Who owns MAC prefix EC554D?

EC554D is registered to Private in the IEEE MA-L registry.

What devices use EC554D?

Any network device with a MAC address starting EC:55:4D was manufactured by or for Private.

MA-L · OUI prefix

Private

Any MAC address starting EC:55:4D is registered to Private.

OUI prefix	EC554D
Vendor	Private
Registry	MA-L (24-bit, large block)
Example MAC	EC:55:4D:00:00:00

What this means

The IEEE assigned the MA-L block EC554D to Private. 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:55:4D, it is Private hardware.

Other Private prefixes

Private holds 213 registered blocks in total.

000B18 000BF4 000C53 000D58 000DA7 000DC2 000DF2 000E17 000E22 000101 000578 000EEF all 213 »

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