Who owns MAC prefix 58E876C?

58E876C is registered to KUSTOM SIGNALS INC in the IEEE MA-M registry.

What devices use 58E876C?

Any network device with a MAC address starting 58:E8:76:C was manufactured by or for KUSTOM SIGNALS INC.

MA-M · OUI prefix

KUSTOM SIGNALS INC

Any MAC address starting 58:E8:76:C is registered to KUSTOM SIGNALS INC in US.

OUI prefix	58E876C
Vendor	KUSTOM SIGNALS INC
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	58:E8:76:C:00:00:00

What this means

The IEEE assigned the MA-M block 58E876C to KUSTOM SIGNALS INC. 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 58:E8:76:C, it is KUSTOM SIGNALS INC hardware.

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