What this means
The IEEE assigned the MA-L block 1C5A6B to Philips Electronics Nederland BV. 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:5A:6B, it is Philips Electronics Nederland BV hardware.
Frequently Asked Questions
Who owns MAC prefix 1C5A6B?
1C5A6B is registered to Philips Electronics Nederland BV 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. Philips Electronics Nederland BV's block covers 16,777,216 addresses.
What devices use 1C5A6B?
Any network device with a MAC address starting 1C:5A:6B was manufactured by or for Philips Electronics Nederland BV.