Researches in IP technology by CNNIC revolve around the basic technologies of inter-networking — IP related technologies. As for IP, the research focuses on networking technologies in the category of　the trustworthy Internet; and in the aspect of Internet fundamental resources management, the research delves into developing efficient and safe technology for management of IP address resources; and in the category of　IP technology evolution, incessant efforts have been put into developing IP technology that supports new service offering models (such as cloud computing) and new technologies (such as IPv4/IPv6 transition technology, Internet of Things, and the mobile Internet) of the Internet. With researches as the basis, CNNIC propels the development of relevant technical standards, management policies and application prototypes. Based on the above researches, CNNIC also provides services with respect to technology consultation, access to experimental environment, training and so on.