Down for Everyone or Just Me
downforeveryoneorjustme.com
Settles whether a site is actually down or only down for you
ipinfo.io
Tells you an IP address's owner, network and approximate location.
Open it and it shows your own IP with the ASN, hosting provider, city-level geolocation and whether the address belongs to a VPN, proxy or hosting range. Look up any other address the same way, or append `/json` to get the answer as an API response from a script. Useful for reading a server log or checking what a site sees when you connect. IP geolocation is approximate by nature — city guesses are regularly wrong, especially on mobile networks.
AltFTool does this too
If you would rather not leave the site, IP Address Checker covers the same job here — free, no account, and it runs in your browser.
Open IP Address CheckerQuestions
A genuinely usable free tier with paid plans for volume or team features. Anonymous lookups are rate-limited, and city-level geolocation is an estimate that is often wrong.
Yes. IPinfo sends your input to its own servers to process it. That is fine for public material; for anything containing personal data, use one of the on-device tools instead.
Anonymous lookups are rate-limited, and city-level geolocation is an estimate that is often wrong.
Alternatives
Same category or same task, ordered by how closely they overlap.
downforeveryoneorjustme.com
Settles whether a site is actually down or only down for you
lookup.icann.org
The registry's own WHOIS record for a domain, with no upsell
microlink.io
Turns any URL into a screenshot, a PDF or structured metadata
uptimerobot.com
Watches your site around the clock and emails you when it stops answering
pagespeed.web.dev
Scores a page on real-user Core Web Vitals and lab measurements
ssllabs.com
Grades a site's TLS configuration from A+ down to F and says why