Who owns MAC prefix 40F9D5?

40F9D5 is registered to Tecore Networks in the IEEE MA-L registry.

What devices use 40F9D5?

Any network device with a MAC address starting 40:F9:D5 was manufactured by or for Tecore Networks.

MA-L · OUI prefix

Tecore Networks

Any MAC address starting 40:F9:D5 is registered to Tecore Networks in US.

OUI prefix	40F9D5
Vendor	Tecore Networks
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	40:F9:D5:00:00:00

What this means

The IEEE assigned the MA-L block 40F9D5 to Tecore Networks. 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 40:F9:D5, it is Tecore Networks hardware.

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