Who owns MAC prefix E44CC73?

E44CC73 is registered to JSC "Svyaz Inginiring M" in the IEEE MA-M registry.

What devices use E44CC73?

Any network device with a MAC address starting E4:4C:C7:3 was manufactured by or for JSC "Svyaz Inginiring M".

MA-M · OUI prefix

JSC "Svyaz Inginiring M"

Any MAC address starting E4:4C:C7:3 is registered to JSC "Svyaz Inginiring M" in RU.

OUI prefix	E44CC73
Vendor	JSC "Svyaz Inginiring M"
Registry	MA-M (28-bit, medium block)
Country	RU
Example MAC	E4:4C:C7:3:00:00:00

What this means

The IEEE assigned the MA-M block E44CC73 to JSC "Svyaz Inginiring M". 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 E4:4C:C7:3, it is JSC "Svyaz Inginiring M" hardware.

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