What this means
The IEEE assigned the MA-L block ECB5FA to Philips Lighting 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 EC:B5:FA, it is Philips Lighting BV hardware.
Frequently Asked Questions
Who owns MAC prefix ECB5FA?
ECB5FA is registered to Philips Lighting 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 Lighting BV's block covers 16,777,216 addresses.
What devices use ECB5FA?
Any network device with a MAC address starting EC:B5:FA was manufactured by or for Philips Lighting BV.