What this means
The IEEE assigned the MA-M block DC76C38 to J&J Philippines Corporation. 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 DC:76:C3:8, it is J&J Philippines Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix DC76C38?
DC76C38 is registered to J&J Philippines Corporation in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. J&J Philippines Corporation's block covers 1,048,576 addresses.
What devices use DC76C38?
Any network device with a MAC address starting DC:76:C3:8 was manufactured by or for J&J Philippines Corporation.