Chapter 1 Development and use of basic internet resources

Basic internet resources provide an essential foundation for building a strong cyber nation and play a key supporting role in the deep integration of the real and digital economies. In the first half of 2025, the construction of 5G and gigabit fibre broadband networks continued, while mobile internet traffic maintained relatively rapid growth, supporting further high-quality development of the information and communications industry.

1 Development of basic internet resources

As at June 2025, China held approximately 343.19 million IPv4 addresses and 68,567 /32 IPv6 address blocks, with 836 million active IPv6 users. China had 32.62 million domain names,²⁵ including 20.85 million .CN domains, and 1.234 billion internet broadband access ports.

Table 1 Basic internet resources in June 2025

IP addresses

As at June 2025, China held 68,567 /32 IPv6 address blocks. An assessment of IPv6 support among 23 major public recursive resolver services worldwide found that 14 provided public recursive services over IPv6, accounting for approximately 60.9%.

Active IPv6 users in China reached 836 million in the first half of 2025.

As at June 2025, China held approximately 343.19 million IPv4 addresses.

Domain names

As at June 2025, China had 32.62 million domain names. These included 20.85 million .CN domains, 6.94 million .COM domains, 160,000 .中国 domains and 3.18 million new generic top-level domains.

Table 2 Domain names by category

Table 3 CN domain names by category

5G base stations

As at June 2025, the total number of 5G base stations reached 4.549 million.

Internet broadband access ports

As at June 2025, China had 1.234 billion internet broadband access ports, a net increase of 32.44 million compared with December 2024. Fibre-to-the-home or office ports reached 1.193 billion, a net increase of 32.64 million, accounting for 96.6% of all broadband access ports. There were 30.22 million 10G PON ports capable of providing gigabit services, a net increase of 2.019 million compared with December 2024.

Total length of fibre-optic cable routes

As at June 2025, the total length of China's fibre-optic cable routes reached 73.77 million kilometres, up 9.9% year on year.

2 Use of basic internet resources

Websites

As at June 2025, China had 4.56 million websites.

Mobile internet traffic

In the first half of 2025, total mobile internet traffic²⁹ reached 186.7 billion GB, an increase of 16.4% year on year.

56th report · July 2025 data · V1.0