Regulations Supervising Internet Protocol Address and Top Level Domain Name Registration Services Article 2

The terms used in these Regulations are defined as follows：1. IP Address: It refers to the address that is allocated to the device according to the Internet Protocol for identifying the location of the Internet device.2. Autonomous System Number（ASN）: An autonomous system is a collection of routers that use the same network protocol under a common administrative authority; an autonomous system number is a number for interconnection identification between autonomous systems, which is planned and allocated according to Internet Protocol.3. Domain Name: It refers to the hierarchical naming system consisting of letters, numbers or special symbols, separated by "dot," according to Internet Protocol.4. Domain Name System（DNS）: It refers to a system mapping domain names and IP addresses according to Internet Protocol. Its functions are achieved through the cooperation between resolvers and name servers to query resource records.5. Internet top level domain name（hereinafter referred to as Top Level Domain, TLD）: It refers to the top of the domain name tree hierarchy, that is, the combination of letters or string after the "dot" at the right end of the domain name. The top-level domains are divided into country code top-level domains and generic top-level domains.6. Country code Top Level Domain（ccTLD）: It refers to the top-level domain name recognized by the Internet Corporation for Assigned Names and Numbers（hereinafter referred to as ICANN）to represent a country or independent economy.7. Generic Top Level Domain（gTLD）: It refers to the top-level domain name recognized by ICANN, other than those prescribed in the preceding paragraph.8. Top Level Domain Registry Services（hereinafter referred to as domain registry services）: It refers to the service items of providing the lower-level domain registry service, managing the registration data, and providing the normal operation of the name server and resource records of the domain name system under the top-level domain name.9. Top Level Domain Name Registry: It refers to those recognized by ICANN to be engaged in domain name registration services. They are divided into country-code top-level domain name registry and generic top-level domain name registry, based on top-level domain name attributes. 210. Top-level domain name registrar（hereinafter referred to as Registrar）: It refers to the legal person organization that is entrusted by the top-level domain name registry prescribed in the preceding subparagraph to be engaged in accepting registration.11. IP address registry services（hereinafter referred to as IP address registry services）: It refers to the issuance and management of registration information of IP addresses and autonomous system numbers, and services of providing related registry management.12. IP address registry（hereinafter referred to as Internet Registry, IR）: It refers to an organization recognized by regional internet registry and is engaged in the management of IP address registration.13. National IP address registry（hereinafter referred to as National Internet Registry, NIR）: It refers to the IP address registry recognized by regional internet registry to represent our country.14. IP address agency issuer: It refers to the Internet service provider entrusted by the internet registry prescribed in Subparagraph 12 to agent the assignment of IP address.15. Registrant: It refers to a registrant who has entered into a contract with the registry or the authorized registrar of Paragraph 9 or 12, to complete the registration of an IP address, autonomous system number, or top-level domain name.16. Top-level domain name representing our country: It refers to the generic top-level domain name that is the same as the full name or abbreviation used by our country's participation in international organizations.