Who owns MAC prefix 001B49?

001B49 is registered to Roberts Radio limited in the IEEE MA-L registry.

What devices use 001B49?

Any network device with a MAC address starting 00:1B:49 was manufactured by or for Roberts Radio limited.

MA-L · OUI prefix

Roberts Radio limited

Any MAC address starting 00:1B:49 is registered to Roberts Radio limited.

OUI prefix	001B49
Vendor	Roberts Radio limited
Registry	MA-L (24-bit, large block)
Example MAC	00:1B:49:00:00:00

What this means

The IEEE assigned the MA-L block 001B49 to Roberts Radio limited. 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 00:1B:49, it is Roberts Radio limited hardware.

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