with a MAC address starting AC:F9:7E was manufactured by or for ELESYS INC..