What this means
The IEEE assigned the MA-L block 80C45D to IPG Laser 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 80:C4:5D, it is IPG Laser GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 80C45D?
80C45D is registered to IPG Laser 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. IPG Laser GmbH's block covers 16,777,216 addresses.
What devices use 80C45D?
Any network device with a MAC address starting 80:C4:5D was manufactured by or for IPG Laser GmbH.