List of best mirrors for IP address 18.117.254.202, 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/k/kguiaddons/libkf5guiaddons-dev_5.103.0-1+rpi1_arm64.deb