Who owns MAC prefix 001F77?

001F77 is registered to HEOL DESIGN in the IEEE MA-L registry.

What devices use 001F77?

Any network device with a MAC address starting 00:1F:77 was manufactured by or for HEOL DESIGN.

MA-L · OUI prefix

HEOL DESIGN

Any MAC address starting 00:1F:77 is registered to HEOL DESIGN in FR.

OUI prefix	001F77
Vendor	HEOL DESIGN
Registry	MA-L (24-bit, large block)
Country	FR
Example MAC	00:1F:77:00:00:00

What this means

The IEEE assigned the MA-L block 001F77 to HEOL DESIGN. 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 00:1F:77, it is HEOL DESIGN hardware.

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