List of best mirrors for IP address 18.117.119.34, 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/libx/libxfce4ui/libxfce4ui-2-dev_4.16.0-1+b1_arm64.deb