Who owns MAC prefix 00C03B?

00C03B is registered to MULTIACCESS COMPUTING CORP. in the IEEE MA-L registry.

What devices use 00C03B?

Any network device with a MAC address starting 00:C0:3B was manufactured by or for MULTIACCESS COMPUTING CORP..

MA-L · OUI prefix

MULTIACCESS COMPUTING CORP.

Any MAC address starting 00:C0:3B is registered to MULTIACCESS COMPUTING CORP. in US.

OUI prefix	00C03B
Vendor	MULTIACCESS COMPUTING CORP.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:C0:3B:00:00:00

What this means

The IEEE assigned the MA-L block 00C03B to MULTIACCESS COMPUTING CORP.. 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:C0:3B, it is MULTIACCESS COMPUTING CORP. hardware.

Look up another MAC