Information networks are mainly composed of telecommunication networks, radio and television networks and various computer networks. As a synonym for information infrastructure centered on large and medium-sized cities, information port has the local characteristics of city-centered. No matter the scale of information port, the local basic information facilities under construction and planned in China can be summarized in two parts: local multimedia high-speed communication network and external interconnection infrastructure. The construction of information port focuses on the top ten information projects, mainly including the construction of broadband metropolitan area network, government internet access project, e-commerce platform, information port network management center and high-tech zone software park.

The information ports on the network are: 1 Zhongshan Information Port 2 Yunnan Information Port 3 Qingdao Information Port 4 Jining Information Port 5 Weihai Information Port 6 Zibo Information Port 7 Handan Information Port 8 Heze Information Port 9 Anshan Information Port 11 Shaoxing Information Port 11 Changzhou Information Port 12 Liaocheng Information Port 13 Jinan Information Port 14 Xingtai Information Port 15 Shangdu Information Port 16 Weifang Information Port 17 Nanyang Information Port 18 Tongliao Information Port 19 Heilongjiang Information Port 21 Daqing Information Port 2. 1 Luoyang Information Port 22 Dongying Information Port 23 Daqing Oilfield Information Port 24 Guizhou Information Port 25 Jiaozuo Information Port 26 Anyang Information Port 27 Xinxiang Information Port 28 Puyang Information Port 29 Jilin Information Port 31 Harbin Information Port 31 Yibin Information Port 32 Wuxi Information Port 33 Linyi Information Port 34 Rizhao Information Port 35 Loudi Information Port 36 Shantou Information Port 37 Taizhou Information Port 38 Luohe Information Port 39 Xinyu Information Port 41 Foshan Information Port 41 Qinhuangdao Information Port 4 2 Jiangyin Information Port 43 Lianyungang Information Port 44 Zaozhuang Information Port 45 Cangzhou Information Port 46 Lishui Information Port 47 Laiwu Information Port 48 Ganzhou Information Port 49 Ningxia Information Port 51 Zhongyuan Oilfield Information Port 51 Zhucheng Information Port 52 Hunan Information Port 53 Liyang Information Port 54 Guang 'an Information Port 55 Hetao Information Port 56 Anqing Information Port 57 Jiyuan Information Port 58 Jiaonan Information Port 59 Qujing Information Port 61 Xuchang Information Port 61 Dali Information Port 62 North Zhejiang Information Port 63 Yantai Information Harbor 64 Hohhot Information Harbor 65 Baotou Information Harbor 66 Tieling Information Harbor 67 Hulunbeier Information Harbor 68 Tonghua Information Harbor 69 Huizhou Information Harbor 71 Maanshan Information Harbor 71 Wuhai Information Harbor 72 Wuhu Information Harbor 73 Chifeng Information Harbor 74 Wujiang Information Harbor 75 Qiannan Information Harbor 76 Jiujiang Information Harbor 77 Gaomi Information Harbor 78 Linqu Information Harbor 79 Changchun Information Harbor 81 Yingkou Information Harbor 81 Pingxiang Information Harbor 82 Sanmenxia Information Harbor 83 Beijing Information Harbor. 84 Xianyang Information Port 85 Tengzhou Information Port 86 Yichun Information Port 87 Binzhou Information Port 88 Hegang Information Port 89 Chuxiong Information Port 91 Qingdao Development Zone Information Port 91 Zhangqiu Information Port 92 Fuling Information Port 93 Huangdao Information Port 94 Shangqiu Information Port 95 Ji 'an Information Port 96 Xinyang Information Port 97 Shengzhou Information Port 98 Zhoushan Information Port 99 Yanbian Information Port 111 Pingdingshan Information Port

Part of the definition comes from the network. The concept of "information port" is the product of the wave of broadband enclosure led by Tian Suning.

In August, 2111, Netcom Holdings registered and established "Netcom Broadband" with RMB 31 million in cash and RMB 711 million in company assets. Then, through joint venture, cooperation and acquisition, Netcom Broadband established about 11 broadband full-service joint ventures with local broadband metropolitan area networks in Hangzhou, Ningbo, Yangzhou, Qingdao, Wenzhou, Chongqing and other places, focusing on broadband access, and the "Netcom Information Port" was born. In 2115, Shangdu Information Port, the portal website of Henan Province, integrated the information port resources of 18 cities in Henan Province and officially changed its name to "Shangdu.com", which belongs to China Netcom Co., Ltd. Henan Branch.

On October 5, 2118, China Netcom and China Unicom formally merged and reorganized, and the "Netcom Information Port" was renamed as "Unicom Information Port". The specific division of information ports

Generally speaking, information ports are set up by government departments; Individual proposals are all specifically divided into information ports, such as Xuchang Information Port, which is divided into a "life information". When the information can be subdivided, it is the most beneficial time for the people. Therefore, everyone is encouraged to subdivide information and reduce spam.