What this means
The IEEE assigned the MA-L block 00133F to Eppendorf Instrumente 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 00:13:3F, it is Eppendorf Instrumente GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 00133F?
00133F is registered to Eppendorf Instrumente 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. Eppendorf Instrumente GmbH's block covers 16,777,216 addresses.
What devices use 00133F?
Any network device with a MAC address starting 00:13:3F was manufactured by or for Eppendorf Instrumente GmbH.