Core Insights - The fourth China IPv6 Innovation Development Conference released the "China IPv6 Development Report (2025)", highlighting significant advancements in IPv6 development in China, with key indicators showing rapid growth and a positive development trend [1] Group 1: Key Development Indicators - As of September 2025, the number of active IPv6 users in China reached 865 million, a 294-fold increase from 2.93 million in 2017, with a user penetration rate of 77.02% [1] - The proportion of IPv6 traffic in total mobile and fixed network traffic reached 34.02%, with mobile network IPv6 traffic averaging 69.02%, a nearly 14-fold increase since the end of 2019 [1] - In February 2023, mobile network IPv6 traffic surpassed 50% for the first time, marking a historic shift where IPv6 traffic exceeded IPv4 traffic [1] Group 2: Network Infrastructure Upgrades - Major telecom companies in China have completed IPv6 upgrades across their backbone networks, metropolitan area networks, and 4G networks, with all new 5G networks and gigabit optical networks also supporting IPv6 [3] - By September 2025, the international IPv6 bandwidth of the three major telecom companies reached 11.32 Tbps, over 100 times the capacity in 2019 [3] Group 3: Application Infrastructure Improvements - All major telecom companies have completed IPv6 upgrades for their data centers and DNS, with over 95% of cloud products now supporting IPv6 [5] - The IPv6 support rate for major content delivery networks (CDN) reached 94.93% as of September 2025, with enhanced capabilities for IPv6 traffic acceleration [5] Group 4: Terminal Support Capabilities - All new mobile terminals since 2019 are configured to support both IPv4 and IPv6, with major smartphone brands enabling IPv6 by default [7] - As of September 2025, the IPv6 activation rate for home gateways reached 96.86%, and over 90% of home routers in use support IPv6 [7] Group 5: Expanding Application Depth and Breadth - Government websites and services have significantly improved their IPv6 support, with over 95% of county-level government portals now IPv6 compatible [9] - The IPv6 support rate for the top 200 apps and 100 commercial websites in China reached 97.33%, with an average IPv6 traffic share of 74.51% for these apps [9] Group 6: Technological Innovation and Standards - A comprehensive IPv6 evolution technology system has been established, with over 1,000 deployments across various sectors, including government, finance, and education [11] - By September 2025, China had published 138 IPv6 industry standards and initiated 52 national standards, enhancing the IPv6 standard system [12] Group 7: Security Enhancement - The management and supervision of IPv6 network security have improved, with over 3,000 malicious IPv6 address segments monitored and over 20,000 incidents of controlled IPv6 botnets addressed [14] - The release of national standards for IPv6 network security devices has led to comprehensive coverage of IPv6 functionalities in mainstream security products [15] Group 8: Pilot Demonstrations and Promotion - The central government has initiated pilot projects to enhance IPv6 deployment, with significant increases in IPv6 traffic in selected cities [16] - Various forums and promotional activities have been organized to raise awareness and acceptance of IPv6 across different sectors [17]