Who owns MAC prefix 0000DF?

0000DF is registered to BELL & HOWELL PUB SYS DIV in the IEEE MA-L registry.

What devices use 0000DF?

Any network device with a MAC address starting 00:00:DF was manufactured by or for BELL & HOWELL PUB SYS DIV.

MA-L · OUI prefix

BELL & HOWELL PUB SYS DIV

Any MAC address starting 00:00:DF is registered to BELL & HOWELL PUB SYS DIV in US.

OUI prefix	0000DF
Vendor	BELL & HOWELL PUB SYS DIV
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:00:DF:00:00:00

What this means

The IEEE assigned the MA-L block 0000DF to BELL & HOWELL PUB SYS DIV. 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 00:00:DF, it is BELL & HOWELL PUB SYS DIV hardware.

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