Who owns MAC prefix 547FA8?

547FA8 is registered to TELCO systems, s.r.o. in the IEEE MA-L registry.

What devices use 547FA8?

Any network device with a MAC address starting 54:7F:A8 was manufactured by or for TELCO systems, s.r.o..

MA-L · OUI prefix

TELCO systems, s.r.o.

Any MAC address starting 54:7F:A8 is registered to TELCO systems, s.r.o..

OUI prefix	547FA8
Vendor	TELCO systems, s.r.o.
Registry	MA-L (24-bit, large block)
Example MAC	54:7F:A8:00:00:00

What this means

The IEEE assigned the MA-L block 547FA8 to TELCO systems, s.r.o.. 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 54:7F:A8, it is TELCO systems, s.r.o. hardware.

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