Who owns MAC prefix 001389?

001389 is registered to Redes de Telefonía Móvil S.A. in the IEEE MA-L registry.

What devices use 001389?

Any network device with a MAC address starting 00:13:89 was manufactured by or for Redes de Telefonía Móvil S.A..

MA-L · OUI prefix

Redes de Telefonía Móvil S.A.

Any MAC address starting 00:13:89 is registered to Redes de Telefonía Móvil S.A. in ES.

OUI prefix	001389
Vendor	Redes de Telefonía Móvil S.A.
Registry	MA-L (24-bit, large block)
Country	ES
Example MAC	00:13:89:00:00:00

What this means

The IEEE assigned the MA-L block 001389 to Redes de Telefonía Móvil S.A.. 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 00:13:89, it is Redes de Telefonía Móvil S.A. hardware.

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