Fun fact: in Go, an IPv4 address is internally represented as an IPv6 address, starting with ten zeroes and two 0xffs. The IPv4 address is copied in the last fo

Fun fact: in Go, an IPv4 address is internally represented as an IPv6 address, starting with ten zeroes and two 0xffs. The IPv4 address is copied in the last four bytes. https://cs.opensource.google/go/go/+/refs/tags/go1.23.1:src/net/ip.go;l=53 https://cs.opensource.google/go/go/+/refs/tags/go1.23.1:src/... This is called an IPv4-Mapped Address. https://www.rfc-editor.org/rfc/rfc5156#section-2.2 https://www.rfc-editor.org/rfc/rfc5156#section-2.2