Who owns MAC prefix 0019F2?

0019F2 is registered to Teradyne K.K. in the IEEE MA-L registry.

What devices use 0019F2?

Any network device with a MAC address starting 00:19:F2 was manufactured by or for Teradyne K.K..

MA-L · OUI prefix

Teradyne K.K.

Any MAC address starting 00:19:F2 is registered to Teradyne K.K. in JP.

OUI prefix	0019F2
Vendor	Teradyne K.K.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:19:F2:00:00:00

What this means

The IEEE assigned the MA-L block 0019F2 to Teradyne K.K.. 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:F2, it is Teradyne K.K. hardware.

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