Who owns MAC prefix 000E51?

000E51 is registered to TECNA SpA in the IEEE MA-L registry.

What devices use 000E51?

Any network device with a MAC address starting 00:0E:51 was manufactured by or for TECNA SpA.

MA-L · OUI prefix

TECNA SpA

Any MAC address starting 00:0E:51 is registered to TECNA SpA in IT.

OUI prefix	000E51
Vendor	TECNA SpA
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	00:0E:51:00:00:00

What this means

The IEEE assigned the MA-L block 000E51 to TECNA SpA. 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 00:0E:51, it is TECNA SpA hardware.

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