Part of changeip.nameAll blocked15 tested URLs
Can you open http://cb.w3.changeip.name/go/5v from mainland China?
Not sure yet.
There isn't enough recent data to reach a verdict.
2016first tested
7 mo agolast tested
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Frequently asked questions
Is http://cb.w3.changeip.name/go/5v blocked in mainland China right now?
As of the last test on 2026-01-30, http://cb.w3.changeip.name/go/5v is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.
http://cb.w3.changeip.name/go/5v · JSON