Who owns MAC prefix 4048FD1?

4048FD1 is registered to Fast Programming in the IEEE MA-M registry.

What devices use 4048FD1?

Any network device with a MAC address starting 40:48:FD:1 was manufactured by or for Fast Programming.

MA-M · OUI prefix

Fast Programming

Any MAC address starting 40:48:FD:1 is registered to Fast Programming in SA.

OUI prefix	4048FD1
Vendor	Fast Programming
Registry	MA-M (28-bit, medium block)
Country	SA
Example MAC	40:48:FD:1:00:00:00

What this means

The IEEE assigned the MA-M block 4048FD1 to Fast Programming. 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 40:48:FD:1, it is Fast Programming hardware.

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