Who owns MAC prefix 00305C?

00305C is registered to SMAR Laboratories Corp. in the IEEE MA-L registry.

What devices use 00305C?

Any network device with a MAC address starting 00:30:5C was manufactured by or for SMAR Laboratories Corp..

MA-L · OUI prefix

SMAR Laboratories Corp.

Any MAC address starting 00:30:5C is registered to SMAR Laboratories Corp. in US.

OUI prefix	00305C
Vendor	SMAR Laboratories Corp.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:30:5C:00:00:00

What this means

The IEEE assigned the MA-L block 00305C to SMAR Laboratories 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 00:30:5C, it is SMAR Laboratories Corp. hardware.

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