Can you open nc.slyip.net:81 from mainland China?
No.
It's blocked — 100% of the last 2 conclusive tests failed in mainland China.
Access nc.slyip.net:81 with GreatFireVPN →2014first tested
2/2blocked · last 90 days
3 mo agolast tested
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Frequently asked questions
Is nc.slyip.net:81 blocked in mainland China right now?
As of the last test on 2026-05-09, nc.slyip.net:81 is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is nc.slyip.net:81 blocked in mainland China?
It's blocked — 100% of the last 2 conclusive tests failed in mainland China.
Since when has nc.slyip.net:81 been blocked?
GreatFire has recorded interference with nc.slyip.net:81 from mainland China since 2014-08-27.
How can I access nc.slyip.net:81 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 nc.slyip.net:81.
http://nc.slyip.net:81 · JSON