Who owns MAC prefix B48910?

B48910 is registered to Coster T.E. S.P.A. in the IEEE MA-L registry.

What devices use B48910?

Any network device with a MAC address starting B4:89:10 was manufactured by or for Coster T.E. S.P.A..

MA-L · OUI prefix

Coster T.E. S.P.A.

Any MAC address starting B4:89:10 is registered to Coster T.E. S.P.A. in IT.

OUI prefix	B48910
Vendor	Coster T.E. S.P.A.
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	B4:89:10:00:00:00

What this means

The IEEE assigned the MA-L block B48910 to Coster T.E. S.P.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 B4:89:10, it is Coster T.E. S.P.A. hardware.

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