Who owns MAC prefix 00193D?

00193D is registered to GMC Guardian Mobility Corp. in the IEEE MA-L registry.

What devices use 00193D?

Any network device with a MAC address starting 00:19:3D was manufactured by or for GMC Guardian Mobility Corp..

MA-L · OUI prefix

GMC Guardian Mobility Corp.

Any MAC address starting 00:19:3D is registered to GMC Guardian Mobility Corp..

OUI prefix	00193D
Vendor	GMC Guardian Mobility Corp.
Registry	MA-L (24-bit, large block)
Example MAC	00:19:3D:00:00:00

What this means

The IEEE assigned the MA-L block 00193D to GMC Guardian Mobility 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 00:19:3D, it is GMC Guardian Mobility Corp. hardware.

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