List of best mirrors for IP address 3.131.38.100, located at 47.634800,-122.345100 in United States (US).
Map showing the closest mirrors
I am very sorry, but no mirror was found. Feel free to download directly:
http://93.93.128.193/raspbian/pool/main/libh/libheif/libheif1_1.19.7-1_armhf.deb