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21 free IP & network tools · no sign-up · lookups never stored

What is my IP address?

See your public IP address, where it is and who provides it. Look up any IP or host name, find where you are with GPS, check DNS records, calculate subnets and test for WebRTC leaks – free and instant.

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What Is My IP AddressIP Location LookupBulk IP LookupWhere Am IMy Browser InfoDNS LookupSubnet Calculator

IP Address

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See your public IP address and look up the location, ISP and network of any IP address or host name.

What Is My IP AddressYour public IPv4 / IPv6 address with location, ISP, network and host name. IP Location LookupLook up the location, ISP and ASN of any IP address or host name. Bulk IP LookupPaste up to 500 IP addresses and get country, city and ISP for each. Public or Private IP CheckerIs an IP address public, private, loopback, CGNAT or reserved? IPv4 / IPv6 Connection TestDoes your connection use IPv4, IPv6 or both?

Location

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Where am I? Your GPS position and street address, IP location accuracy, distances, time zones and coordinates.

Where Am IYour exact position from GPS / Wi-Fi, the street address and a map. Distance Between IP AddressesHow far apart are two IP addresses, places or coordinates? My Time ZoneYour device time zone vs. the time zone of your IP address. Coordinates ConverterConvert latitude / longitude between decimal and degrees-minutes-seconds. Latitude & Longitude FinderClick on the map to get the coordinates of any place.

Browser & Privacy

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What websites see about you: browser and device details, HTTP headers, screen size and WebRTC leaks.

My Browser InfoBrowser, version, operating system, device, screen, language and features. HTTP Request HeadersThe HTTP headers your browser sends to every website. User Agent ParserDecode any user agent string into browser, OS and device. Screen ResolutionYour screen size, window size, pixel ratio and color depth. WebRTC Leak TestCan websites see your real IP address through WebRTC?

Network Tools

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DNS records, reverse DNS, subnet calculator, CIDR ranges and IP address conversions for admins and developers.

DNS LookupA, AAAA, CNAME, MX, NS, TXT, SOA and CAA records of a domain. Reverse DNS LookupFind the host name (PTR record) of an IP address. Subnet CalculatorNetwork, broadcast, mask, host range and size of any IPv4 or IPv6 subnet. IP Range to CIDRConvert a start–end IP range to the smallest list of CIDR blocks, and back. IP Address ConverterIP address to decimal, hex, binary, octal and IPv4-mapped IPv6. IPv6 Expand & CompressExpand an IPv6 address to all 32 digits, or compress it (RFC 5952).

IPv4 and IPv6

City, region, country, time zone, ISP and ASN for any address – one at a time or 500 at once.

Where am I, really?

Your GPS position and street address next to your IP location – and how far apart they are.

Admin toolbox

DNS and reverse DNS, subnet calculator, range to CIDR and IP converters – no install needed.

Private by design

Our own GeoIP database – your lookups never go to a third party and are never stored.