List of best mirrors for IP address 52.15.99.234, located at 39.962502,-83.006104 in United States (US).
Map showing the closest mirrors
I am very sorry, but no mirror was found. Feel free to download directly:
http://5.153.225.207/multiarch/pool/main/g/gcc-10/libstdc++-10-doc_10.2.1-6+rpi1_all.deb