Who owns MAC prefix 00087B?

00087B is registered to RTX Telecom A/S in the IEEE MA-L registry.

What devices use 00087B?

Any network device with a MAC address starting 00:08:7B was manufactured by or for RTX Telecom A/S.

MA-L · OUI prefix

RTX Telecom A/S

Any MAC address starting 00:08:7B is registered to RTX Telecom A/S in DK.

OUI prefix	00087B
Vendor	RTX Telecom A/S
Registry	MA-L (24-bit, large block)
Country	DK
Example MAC	00:08:7B:00:00:00

What this means

The IEEE assigned the MA-L block 00087B to RTX Telecom A/S. 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 00:08:7B, it is RTX Telecom A/S hardware.

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