ToolNestr
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IP Address Tracker

Look up any IP address — location, ISP, ASN, timezone and an interactive map

Looking up IP address...

Querying geolocation database

Country
City / Region
ISP
ASN
Timezone
Currency
This is your approximate ISP-level location, not your exact address
IP geolocation lookup flow diagram showing a globe with a location pin and data path Simplified world map illustration showing how an IP address is resolved to a geographic location. A globe with latitude and longitude grid lines is connected by a dashed path to a location pin marker, with labels for the steps involved. IP Geolocation Lookup Flow 1. Enter an IP address Database query 3. Location & ISP data 2. Geolocation API
How IP geolocation works: an IP address is sent to a geolocation database, which returns the approximate geographic location, ISP, and other metadata associated with that address.

What is IP Geolocation and How Does It Work?

IP geolocation is the process of determining the approximate geographic location of a device based on its Internet Protocol (IP) address. When you connect to the internet, your ISP assigns your connection a public IP address from a block of addresses registered to them. Geolocation databases maintain mappings between these IP blocks and physical locations — typically at the city or regional level.

The lookup process works by taking an IP address, determining which range it falls into, and returning the associated metadata: country, region, city, postal code, latitude and longitude, ISP (Internet Service Provider), ASN (Autonomous System Number), timezone, and sometimes currency. These databases are compiled from multiple sources including WHOIS registration records, ISP data contributions, BGP routing tables, network probing measurements, and user-submitted corrections. The largest commercial providers update their datasets daily or weekly to maintain accuracy as IP allocations change.

IP Address Basics: IPv4 vs IPv6, Public vs Private, Static vs Dynamic

IPv4 vs IPv6

IPv4 addresses are 32-bit numbers written in dotted-decimal notation (e.g., 192.0.2.1) and support approximately 4.3 billion unique addresses. The internet has exhausted the pool of unallocated IPv4 addresses, which is why IPv6 was developed. IPv6 addresses are 128-bit numbers written in hexadecimal colon-separated notation (e.g., 2001:db8::1) and provide roughly 340 undecillion addresses — enough to assign a unique address to every atom on the surface of the Earth many times over. This tool supports lookups for both IPv4 and IPv6 addresses.

Public vs Private IP Addresses

A public IP address is globally unique and routable on the internet. It is how your devices communicate with servers and services across the world. A private IP address is used within a local network and is not reachable from the internet. Private ranges are defined in RFC 1918: 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. Network Address Translation (NAT) allows multiple devices on a private network to share a single public IP when accessing the internet. This tool returns information only for public IP addresses; private and reserved addresses will not produce geolocation results.

Static vs Dynamic IP Addresses

A static IP address is permanently assigned to a device and does not change over time. Static IPs are typically used by servers, business internet connections, and networking equipment that needs a consistent address. A dynamic IP address is assigned temporarily from a pool of available addresses using DHCP. Most residential internet connections use dynamic IPs, which can change when the router restarts or at the ISP's discretion. Dynamic IPs are more cost-effective for ISPs because they can serve more customers than they have addresses. Neither type affects geolocation accuracy significantly, though dynamic IPs may have less precise location data because they are rotated among users.

How Accurate Is IP Geolocation?

IP geolocation is not GPS-precise. The accuracy varies significantly depending on the IP address and the quality of the geolocation database. In urban areas with dense ISP infrastructure, accuracy can be within 1–5 kilometres. In rural areas or for IPs assigned to mobile carriers, the margin of error can exceed 50 kilometres or even show a completely different city.

There are several reasons for this inherent imprecision. ISPs often register IP blocks at their corporate headquarters or regional data centres rather than distributing them to local points of presence. Mobile networks route traffic through central gateways that may be hundreds of kilometres from the user's actual location. VPNs, proxies, and Tor exit nodes deliberately obscure the true origin of traffic. And geolocation databases themselves have varying update frequencies and data quality — some rely on user-contributed corrections, while others use active network probing to triangulate router locations.

The privacy note shown with each result reminds users: "This is your approximate ISP-level location, not your exact address." You should never rely on IP geolocation for precise location-based decisions such as dispatching emergency services. For most web applications — content localisation, fraud screening, analytics — city-level or regional accuracy is sufficient.

Common Use Cases for IP Geolocation

Fraud Detection & Security

E-commerce platforms and financial institutions use IP geolocation to detect suspicious activity — such as a login attempt from a different country minutes after a legitimate login. Mismatches between the IP location and the user's billing or shipping address can trigger additional verification steps. This is one of the most widespread security applications.

CDN Routing & Content Delivery

Content Delivery Networks (CDNs) like Cloudflare, Akamai, and Fastly use IP geolocation to route users to the nearest edge server. This reduces latency by minimising the physical distance between the user and the content server. Without geolocation-based DNS resolution, users would be routed to arbitrary data centres, resulting in slower page loads and video streams.

