Can you open ch.changeip.net/go/521 from mainland China?
No.
It's blocked — 100% of the last 2 conclusive tests failed in mainland China.
Access ch.changeip.net/go/521 with GreatFireVPN →2016first tested
2/2blocked · last 90 days
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Frequently asked questions
Is ch.changeip.net/go/521 blocked in mainland China right now?
As of the last test on 2026-06-08, ch.changeip.net/go/521 is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is ch.changeip.net/go/521 blocked in mainland China?
It's blocked — 100% of the last 2 conclusive tests failed in mainland China.
Since when has ch.changeip.net/go/521 been blocked?
GreatFire has recorded interference with ch.changeip.net/go/521 from mainland China since 2016-11-13.
How can I access ch.changeip.net/go/521 from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like ch.changeip.net/go/521.
http://ch.changeip.net/go/521 · JSON