Who owns MAC prefix 405ECF?

405ECF is registered to Esconet Technologies Limited in the IEEE MA-L registry.

What devices use 405ECF?

Any network device with a MAC address starting 40:5E:CF was manufactured by or for Esconet Technologies Limited.

MA-L · OUI prefix

Esconet Technologies Limited

Any MAC address starting 40:5E:CF is registered to Esconet Technologies Limited in IN.

OUI prefix	405ECF
Vendor	Esconet Technologies Limited
Registry	MA-L (24-bit, large block)
Country	IN
Example MAC	40:5E:CF:00:00:00

What this means

The IEEE assigned the MA-L block 405ECF to Esconet Technologies Limited. 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 40:5E:CF, it is Esconet Technologies Limited hardware.

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