Who owns MAC prefix 441DB1?

441DB1 is registered to APTIV SERVICES US, LLC in the IEEE MA-L registry.

What devices use 441DB1?

Any network device with a MAC address starting 44:1D:B1 was manufactured by or for APTIV SERVICES US, LLC.

MA-L · OUI prefix

APTIV SERVICES US, LLC

Any MAC address starting 44:1D:B1 is registered to APTIV SERVICES US, LLC in US.

OUI prefix	441DB1
Vendor	APTIV SERVICES US, LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	44:1D:B1:00:00:00

What this means

The IEEE assigned the MA-L block 441DB1 to APTIV SERVICES US, LLC. 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 44:1D:B1, it is APTIV SERVICES US, LLC hardware.

Other APTIV SERVICES US, LLC prefixes

APTIV SERVICES US, LLC holds 4 registered blocks in total.

0022A0 2863BD 646911

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