Who owns MAC prefix 001F23?

001F23 is registered to DGS Diagnostics A/S in the IEEE MA-L registry.

What devices use 001F23?

Any network device with a MAC address starting 00:1F:23 was manufactured by or for DGS Diagnostics A/S.

MA-L · OUI prefix

DGS Diagnostics A/S

Any MAC address starting 00:1F:23 is registered to DGS Diagnostics A/S in DK.

OUI prefix	001F23
Vendor	DGS Diagnostics A/S
Registry	MA-L (24-bit, large block)
Country	DK
Example MAC	00:1F:23:00:00:00

What this means

The IEEE assigned the MA-L block 001F23 to DGS Diagnostics A/S. 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 00:1F:23, it is DGS Diagnostics A/S hardware.

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