What devices use 70B3D551E?

Any network device with a MAC address starting 70:B3:D5:51:E was manufactured by or for Fundación Cardiovascular de Colombia.

MA-S · OUI prefix

Fundación Cardiovascular de Colombia

Q: Who owns MAC prefix 70B3D551E?

70B3D551E is registered to Fundación Cardiovascular de Colombia in the IEEE MA-S registry.

Any MAC address starting 70:B3:D5:51:E is registered to Fundación Cardiovascular de Colombia in CO.

OUI prefix	70B3D551E
Vendor	Fundación Cardiovascular de Colombia
Registry	MA-S (36-bit, small block)
Country	CO
Example MAC	70:B3:D5:51:E:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D551E to Fundación Cardiovascular de Colombia. 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 70:B3:D5:51:E, it is Fundación Cardiovascular de Colombia hardware.

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