Who owns MAC prefix 0015EF?

0015EF is registered to NEC TOKIN Corporation in the IEEE MA-L registry.

What devices use 0015EF?

Any network device with a MAC address starting 00:15:EF was manufactured by or for NEC TOKIN Corporation.

MA-L · OUI prefix

NEC TOKIN Corporation

Any MAC address starting 00:15:EF is registered to NEC TOKIN Corporation in JP.

OUI prefix	0015EF
Vendor	NEC TOKIN Corporation
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:15:EF:00:00:00

What this means

The IEEE assigned the MA-L block 0015EF to NEC TOKIN 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 00:15:EF, it is NEC TOKIN Corporation hardware.

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