List of best mirrors for IP address 3.16.50.1, 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/n/nx-libs/libnx-x11-dev_3.5.99.19-3+deb10u2_arm64.deb