MAC address EC:B5:AF (RayService a.s.)

MAC address prefix EC:B5:AF is registered to RayService a.s., located at Huštěnovská 2022, Staré Město Czech Republic 686 03, CZ. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 10 March 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation

Assigned Prefix

EC:B5:AF

Registrant / Organization

RayService a.s.

Registry Chronology

Initial registration: 10 March 2026

Assignment Classification

MA-L

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

Registered Location

Country: Czechia (CZ)

Headquarters Registered Facility 🇨🇿 CZ

Huštěnovská 2022
Staré Město Czech Republic 686 03
CZ.

REST API v2

200 OK

CLI curl -s https://api.maclookup.app/v2/macs/ecb5af -H 'Accept: application/json'

{
  "success": true,
  "found": true,
  "macPrefix": "ECB5AF",
  "company": "RayService a.s.",
  "address": "Huštěnovská 2022, Staré Město Czech Republic 686 03, CZ",
  "country": "CZ",
  "blockStart": "ECB5AF000000",
  "blockEnd": "ECB5AFFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-03-10",
  "isRand": false,
  "isPrivate": false
}