What this means
The IEEE assigned the MA-L block E48501 to Geberit International AG. 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 E4:85:01, it is Geberit International AG hardware.
Frequently Asked Questions
Who owns MAC prefix E48501?
E48501 is registered to Geberit International AG 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. Geberit International AG's block covers 16,777,216 addresses.
What devices use E48501?
Any network device with a MAC address starting E4:85:01 was manufactured by or for Geberit International AG.