Who owns MAC prefix 54E019?

54E019 is registered to Ring LLC in the IEEE MA-L registry.

What devices use 54E019?

Any network device with a MAC address starting 54:E0:19 was manufactured by or for Ring LLC.

MA-L · OUI prefix

Ring LLC

Any MAC address starting 54:E0:19 is registered to Ring LLC in US.

OUI prefix	54E019
Vendor	Ring LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	54:E0:19:00:00:00

What this means

The IEEE assigned the MA-L block 54E019 to Ring LLC. 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 54:E0:19, it is Ring LLC hardware.

Other Ring LLC prefixes

Ring LLC holds 13 registered blocks in total.

00B463 187F88 242BD6 343EA4 50E467 5C475E 649A63 90486C 9C7613 AC9FC3 C4DBAD CC3BFB

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