Who owns MAC prefix 041119A?

041119A is registered to CyOne Security AG in the IEEE MA-M registry.

What devices use 041119A?

Any network device with a MAC address starting 04:11:19:A was manufactured by or for CyOne Security AG.

MA-M · OUI prefix

CyOne Security AG

Any MAC address starting 04:11:19:A is registered to CyOne Security AG in CH.

OUI prefix	041119A
Vendor	CyOne Security AG
Registry	MA-M (28-bit, medium block)
Country	CH
Example MAC	04:11:19:A:00:00:00

What this means

The IEEE assigned the MA-M block 041119A to CyOne Security AG. 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 04:11:19:A, it is CyOne Security AG hardware.

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