4neXt S.r.l.s.

4neXt S.r.l.s. , manages 2 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 1.1 million addresses.

The allocation includes the following types: MA-M (Mac Address Block Medium, ~1 Million addresses each), and MA-S (Mac Address Block Small, previously named OUI-36, encompasses IAB Assignments, ~4096 addresses each).

The company registered its MAC address allocation on 02 April 2021, and the most recent update was made on 07 May 2025. These allocations support network identification and communication globally.

Unique prefixes: 2

Block Size: 1052670 (1.05 M)

First registration: 02 April 2021

Last updated: 07 May 2025

Types

MA-M:Mac Address Block Medium. Number of address 2^20 (~1 Million)

MA-S:Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC PrefixTypeRegistration Date
2C:7A:F4:9 MA-M2025-05-07
70:B3:D5:E4:1 MA-S2021-04-02