List of best mirrors for IP address 18.218.219.11, 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-designer_4.8.7+dfsg-18+rpi1+deb10u1_arm64.deb