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GB/T 45282-2025: IPv6 address assignment and encoding rules - General requirements
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GB/T 45282-2025: IPv6 address assignment and encoding rules - General requirements

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GB/T 45282-2025 English version. IPv6 address assignment and encoding rules - General requirements ICS 33.040 CCSL78 National Standard of the People's Republic of China General requirements for IPv6 address allocation and encoding rules Released on 2025-02-28 2025-06-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 2 5 IPv6 address representation 3 5.1 Hexadecimal representation of numbers 3 5.2 Address Prefix Notation 3 6 IPv6 address allocation and encoding principles 3 7 IPv6 address allocation and encoding rules 4 7.1 General 4 7.2 IPv6 unicast address 5 7.3 IPv6 multicast address 7 7.4 IPv6 Anycast Address 8 8 IPv6 address allocation and encoding rules selection 8 9 IPv6 address management requirements 8 Reference 10

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This document was prepared by the National Communications Standardization Technical Committee (SAC/TC485) and the National Cyber Security Standardization Technical Committee (SAC/TC260). Centralized. This document was drafted by. China Academy of Information and Communications Technology, China Internet Network Information Center, National Computer Network Emergency Response Technical Processing Association Coordination Center, China Telecom Group Co., Ltd., China Mobile Communications Group Co., Ltd., China Unicom Group Co., Ltd., China Science and Technology College Computer Network Information Center, China National Petroleum and Natural Gas Pipeline Network Corporation, Huawei Technologies Co., Ltd., ZTE Corporation company. The main drafters of this document are. Wang Zhifeng, Li Yuan, Wu Yipo, Wang Lidong, Shen Zhi, Liu Shiying, Ma Qiongfang, Wang Haijun, Qu Jiewu, Wang Wenlei, Li Jingjing, Zhou Jihua, Wang Xuan, Zheng Zhongmin, Tu Libiao, Liu Yongwei, Pei Changhua, Wang Li. General requirements for IPv6 address allocation and encoding rules

1 Scope

This document specifies the rules for allocating and encoding IPv6 addresses used in China. This document applies to the allocation and coding of all IPv6 addresses used in China, including addresses applied for from domestic address allocation agencies. The allocation and coding of addresses and addresses applied for from international organizations with IP address management rights.

2 Normative references

This document has no normative references.

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 IPv6 addressIPv6address A 128-bit identifier used to identify an IPv6 network interface or a group of IPv6 network interfaces. 3.2 node A device that uses IPv6. 3.3 link A connection from one node to an adjacent node without any other routing forwarding nodes in between. 3.4 interface The connection between a node and a link. [Source. YD/T 2415-2012] 3.5 virtualinterface An interface established through configuration that enables data exchange functions. 3.6 Site A collection of nodes, links, etc., with an independent global routing prefix. Example. The site is shown in Figure 1. ...