Who owns MAC prefix 00401B?

00401B is registered to PRINTER SYSTEMS CORP. in the IEEE MA-L registry.

What devices use 00401B?

Any network device with a MAC address starting 00:40:1B was manufactured by or for PRINTER SYSTEMS CORP..

MA-L · OUI prefix

PRINTER SYSTEMS CORP.

Any MAC address starting 00:40:1B is registered to PRINTER SYSTEMS CORP. in US.

OUI prefix	00401B
Vendor	PRINTER SYSTEMS CORP.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:40:1B:00:00:00

What this means

The IEEE assigned the MA-L block 00401B to PRINTER SYSTEMS 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 00:40:1B, it is PRINTER SYSTEMS CORP. hardware.

Other PRINTER SYSTEMS CORP. prefixes

PRINTER SYSTEMS CORP. holds 2 registered blocks in total.

008058

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