Who owns MAC prefix 34C0F9?

34C0F9 is registered to Rockwell Automation in the IEEE MA-L registry.

What devices use 34C0F9?

Any network device with a MAC address starting 34:C0:F9 was manufactured by or for Rockwell Automation.

MA-L · OUI prefix

Rockwell Automation

Any MAC address starting 34:C0:F9 is registered to Rockwell Automation in US.

OUI prefix	34C0F9
Vendor	Rockwell Automation
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	34:C0:F9:00:00:00

What this means

The IEEE assigned the MA-L block 34C0F9 to Rockwell Automation. 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 34:C0:F9, it is Rockwell Automation hardware.

Other Rockwell Automation prefixes

Rockwell Automation holds 14 registered blocks in total.

0000BC 001D9C 086195 184C08 404101 44CC6E 5C2167 5C8816 68C8EB BCF499 E48EBB E49069 all 14 »

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