Can you open 81.25u.com:81 from mainland China?
Not sure yet.
There isn't enough recent data to reach a verdict.
2014first tested
3 mo agolast tested
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Other tested URLs on 25u.com
http://25u.comas of 2026Blockedhttp://kk.25u.comBlockedhttp://ss.25u.comas of 2024Blockedhttp://hh.25u.comNot enough datahttp://pa.25u.comUnresolvablehttp://cu.25u.comUnresolvablehttp://wk.25u.comNot enough datahttp://ha.25u.comBlockedhttp://fi.25u.comUnresolvablehttp://23.25u.comUnresolvablehttp://tt.25u.comas of 2026Blockedhttp://jj.25u.comNot enough datahttp://ff.25u.comNot enough datahttp://75.25u.comUnresolvablehttp://81.25u.comNot enough datahttp://ci.25u.comUnresolvablehttp://bi.25u.comUnresolvablehttp://h5.25u.comUnresolvablehttp://c2.25u.comUnresolvablehttp://5u.25u.comNot enough datahttp://m2.25u.comas of 2025Blockedhttp://hb.25u.comNot enough datahttp://h6.25u.comUnresolvablehttp://g2.25u.comUnresolvablehttp://32.25u.comNot enough datahttp://co.25u.comNot enough datahttp://h3.25u.comUnresolvablehttp://62.25u.comUnresolvablehttp://f5.25u.comUnresolvablehttp://hu.25u.comas of 2024Blockedhttp://85.25u.comNot enough datahttp://no.25u.comBlockedhttp://37.25u.comUnresolvablehttp://ue.25u.comUnresolvablehttp://65.25u.comNot enough datahttp://g1.25u.comBlockedhttp://htc.25u.comUnresolvablehttp://369.25u.comNot enough datahttp://126.25u.comUnresolvablehttp://246.25u.comUnresolvablehttp://m31.25u.comUnresolvablehttp://332.25u.comUnresolvablehttp://266.25u.comUnresolvablehttp://522.25u.comUnresolvablehttp://h24.25u.comUnresolvablehttp://557.25u.comUnresolvablehttp://767.25u.comUnresolvablehttp://325.25u.comUnresolvablehttp://226.25u.comUnresolvablehttp://766.25u.comUnresolvablehttp://835.25u.comUnresolvablehttp://326.25u.comas of 2023Blockedhttp://747.25u.comNot enough datahttp://ic.25u.com/sUnresolvablehttp://bi.25u.com/fUnresolvablehttp://ss.25u.com/bas of 2024Intermittenthttp://ue.25u.com/fUnresolvablehttp://pa.25u.com:81Unresolvablehttp://cu.25u.com:81Unresolvablehttp://kk.25u.com:81Blockedhttp://wk.25u.com:81Not enough datahttp://tt.25u.com:81Not enough datahttp://ff.25u.com:81Not enough datahttp://jj.25u.com/tvNot enough datahttp://75.25u.com:81Unresolvablehttp://h5.25u.com:81Unresolvablehttp://g2.25u.com:81Unresolvablehttp://m2.25u.com:81Not enough datahttp://32.25u.com:81Not enough datahttp://co.25u.com:81Not enough datahttp://ss.25u.com/zhas of 2024Blockedhttp://755.25u.com/fUnresolvablehttp://pk.25u.com/dwNot enough datahttp://ue.25u.com/ffUnresolvablehttp://326.25u.com/vas of 2024Blockedhttp://htc.25u.com:81Unresolvablehttp://246.25u.com:81Unresolvablehttp://126.25u.com:81Unresolvablehttp://755.25u.com/ffUnresolvableEach verdict covers the last 90 days of tests, as on that URL's own page.
Frequently asked questions
Is 81.25u.com:81 blocked in mainland China right now?
As of the last test on 2026-05-05, 81.25u.com:81 is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.
http://81.25u.com:81 · JSON