Can you open sp.nicovideo.jp?cp_in=header from mainland China?
No.
No recent testsVerdict from 2026-03-28 · 4 mo ago
As of the last test on 2026-03-28 — 4 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access sp.nicovideo.jp?cp_in=header with GreatFireVPN →Frequently asked questions
Is sp.nicovideo.jp?cp_in=header blocked in mainland China right now?
We haven't tested sp.nicovideo.jp?cp_in=header in the last 90 days. As of the last test on 2026-03-28 (4 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is sp.nicovideo.jp?cp_in=header blocked in mainland China?
As of the last test on 2026-03-28 — 4 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has sp.nicovideo.jp?cp_in=header been blocked?
GreatFire has recorded interference with sp.nicovideo.jp?cp_in=header from mainland China since 2015-12-10.
How can I access sp.nicovideo.jp?cp_in=header 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 sp.nicovideo.jp?cp_in=header.
http://sp.nicovideo.jp?cp_in=header · JSON