Can you open sub.4pu.com from mainland China?
No.
No recent testsVerdict from 2026-01-24 · 6 mo ago
As of the last test on 2026-01-24 — 6 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access sub.4pu.com with GreatFireVPN →Frequently asked questions
Is sub.4pu.com blocked in mainland China right now?
We haven't tested sub.4pu.com in the last 90 days. As of the last test on 2026-01-24 (6 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is sub.4pu.com blocked in mainland China?
As of the last test on 2026-01-24 — 6 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has sub.4pu.com been blocked?
GreatFire has recorded interference with sub.4pu.com from mainland China since 2021-11-15.
How can I access sub.4pu.com 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 sub.4pu.com.
http://sub.4pu.com · JSON