Who owns MAC prefix 4454C0?

4454C0 is registered to Thompson Aerospace in the IEEE MA-L registry.

What devices use 4454C0?

Any network device with a MAC address starting 44:54:C0 was manufactured by or for Thompson Aerospace.

MA-L · OUI prefix

Thompson Aerospace

Any MAC address starting 44:54:C0 is registered to Thompson Aerospace in US.

OUI prefix	4454C0
Vendor	Thompson Aerospace
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	44:54:C0:00:00:00

What this means

The IEEE assigned the MA-L block 4454C0 to Thompson Aerospace. 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 44:54:C0, it is Thompson Aerospace hardware.

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