ip.sb
All clear
None of the 5 URLs we have a verdict for under ip.sb are blocked in mainland China. The site itself, https://ip.sb, loads normally. 94 tests have been run under this domain since 2018-04-09, the most recent on 2026-08-15.
7URLs tested
5accessible
94tests all-time
2018first tested
9 d agolast tested
The site itself
http://ip.sbNot blockedhttps://ip.sbNot blockedPages and subdomains (5)
https://ip.sb/cdn-cgi/traceNot blockedhttps://api.ip.sbNot blockedhttps://ipv4.ip.sbNot blockedhttps://ipv6.ip.sbUnresolvablehttps://api.ip.sb/geoipNot enough dataAbout ip.sb and the Great Firewall
Is ip.sb blocked in mainland China?
None of the 5 URLs we have a verdict for under ip.sb are blocked in mainland China. The site itself, https://ip.sb, loads normally. 94 tests have been run under this domain since 2018-04-09, the most recent on 2026-08-15.
Elsewhere on the site
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.