List of best mirrors for IP address 18.117.129.247, 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/k/kf6-kconfigwidgets/libkf6configwidgets-dev_6.11.0-1+rpi1_armhf.deb