List of best mirrors for IP address 3.12.153.19, 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/u/util-linux/libsmartcols1-udeb_2.33.1-0.1+deb10u1_armhf.udeb