Who owns MAC prefix 00050B?

00050B is registered to SICOM Systems, Inc. in the IEEE MA-L registry.

What devices use 00050B?

Any network device with a MAC address starting 00:05:0B was manufactured by or for SICOM Systems, Inc..

MA-L · OUI prefix

SICOM Systems, Inc.

Any MAC address starting 00:05:0B is registered to SICOM Systems, Inc. in US.

OUI prefix	00050B
Vendor	SICOM Systems, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:05:0B:00:00:00

What this means

The IEEE assigned the MA-L block 00050B to SICOM Systems, Inc.. 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 00:05:0B, it is SICOM Systems, Inc. hardware.

Look up another MAC