List of best mirrors for IP address 3.144.45.192, 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/libu/libusrsctp/libusrsctp_0.9.3.0+20190127-2+deb10u1.dsc