Geo-Targeting & Localisation

Websites and applications use IP geolocation to serve region-specific content: showing prices in local currency, displaying relevant language versions, redirecting to country-specific domains, or complying with licensing restrictions (e.g., streaming services that offer different catalogues per country). E-commerce stores also use it to pre-select shipping options and calculate taxes.

Network Troubleshooting

Network engineers and system administrators use IP geolocation to trace routing paths, identify the geographic origin of traffic spikes or attacks, and diagnose latency issues. Knowing the ASN and ISP helps determine whether a problem lies with a specific upstream provider, a regional exchange point, or the end user's connection. Combined with traceroute and BGP data, geolocation is a valuable diagnostic tool.

Privacy Considerations

IP addresses are considered personally identifiable information (PII) in many jurisdictions, including under the GDPR in Europe and the CCPA in California. This is because an IP address can be combined with other data to identify a specific individual or household. When you use this IP tracker, the lookup is performed through a secure API endpoint and the results are displayed only in your browser session. No IP addresses are logged, stored, or shared with third parties beyond the geolocation database provider necessary to perform the lookup.

If you are privacy-sensitive, you should be aware that visiting any website reveals your public IP address to that site's server — this is inherent to how the internet works. Using a VPN or proxy can mask your true IP address by routing traffic through an intermediary server. VPNs are widely used for privacy, accessing geo-restricted content, and securing public Wi-Fi connections. However, the IP address of the VPN server will appear in geolocation lookups instead of your actual location.

For further reading on IP addressing and internet governance, refer to IANA (Internet Assigned Numbers Authority), Cloudflare's IP address guide, RFC 791 (Internet Protocol), RFC 2460 (IPv6), and RFC 1918 (Private Address Space).

Frequently Asked Questions

How does IP geolocation work?
IP geolocation works by querying large databases that map IP address ranges to geographic locations. These databases are maintained by organisations that collect data from ISPs, WHOIS records, network routing data, and user-contributed corrections. When you enter an IP address, the system looks up the range in the database and returns the associated location, ISP, and other metadata. The accuracy varies from city-level to country-level depending on the IP and database quality.
How accurate is IP geolocation?
IP geolocation is generally accurate at the city or regional level for most IP addresses, but it is NOT GPS-precise. In densely populated urban areas, accuracy can be within a few kilometres. In rural areas or for mobile IPs, the margin of error can be tens or even hundreds of kilometres. Geolocation databases can only approximate the physical location of an IP because they rely on ISP registration data, not device GPS. It is common to see your IP located in a different city than your actual physical address, especially if you use a mobile network or a VPN.
What is the difference between public and private IP addresses?
A public IP address is assigned by your ISP and is globally unique on the internet. It allows your device to communicate with other devices across the world. A private IP address is used within a local network (like your home Wi-Fi) and is not routable on the public internet. Private IP ranges are defined by RFC 1918: 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. This tool only tracks public IP addresses.
Can I track any IP address?
Yes, you can enter any valid public IP address (IPv4 or IPv6) into the search bar and click "Track IP". The tool will look up that address in the geolocation database and display its approximate location, ISP, ASN, timezone, and other metadata. You can also look up your own IP address by leaving the field blank or clicking the auto-detect option on page load.
Does this tool store my IP address?
No. All IP lookups are performed in real time and no IP addresses are logged or stored on our servers. The lookup is processed ephemerally through our API endpoint and the results are displayed only to you in your browser. For privacy, this tool uses a secure worker endpoint and does not share your IP with third parties beyond the geolocation database provider.
What is an ASN?
An Autonomous System Number (ASN) is a unique identifier assigned to a network or group of networks under a single administrative control. ISPs, cloud providers, and large organisations each have one or more ASNs. The ASN is used in BGP (Border Gateway Protocol) routing to exchange routing information between networks. Knowing the ASN can help identify which organisation owns the IP block.
What is the difference between IPv4 and IPv6?
IPv4 (Internet Protocol version 4) uses 32-bit addresses, allowing approximately 4.3 billion unique addresses. Due to the explosive growth of the internet, IPv4 addresses have been exhausted. IPv6 (version 6) uses 128-bit addresses, providing approximately 340 undecillion addresses — enough for every device on the planet many times over. IPv6 adoption continues to grow, and this tool supports lookups for both protocols.
Why does my IP location look wrong?
There are several reasons your IP location might appear incorrect: you are using a VPN or proxy that routes traffic through another city; your ISP aggregates customers under a single regional IP pool; or the geolocation database has outdated registration data. ISPs sometimes register IP blocks at their headquarters rather than distributing them locally. If the location is consistently wrong, you can usually contact the geolocation database provider to submit a correction.