给你一批ip段，对应某个城市，给你一个ip，快速返回城市名。[202.102.133.0,202.102.133.255]山东东营市[202.102.135.0,202.102.136.255]山东烟台[202.102.156.34,202.102.157.255]山东青岛[202.102.48.0,202.102.48.255]江苏宿迁[202.102.49.15,202.102.51.251]

阿里   223.5.5.5   223.6.6.6百度   180.76.76.76CNDNS   114.114.114.114   114.114.114.115南昌市电信   202.101.224.69   202.101.224.68山东电信   219.146.1.66   219.147.1.66广东省广州市(中国电信)首选DNS：202.96.