Who owns MAC prefix EC9A74?

EC9A74 is registered to Hewlett Packard in the IEEE MA-L registry.

What devices use EC9A74?

Any network device with a MAC address starting EC:9A:74 was manufactured by or for Hewlett Packard.

MA-L · OUI prefix

Hewlett Packard

Any MAC address starting EC:9A:74 is registered to Hewlett Packard in US.

OUI prefix	EC9A74
Vendor	Hewlett Packard
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	EC:9A:74:00:00:00

What this means

The IEEE assigned the MA-L block EC9A74 to Hewlett Packard. 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 EC:9A:74, it is Hewlett Packard hardware.

Other Hewlett Packard prefixes

Hewlett Packard holds 150 registered blocks in total.

0002A5 0004EA 000802 000883 0008C7 000A57 000BCD 000D9D 000E7F 000EB3 000F20 000F61 all 150 »

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