bytes.length == 4,
        "Byte array has invalid length for an IPv4 address: %s != 4.",
        bytes.length);

    // Given a 4-byte array, this cast should always succeed.
    return (Inet4Address) bytesToInetAddress(bytes, null);
  }

  /**
   * Returns the {@link InetAddress} having the given string representation.
   *
   * <p>This deliberately avoids all nameservice lookups (e.g. no DNS).
   *