changeip.co
Mixed
Results vary across changeip.co: of 5 URLs tested, 3 are blocked and 2 load normally. The site itself, http://cor.changeip.co, is blocked. The Great Firewall poisons its DNS and silently drops its packets so requests time out. 75 tests have been run under this domain since 2020-02-13, the most recent on 2026-10-09.
Pages and subdomains (5)
http://cor.changeip.coas of 2026Blockedhttp://homi.changeip.coas of 2024Not blockedhttp://me.cor.changeip.co/5KoKxBlockedhttp://23.cor.changeip.co/ApMqtBlockedhttp://homi.changeip.co/weblogin.htmas of 2024Not blockedAbout changeip.co and the Great Firewall
Results vary across changeip.co: of 5 URLs tested, 3 are blocked and 2 load normally. The site itself, http://cor.changeip.co, is blocked. The Great Firewall poisons its DNS and silently drops its packets so requests time out. 75 tests have been run under this domain since 2020-02-13, the most recent on 2026-10-09.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks changeip.co. GreatFire runs GreatFire VPN; the Analyzer also tests the domains of many VPN and proxy providers, so you can check whether one is reachable before relying on it.
Elsewhere on the site
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.