List of best mirrors for IP address 18.116.10.48, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/multiarch/pool/main/q/qt4-x11/qt4-qmlviewer_4.8.7+dfsg-18+rpi1+deb10u1_arm64.deb