RIPE Atlas is an active measurements network with thousands of probes that run tests like ping, traceroute, and DNS to monitor the internet. RIPEstat is a toolbox that provides routing, registration, DNS, and geolocation data from various sources including RIPE Atlas. It has APIs and widgets to access the data. DNSMON is a new tool that monitors the quality of high-level DNS servers using measurements from RIPE Atlas anchors.