Who owns MAC prefix 00C03E?

00C03E is registered to FA. GEBR. HELLER GMBH in the IEEE MA-L registry.

What devices use 00C03E?

Any network device with a MAC address starting 00:C0:3E was manufactured by or for FA. GEBR. HELLER GMBH.

MA-L · OUI prefix

FA. GEBR. HELLER GMBH

Any MAC address starting 00:C0:3E is registered to FA. GEBR. HELLER GMBH in DE.

OUI prefix	00C03E
Vendor	FA. GEBR. HELLER GMBH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:C0:3E:00:00:00

What this means

The IEEE assigned the MA-L block 00C03E to FA. GEBR. HELLER GMBH. 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:C0:3E, it is FA. GEBR. HELLER GMBH hardware.

Look up another MAC