Tool

Here are is a Networktool  (PortScan.exe) for scanning from Ports. This will not detekted from Security Software (Antivirus)

follow Networkports are used from custo diagnostic:

Networkmonitoring

TCP 51394 bis 51404

CodeMeter

TCP 22350

kybe Online-Monitoring

TCP 4163

ec1000 / er2000 (Daum-Ergometer)

TCP 51955 

e5000

TCP 2100