What this means
The IEEE assigned the MA-L block 80C501 to OctoGate IT Security Systems 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:C5:01, it is OctoGate IT Security Systems GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 80C501?
80C501 is registered to OctoGate IT Security Systems 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. OctoGate IT Security Systems GmbH's block covers 16,777,216 addresses.
What devices use 80C501?
Any network device with a MAC address starting 80:C5:01 was manufactured by or for OctoGate IT Security Systems GmbH.