Who owns MAC prefix 0019DF?

0019DF is registered to Thomson Inc. in the IEEE MA-L registry.

What devices use 0019DF?

Any network device with a MAC address starting 00:19:DF was manufactured by or for Thomson Inc..

MA-L · OUI prefix

Thomson Inc.

Any MAC address starting 00:19:DF is registered to Thomson Inc. in US.

OUI prefix	0019DF
Vendor	Thomson Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:19:DF:00:00:00

What this means

The IEEE assigned the MA-L block 0019DF to Thomson Inc.. 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:DF, it is Thomson Inc. hardware.

Other Thomson Inc. prefixes

Thomson Inc. holds 8 registered blocks in total.

001095 00189B 0024D1 002624 009064 0011E3 001E69

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