RTR Internet Monitor Annual Review 2018 Author:RTRDate:21. 10. 2019 Below please find the first issue of the RTR Internet Monitor. With this new publication, RTR is responding to a trend that has been gaining momentum in recent years: internet access is becoming the basis for an ever-growing number of telecommunications and media services. The data tables contained in the RTR Internet Monitor are also available as open data (German): KEV market data respectively RTR-NetTest.