What this means
The IEEE assigned the MA-L block 74D7CA to Panasonic Automotive Systems Co.,Ltd. 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 74:D7:CA, it is Panasonic Automotive Systems Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 74D7CA?
74D7CA is registered to Panasonic Automotive Systems Co.,Ltd 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. Panasonic Automotive Systems Co.,Ltd's block covers 16,777,216 addresses.
What devices use 74D7CA?
Any network device with a MAC address starting 74:D7:CA was manufactured by or for Panasonic Automotive Systems Co.,Ltd.