Free IP and network tools
Every CheckMyIP tool on one page, grouped by what you are trying to find out. All of them are free, need no account and name the data source under every result.
IP address tools
IP address lookupLocation, provider, network and risk for any address. IP location finderWhere an IP address is, on a map, with the accuracy limits. What is my ISPYour provider, ASN and connection type. IP blacklist checkIs this address on a spam or abuse blocklist? What is my locationIP location and, with permission, device location. What is my local IPThe address your router gave this device. IP fraud scoreA 0–100 risk score with a published formula. ASN lookupOperator, registry and prefixes of any network. IP trackerWhat tracing an address can and cannot tell you. Bulk IP lookupUp to 100 addresses at once, exported as CSV.
IP ranges by country Coming soonEvery block allocated to each country.
Privacy and leak tests
VPN testIP, DNS, WebRTC and IPv6 leaks in one run. DNS leak testWhich DNS servers answer for you, and whether they bypass your VPN. WebRTC leak testDoes your browser reveal a second IP address? Proxy & VPN checkerIs this connection seen as a proxy, VPN, Tor or data centre? Privacy scoreOne number for how exposed this browser and connection are. What websites see about youEverything a site learns the moment you visit. Browser fingerprint testHow unique your browser setup is. Tor checkIs this address a Tor exit node?
Network diagnostics
Open port checkerIs a port on your IP reachable from the internet? IPv6 testDo you have working IPv6, and which family your browser prefers. Ping testLatency, jitter and loss to our test server. TracerouteThe path from our server to an address, hop by hop. HTTP headers checkerYour request headers and any URL's response headers. Internet speed testDownload, upload, ping and latency under load. Connection quality testPacket loss, jitter and bufferbloat, graded A–F. NAT type testOpen, moderate or strict NAT for gaming.
DNS and domain tools
Reverse DNS lookupTurn an address back into a hostname. DNS lookupAny record type through two public resolvers. WHOIS lookupRegistry records for addresses and domains via RDAP. Find a website's IPThe addresses a website resolves to and who hosts them. What is my DNS serverWhich resolver answers your lookups. Email header analyzerRoute, sender IP and SPF/DKIM/DMARC of any email.