Who owns MAC prefix 00203C?

00203C is registered to EUROTIME AB in the IEEE MA-L registry.

What devices use 00203C?

Any network device with a MAC address starting 00:20:3C was manufactured by or for EUROTIME AB.

MA-L · OUI prefix

EUROTIME AB

Any MAC address starting 00:20:3C is registered to EUROTIME AB in SE.

OUI prefix	00203C
Vendor	EUROTIME AB
Registry	MA-L (24-bit, large block)
Country	SE
Example MAC	00:20:3C:00:00:00

What this means

The IEEE assigned the MA-L block 00203C to EUROTIME AB. 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 00:20:3C, it is EUROTIME AB hardware.

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