Package ip2country provides IPv4 and IPv6 address to country lookups in Go.
go get github.com/amitybell/ip2country
package main
import (
"github.com/amitybell/ip2country"
"fmt"
)
func main() {
fmt.Println(ip2country.LookupString("1.2.3.4"))
}
The package itself is distributed under the MIT license.
The database is compiled from the MaxMind geolite2-city CSVs distributed by https://github.com/sapics/ip-location-db/tree/main/geolite2-country and is therefore subject to the MaxMind EULA https://www.maxmind.com/en/geolite2/eula