What this means
The IEEE assigned the MA-L block E85E53 to Infratec Datentechnik GmbH. 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 E8:5E:53, it is Infratec Datentechnik GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix E85E53?
E85E53 is registered to Infratec Datentechnik GmbH 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. Infratec Datentechnik GmbH's block covers 16,777,216 addresses.
What devices use E85E53?
Any network device with a MAC address starting E8:5E:53 was manufactured by or for Infratec Datentechnik GmbH.