What this means
The IEEE assigned the MA-L block 48DF1C to Wuhan NEC Fibre Optic Communications industry 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 48:DF:1C, it is Wuhan NEC Fibre Optic Communications industry Co. Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 48DF1C?
48DF1C is registered to Wuhan NEC Fibre Optic Communications industry 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. Wuhan NEC Fibre Optic Communications industry Co. Ltd's block covers 16,777,216 addresses.
What devices use 48DF1C?
Any network device with a MAC address starting 48:DF:1C was manufactured by or for Wuhan NEC Fibre Optic Communications industry Co. Ltd.