def METHOD_NAME():
    assert not is_valid_ip_address("asdfadsf:143")
    assert not is_valid_ip_address("asdfadsf")
    assert not is_valid_ip_address("0.0.0.0.0")
    assert not is_valid_ip_address("0.0.0.")
    assert not is_valid_ip_address(".0.0.0")
    assert not is_valid_ip_address("x.0.0.0")
    assert not is_valid_ip_address("255.255.255.256")
    assert not is_valid_ip_address("255.255.256.255")
    assert not is_valid_ip_address("255.256.255.255")
    assert not is_valid_ip_address("256.255.255.255")
    assert not is_valid_ip_address("256.256.256.256")
    assert not is_valid_ip_address("")