Who owns MAC prefix C87765?

C87765 is registered to Tiesse SpA in the IEEE MA-L registry.

What devices use C87765?

Any network device with a MAC address starting C8:77:65 was manufactured by or for Tiesse SpA.

MA-L · OUI prefix

Tiesse SpA

Any MAC address starting C8:77:65 is registered to Tiesse SpA in IT.

OUI prefix	C87765
Vendor	Tiesse SpA
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	C8:77:65:00:00:00

What this means

The IEEE assigned the MA-L block C87765 to Tiesse 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 C8:77:65, it is Tiesse SpA hardware.

Other Tiesse SpA prefixes

Tiesse SpA holds 2 registered blocks in total.

000D5A

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