List of best mirrors for IP address 18.222.218.192, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/raspbian/pool/main/q/qtbase-opensource-src/qtbase-opensource-src_5.15.8+dfsg-11+rpi1+deb12u2.debian.tar.xz