MAC Address Lookup
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Ring LLC MAC address blocks

The IEEE registry carries 13 blocks registered to Ring LLC, together 218 million addresses, first observed 2 Mar 2019, most recently 22 Apr 2026.

Registered in US.

Prefix Block Addresses Country First registered
00:B4:63MA-L16.8 millionUS19 Dec 2025
18:7F:88MA-L16.8 millionUS20 Oct 2023
24:2B:D6MA-L16.8 millionUS30 Jul 2025
34:3E:A4MA-L16.8 millionUS2 Jul 2020
50:E4:67MA-L16.8 millionUS22 Apr 2026
54:E0:19MA-L16.8 millionUS2 Mar 2019
5C:47:5EMA-L16.8 millionUS22 Jul 2022
64:9A:63MA-L16.8 millionUS25 Mar 2023
90:48:6CMA-L16.8 millionUS22 Jan 2022
9C:76:13MA-L16.8 millionUS17 Jan 2021
AC:9F:C3MA-L16.8 millionUS14 Sep 2024
C4:DB:ADMA-L16.8 millionUS22 Jul 2025
CC:3B:FBMA-L16.8 millionUS19 Mar 2025

Every block registered to Ring LLC in the IEEE registries, complete. Free-text search also matches former owners.

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.