presto-main/src/main/java/io/prestosql/type/IpAddressOperators.java/IpAddressOperators/indeterminate
class IpAddressOperators:    @ScalarOperator(INDETERMINATE)
    @SqlType(StandardTypes.BOOLEAN)
    public static boolean indeterminate(@SqlType(StandardTypes.IPADDRESS) Slice value, @IsNull boolean isNull)
    {
        return isNull;
    }