ISP check 29 april 2021 Technologie Productsnelheid (Mbps) VDSL 19 Mbps / 2 Mbps ADSL 14 Mbps / 0,992 Mbps ADSL 14 Mbps / 0,97 Mbps, ADSL VDSL 18 Mbps / 2 Mbps, VVDSL Post navigation ISP checkISP check