What this means
The IEEE assigned the MA-L block 4007C0 to Railtec 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 40:07:C0, it is Railtec Systems GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 4007C0?
4007C0 is registered to Railtec 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. Railtec Systems GmbH's block covers 16,777,216 addresses.
What devices use 4007C0?
Any network device with a MAC address starting 40:07:C0 was manufactured by or for Railtec Systems GmbH.