What this means
The IEEE assigned the MA-L block 48C58D to Lear Corporation 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 48:C5:8D, it is Lear Corporation GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 48C58D?
48C58D is registered to Lear Corporation 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. Lear Corporation GmbH's block covers 16,777,216 addresses.
What devices use 48C58D?
Any network device with a MAC address starting 48:C5:8D was manufactured by or for Lear Corporation GmbH.