Who owns MAC prefix 1C334D?

1C334D is registered to ITS Telecom in the IEEE MA-L registry.

What devices use 1C334D?

Any network device with a MAC address starting 1C:33:4D was manufactured by or for ITS Telecom.

MA-L · OUI prefix

ITS Telecom

Any MAC address starting 1C:33:4D is registered to ITS Telecom in IL.

OUI prefix	1C334D
Vendor	ITS Telecom
Registry	MA-L (24-bit, large block)
Country	IL
Example MAC	1C:33:4D:00:00:00

What this means

The IEEE assigned the MA-L block 1C334D to ITS Telecom. 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 1C:33:4D, it is ITS Telecom hardware.

Look up another MAC