List of best mirrors for IP address 18.226.214.91, 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/libt/libtasn1-6/libtasn1-6-dev_4.19.0-3+b2_armhf.deb