List of best mirrors for IP address 3.137.200.226, 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/y/yggdrasil/golang-github-yggdrasil-network-yggdrasil-go-dev_0.5.12-2_all.deb