Who owns MAC prefix 001000?

001000 is registered to CABLE TELEVISION LABORATORIES, INC. in the IEEE MA-L registry.

What devices use 001000?

Any network device with a MAC address starting 00:10:00 was manufactured by or for CABLE TELEVISION LABORATORIES, INC..

MA-L · OUI prefix

CABLE TELEVISION LABORATORIES, INC.

Any MAC address starting 00:10:00 is registered to CABLE TELEVISION LABORATORIES, INC. in US.

OUI prefix	001000
Vendor	CABLE TELEVISION LABORATORIES, INC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:10:00:00:00:00

What this means

The IEEE assigned the MA-L block 001000 to CABLE TELEVISION LABORATORIES, 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 00:10:00, it is CABLE TELEVISION LABORATORIES, INC. hardware.

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