Unverified50% confidenceTradeoffExact time
Anthropic has repeatedly restricted registration of Claude Code from mainland China IP addresses or phone numbers citing compliance reasons, leading to account bans and payment obstacles for large-scale use in universities, which is the fundamental reason Lin Ziyu chose domestic alternatives.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/18/2026
First Seen
Valid until: 12/17/2026
Sources
Related Entities
Related Claims
UnverifiedChinese developers face network-level access restrictions and active blocking of Chinese IPs when trying to use Claude Code, in addition to requirements for overseas identity verification such as foreign phone numbers and credit cards.77% similarUnverifiedAnthropic's Terms of Service explicitly restrict access from certain regions, and users in mainland China face the risk of violating the ToS when using Claude services69% similarUnverifiedIn China's network environment, Claude Code's verification requests often fail to complete due to DNS pollution, IP blocking, or TLS handshake timeouts.69% similarUnverifiedUsers in China face account bans, overseas phone number requirements for registration, limited payment options, and region-based account suspension when trying to use Claude.68% similarUnverifiedAnthropic restricts access to Claude for users in China, preventing direct use of Claude Code CLI67% similar
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