Can you open cop3.changeip.net from mainland China?
No.
No recent testsVerdict from 2026-02-27 · 5 mo ago
As of the last test on 2026-02-27 — 5 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access cop3.changeip.net with GreatFireVPN →Frequently asked questions
Is cop3.changeip.net blocked in mainland China right now?
We haven't tested cop3.changeip.net in the last 90 days. As of the last test on 2026-02-27 (5 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is cop3.changeip.net blocked in mainland China?
As of the last test on 2026-02-27 — 5 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has cop3.changeip.net been blocked?
GreatFire has recorded interference with cop3.changeip.net from mainland China since 2016-07-20.
How can I access cop3.changeip.net 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 cop3.changeip.net.
http://cop3.changeip.net · JSON