Who owns MAC prefix 00403B?

00403B is registered to SYNERJET INTERNATIONAL CORP. in the IEEE MA-L registry.

What devices use 00403B?

Any network device with a MAC address starting 00:40:3B was manufactured by or for SYNERJET INTERNATIONAL CORP..

MA-L · OUI prefix

SYNERJET INTERNATIONAL CORP.

Any MAC address starting 00:40:3B is registered to SYNERJET INTERNATIONAL CORP..

OUI prefix	00403B
Vendor	SYNERJET INTERNATIONAL CORP.
Registry	MA-L (24-bit, large block)
Example MAC	00:40:3B:00:00:00

What this means

The IEEE assigned the MA-L block 00403B to SYNERJET INTERNATIONAL 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 00:40:3B, it is SYNERJET INTERNATIONAL CORP. hardware.

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