ISP check 10 maart 2021 Technologie Productsnelheid (Mbps) VDSL 76 Mbps / 14 Mbps VDSL 40 Mbps / 8 Mbps ADSL 15 Mbps / 0,992 Mbps ADSL 15 Mbps / 0,97 Mbps, ADSL VDSL 39 Mbps / 8 Mbps, VVDSL Post navigation ISP checkISP check