2. 
http://www.23.229.103.148 |

http://m.23.229.103.148 |

http://wap.23.229.103.148 |

http://3g.23.229.103.148 |

http://4g.23.229.103.148 |

http://5g.23.229.103.148 |

http://mobile.23.229.103.148 |

http://vip.23.229.103.148 |

http://ios.23.229.103.148 |

http://anzhuo.23.229.103.148 |

http://09ac.23.229.103.148 |

http://b.23.229.103.148 |

http://463.23.229.103.148 |

http://2c12e.23.229.103.148 |

http://e.23.229.103.148 |

http://83.23.229.103.148 |

四级应急响应是指哪些