Who owns MAC prefix 00400D?

00400D is registered to LANNET DATA COMMUNICATIONS,LTD in the IEEE MA-L registry.

What devices use 00400D?

Any network device with a MAC address starting 00:40:0D was manufactured by or for LANNET DATA COMMUNICATIONS,LTD.

MA-L · OUI prefix

LANNET DATA COMMUNICATIONS,LTD

Any MAC address starting 00:40:0D is registered to LANNET DATA COMMUNICATIONS,LTD in IL.

OUI prefix	00400D
Vendor	LANNET DATA COMMUNICATIONS,LTD
Registry	MA-L (24-bit, large block)
Country	IL
Example MAC	00:40:0D:00:00:00

What this means

The IEEE assigned the MA-L block 00400D to LANNET DATA COMMUNICATIONS,LTD. 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 00:40:0D, it is LANNET DATA COMMUNICATIONS,LTD hardware.

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