MAC address vendor

AEV, spol. s r. o. — 94:DC:4E (MA-L)

Primary prefix
94:DC:4E
Block
MA-L
Status
Active

Summary

// what this is
AEV, spol. s r. o is registered to MAC prefix 94:DC:4E in the IEEE OUI database. When a device's MAC address begins with 94:DC:4E, that block was registered by AEV, spol. s r. o — the OUI identifies the maker of the network hardware, which is not always the brand on the device.
// analyst note
94:DC:4E is a standard single-owner MA-L block, not a shared IEEE base, so attributing MAC addresses beginning 94:DC:4E to AEV, spol. s r. o. is a valid claim. This vendor holds only one OUI and no confirmed networked product model, so treat device-type identification as general (custom control modules/PCBs) rather than a specific model.
[ 01 ] — Context

About this vendor.

Updated  ·  Confidence: Likely  ·  7 sources  ·  How this page is checked

A MAC address starting with 94:DC:4E belongs to AEV, spol. s r. o., a Czech electronics manufacturer based in Kroměříž, and is typically seen on custom control modules, PCBs, or firmware-driven hardware it builds for automotive and aerospace clients rather than on a mass-market consumer device.

AEV, spol. s r. o. is a real, active company (Company Identification Number 15529231, incorporated 1991) confirmed via its own site and independent business-registry listings. It designs and produces custom printed circuit boards, firmware, and electronic control modules, holding certifications including ISO 9001, VDA 6.1, ISO 14001, and TISAX, plus the Czech military-aviation-manufacturing standard ČOS 051672. Named automotive clients include Škoda Auto, Volkswagen, Audi, Tatra, SEAT, Iveco, and Zetor.

IEEE records show only a single MA-L block, 94:DC:4E, registered to this company — no second or third OUI assignment was found under this exact name across the checked registry files. No independent device-level corroboration (forum post, packet capture, or product datasheet) was found publicly tying the 94:DC:4E prefix to a specific product model; the vendor's own material describes its product line only in general terms.

A similarly-named but unrelated Italian company, AEV Broadcast Srl, holds a separate MA-S sub-block under the large shared IEEE base 70:B3:D5. That base is sub-allocated to thousands of unrelated registrants, so AEV Broadcast Srl's block must not be conflated with, or cited as evidence for, this vendor's single-owner 94:DC:4E registration.

No CVE or security advisory was found for this vendor or the 94:DC:4E OUI as of an August 2026 search, and it is not listed as malware- or trojan-associated in any source checked. No assignment or registration date is published by IEEE for this OUI; any "date registered" figure on third-party lookup sites is a database artifact of that third party, not an IEEE fact.

Device class
Custom PCBs, firmware, and electronic control modules for automotive and aerospace applications [Likely] — https://aev.cz/en/
Also seen on
No specific networked product model publicly confirmed; general-purpose control-module manufacturing for named automotive OEM/Tier-1 clients [Likely] — https://aev.cz/en/
Block size
Single MA-L (/24) assignment; no additional OUI blocks found under this company name [Confirmed] — the IEEE MA-L registry 94DC4E
Do not confuse with
AEV Broadcast Srl (Italy), a distinct company holding a separate MA-S sub-block under the shared 70:B3:D5 IEEE base [Confirmed] — the IEEE MA-S registry (row: MA-S,70B3D50EA,AEV Broadcast Srl)
Security history
No CVE or malware association found as of an August 2026 search [Likely] — no source found (negative finding)
IEEE assignment
94:DC:4E → AEV, spol. s r. o., registered Jozky Silneho 2783/9, Kromeriz, CZ 76701 [Confirmed] — the IEEE MA-L registry 94DC4E
Registry / block size
MA-L (24-bit OUI); one IEEE prefix found for this company; the IEEE MA-S registry and the IEEE MA-M registry checked, no additional blocks found under this exact name [Confirmed] — the IEEE MA-L registry 94DC4E
HQ / country
Jozky Silneho 2783/9, Kromeriz, CZ 76701, Czech Republic [Confirmed] — the IEEE MA-L registry 94DC4E
Company status
active, real manufacturer (CIN 15529231, incorporated 1991) [Likely] — https://aev.cz/en/, https://www.emis.com/php/company-profile/CZ/Aev_Spol_S_R_O_en_1415465.html, https://tracxn.com/d/legal-entities/czech-republic/aev-spol.s-r.o./__xgvKV2Ymfgw1RADk6TCPb6BF_jKLT9LUFdOOsTU-H-c
Device types
custom PCBs, firmware, electronic control modules for automotive/aerospace use; no specific networked product model publicly confirmed [Likely] — https://aev.cz/en/
Notable clients
Škoda Auto, Volkswagen, Audi, Tatra, SEAT, Iveco, Zetor [Likely] — https://aev.cz/en/
Verified sample prefix
94:DC:4E (only known assignment) [Confirmed] — the IEEE MA-L registry 94DC4E
Distinct entity caution
AEV Broadcast Srl (Italy) holds an unrelated MA-S sub-block 70:B3:D5:0E:A under the shared IEEE base 70:B3:D5; not affiliated with AEV, spol. s r. o. [Confirmed] — the IEEE MA-S registry (row: MA-S,70B3D50EA,AEV Broadcast Srl)
Date-field note
IEEE's public OUI data publishes no assignment/registration date for this prefix; any third-party "date registered" figure is a database artifact, not an IEEE fact [Confirmed] — the IEEE MA-L registry
Security context
no CVE or security advisory found for this vendor or 94:DC:4E as of an August 2026 search; not malware/trojan-associated in any source checked [Likely] — no source found (negative finding)
[ 02 ] — OUI prefixes

Assignments by IEEE.

1
// registered prefixes1
  1. 94:DC:4EMA-L
[ 03 ] — Related

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