What this means
The IEEE assigned the MA-L block E4F327 to ATOL LLC. 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 E4:F3:27, it is ATOL LLC hardware.
Frequently Asked Questions
Who owns MAC prefix E4F327?
E4F327 is registered to ATOL LLC 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. ATOL LLC's block covers 16,777,216 addresses.
What devices use E4F327?
Any network device with a MAC address starting E4:F3:27 was manufactured by or for ATOL LLC.