ISP check 16 mei 2021 Technologie Productsnelheid (Mbps) VDSL 107 Mbps / 22 Mbps VDSL 53 Mbps / 11 Mbps ADSL 14 Mbps / 0,992 Mbps ADSL 14 Mbps / 0,97 Mbps, ADSL VDSL 53 Mbps / 11 Mbps, VVDSL Post navigation ISP checkISP check