Can you open 4r12.gl.grr.io from mainland China?
Sometimes.
No recent testsVerdict from 2026-03-24 · 4 mo ago
As of the last test on 2026-03-24 — 4 mo ago — it was partly disrupted in mainland China. We haven't tested it since, so this may have changed.
Access 4r12.gl.grr.io with GreatFireVPN →Frequently asked questions
Is 4r12.gl.grr.io blocked in mainland China right now?
We haven't tested 4r12.gl.grr.io in the last 90 days. As of the last test on 2026-03-24 (4 mo ago), it was partly disrupted in mainland China. Use the Test now button on this page for a fresh measurement.
Why is 4r12.gl.grr.io blocked in mainland China?
As of the last test on 2026-03-24 — 4 mo ago — it was partly disrupted in mainland China. We haven't tested it since, so this may have changed.
Since when has 4r12.gl.grr.io been blocked?
GreatFire has recorded interference with 4r12.gl.grr.io from mainland China since 2015-07-02.
How can I access 4r12.gl.grr.io 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 4r12.gl.grr.io.
http://4r12.gl.grr.io · JSON