List of best mirrors for IP address 3.128.168.219, 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/qscintilla2/libqscintilla2-qt5-dev_2.13.3+dfsg-3+rpi1_arm64.deb