List of best mirrors for IP address 18.224.54.118, 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/l/llvm-toolchain-11/libclang-cpp11-dbgsym_11.0.1-2+rpi1_arm64.deb