What this means
The IEEE assigned the MA-L block 001F53 to GEMAC Chemnitz 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 00:1F:53, it is GEMAC Chemnitz GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 001F53?
001F53 is registered to GEMAC Chemnitz 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. GEMAC Chemnitz GmbH's block covers 16,777,216 addresses.
What devices use 001F53?
Any network device with a MAC address starting 00:1F:53 was manufactured by or for GEMAC Chemnitz GmbH.