Can you open http://21.slyip.net/e/index.html from mainland China?
No.
No recent testsVerdict from 2025-07-01 · 1 y ago
As of the last test on 2025-07-01 — 1 y ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access 21.slyip.net with GreatFireVPN →Frequently asked questions
Is http://21.slyip.net/e/index.html blocked in mainland China right now?
We haven't tested http://21.slyip.net/e/index.html in the last 90 days. As of the last test on 2025-07-01 (1 y ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is http://21.slyip.net/e/index.html blocked in mainland China?
As of the last test on 2025-07-01 — 1 y ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has http://21.slyip.net/e/index.html been blocked?
GreatFire has recorded interference with http://21.slyip.net/e/index.html from mainland China since 2015-01-17.
How can I access http://21.slyip.net/e/index.html 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 21.slyip.net.
http://21.slyip.net/e/index.html · JSON