What this means
The IEEE assigned the MA-L block E48F09 to ithinx 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 E4:8F:09, it is ithinx GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix E48F09?
E48F09 is registered to ithinx 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. ithinx GmbH's block covers 16,777,216 addresses.
What devices use E48F09?
Any network device with a MAC address starting E4:8F:09 was manufactured by or for ithinx GmbH.