List of best mirrors for IP address 18.221.157.203, 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/libqt5sql5-ibase-dbgsym_5.15.8+dfsg-7+rpi1_arm64.deb