...

Example of a request to the service using curl utility:
        curl -g http://192.168.42.197:8088/ottChecker/checkMac?mac=a8:f9:4b:22:22:22 --header "Accept: application/json"
Response:
        {"time":1536304889422,"macAddress":"a8:f9:4b:22:22:22","status":"No MAC detected","information":null,"error":{"code":null,"description":null}}

Service installation

        apt-get install eltex-ott-mac-checker