What this means
The IEEE assigned the MA-L block 1C23A2 to FRITZ! Technology 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 1C:23:A2, it is FRITZ! Technology GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 1C23A2?
1C23A2 is registered to FRITZ! Technology 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. FRITZ! Technology GmbH's block covers 16,777,216 addresses.
What devices use 1C23A2?
Any network device with a MAC address starting 1C:23:A2 was manufactured by or for FRITZ! Technology GmbH.