List of best mirrors for IP address 52.15.186.90, 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/s/shim-helpers-i386-signed/shim-helpers-i386-signed_1+15.8+1~deb11u1.dsc