Can you open http://inter.kke.gr/en/index.html from mainland China?

Not sure yet.

Verdict revisedThis page previously read blocked. One of the tests behind that verdict, on 2026-09-05, had its mainland China connection refused outright — and since late August 2026 refusals have been arriving on routes with no other sign of interference, so they no longer count as evidence of blocking. How we decide what to exclude

There isn't enough recent data to reach a verdict.