List of best mirrors for IP address 3.145.12.233, 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/qtbase-opensource-src/libqt5test5_5.11.3+dfsg1-1+rpi1+deb10u5_arm64.deb