MAC address vendor

smart-electronic GmbH MAC Prefixes: Registry Identification

Primary prefix
A4:5A:1C
Block
MA-L

Summary

// what this is
smart-electronic is registered to MAC prefix A4:5A:1C and 1 more in the IEEE OUI database. When a device's MAC address begins with A4:5A:1C, that block was registered by smart-electronic — the OUI identifies the maker of the network hardware, which is not always the brand on the device.
[ 01 ] — Context

About this vendor.

Updated  ·  Confidence: High  ·  2 sources  ·  How this page is checked

A MAC address beginning with A4:5A:1C or 50:2A:7E matches an IEEE MA-L assignment to smart-electronic GmbH; the match does not identify a particular device. The supplied records list two assignments under organization names that differ in spelling.

Both prefixes are 24 bits long, leaving 24 bits after each fixed prefix. Interpreting the listed prefixes as hexadecimal gives each prefix a Group bit of 0 and a Local bit of 0. These bit values are fixed for an exact literal prefix match; changing either bit creates a different prefix. RFC 7042 describes the Group and Local bits and the structure of 48-bit MAC identifiers.

Each 24-bit suffix permits 16,777,216 possible values. That is a mathematical address-space count, not a count of devices, deployed addresses, shipments, or observed traffic. A match supports identifying the registry assignment only; the supplied evidence does not establish a device category, product mapping, or current vendor identity.

Matching prefixes
A4:5A:1C and 50:2A:7E
Device category
Unknown from supplied evidence
Company
smart-electronic GmbH [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Registry
MA-L [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Prefixes
A4:5A:1C, 50:2A:7E [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Country
Germany [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Assignment dates
Unavailable in these records [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Device category
Unknown [Unknown] — https://standards-oui.ieee.org/oui/oui.csv
[ 02 ] — OUI prefixes

Assignments by IEEE.

2
// registered prefixes2
  1. A4:5A:1CMA-L
  2. 50:2A:7EMA-L
[ 03 ] — Related

Keep digging.