https://www.paessler.com/Download_PRTG/30_Day_Trial
AdUse PRTG as your IP Sniffer and IP traffic monitor to analyze your traffic more precisely. Professional IP scanning tool PRTG: auto-discovery, toplists and more than 200 sensors.
30 day trial - no limits · Create custom dashboards · All-in-one monitoring
Service catalog: Network Monitoring, Bandwidth Monitoring, Server Monitoring