MAC address 4C:EF:E1 (Dynacon Sp. z o.o.)

MAC address prefix 4C:EF:E1 is registered to Dynacon Sp. z o.o., located at Wrzosowa 2, Kąty Wrocławskie dolnośląskie 55-080, PL. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 27 October 2025, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
4C:EF:E1
Registrant / Organization
Dynacon Sp. z o.o.
Registry Chronology
Initial registration: 27 October 2025
Assignment Classification
MA-L

(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)

Registered Location

MAC Address Vendor Country Poland (PL) map
Country: Poland (PL)
Headquarters Registered Facility 🇵🇱 PL
Wrzosowa 2
Kąty Wrocławskie dolnośląskie 55-080
PL.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/4cefe1 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "4CEFE1",
  "company": "Dynacon Sp. z o.o.",
  "address": "Wrzosowa 2, Kąty Wrocławskie dolnośląskie 55-080, PL",
  "country": "PL",
  "blockStart": "4CEFE1000000",
  "blockEnd": "4CEFE1FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-10-27",
  "isRand": false,
  "isPrivate": false
}