Who owns MAC prefix 0C17F1?

0C17F1 is registered to TELECSYS in the IEEE MA-L registry.

What devices use 0C17F1?

Any network device with a MAC address starting 0C:17:F1 was manufactured by or for TELECSYS.

MA-L · OUI prefix

TELECSYS

Any MAC address starting 0C:17:F1 is registered to TELECSYS in FR.

OUI prefix	0C17F1
Vendor	TELECSYS
Registry	MA-L (24-bit, large block)
Country	FR
Example MAC	0C:17:F1:00:00:00

What this means

The IEEE assigned the MA-L block 0C17F1 to TELECSYS. 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 0C:17:F1, it is TELECSYS hardware.

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