Is https://www1.columbia.edu/sec/cu/isso/OPT_Reporting.html blocked in mainland China?

Part of columbia.eduMixed48 tested URLs

Can you open https://www1.columbia.edu/sec/cu/isso/OPT_Reporting.html from mainland China?

Yes.

All 1 recent conclusive tests connected normally.

2015first tested

0/1disrupted · last 90 days

1 mo agolast tested

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Other tested URLs on columbia.edu

Mixed3 blocked3 disrupted35 accessible7 no verdictAll 48 tested URLs on columbia.edu →

Blocking varies across columbia.edu: 3 blocked vs 35 accessible among tested hosts.

Each verdict covers the last 90 days of tests, as on that URL's own page.

Frequently asked questions

Is https://www1.columbia.edu/sec/cu/isso/OPT_Reporting.html blocked in mainland China right now?

As of the last test on 2026-07-17, https://www1.columbia.edu/sec/cu/isso/OPT_Reporting.html is not blocked in mainland China, based on GreatFire's live Great Firewall measurements.

https://www1.columbia.edu/sec/cu/isso/OPT_Reporting.html · JSON