Monnit Corporation MAC address blocks

The IEEE registry carries 19 blocks registered to Monnit Corporation, together 1.1 million addresses, first observed 2 Aug 2015, most recently 13 Feb 2026.

Registered in US.

Prefix Block Addresses Country First registered
6C:47:80:5MA-M1 millionUS13 Feb 2026
70:B3:D5:02:EMA-S4.1 thousandUS5 Mar 2017
70:B3:D5:23:6MA-S4.1 thousandUS10 Dec 2017
70:B3:D5:37:7MA-S4.1 thousandUS2 Aug 2015
70:B3:D5:39:3MA-S4.1 thousandUS3 Apr 2020
70:B3:D5:A1:EMA-S4.1 thousandUS21 Jan 2021
70:B3:D5:D1:6MA-S4.1 thousandUS24 Jul 2019
70:B3:D5:D1:AMA-S4.1 thousandUS11 Dec 2018
8C:1F:64:06:DMA-S4.1 thousandUS30 Jul 2021
8C:1F:64:23:2MA-S4.1 thousandUS3 May 2023
8C:1F:64:48:BMA-S4.1 thousandUS12 Jan 2024
8C:1F:64:63:EMA-S4.1 thousandUS19 Apr 2025
8C:1F:64:66:EMA-S4.1 thousandUS9 May 2024
8C:1F:64:73:9MA-S4.1 thousandUS18 Jun 2022
8C:1F:64:94:EMA-S4.1 thousandUS22 Jan 2022
8C:1F:64:A2:8MA-S4.1 thousandUS27 Sep 2025
8C:1F:64:AD:7MA-S4.1 thousandUS19 Aug 2023
8C:1F:64:D1:AMA-S4.1 thousandUS17 Jan 2025
8C:1F:64:EC:FMA-S4.1 thousandUS24 Nov 2022

Every block registered to Monnit Corporation 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.