Who owns MAC prefix 743CDE?

743CDE is registered to Hewlett Packard Enterprise in the IEEE MA-L registry.

What devices use 743CDE?

Any network device with a MAC address starting 74:3C:DE was manufactured by or for Hewlett Packard Enterprise.

MA-L · OUI prefix

Hewlett Packard Enterprise

Any MAC address starting 74:3C:DE is registered to Hewlett Packard Enterprise in US.

OUI prefix	743CDE
Vendor	Hewlett Packard Enterprise
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	74:3C:DE:00:00:00

What this means

The IEEE assigned the MA-L block 743CDE to Hewlett Packard Enterprise. 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 74:3C:DE, it is Hewlett Packard Enterprise hardware.

Other Hewlett Packard Enterprise prefixes

Hewlett Packard Enterprise holds 176 registered blocks in total.

000B86 001438 001A1E 00246C 00C84E 00FD45 040973 04BD88 081814 089734 08F1EA 0C975F all 176 »

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