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Home / Network Tools / IP Address Lookup

IP Address Lookup

Look up detailed information about any IP address � location, ISP, organization, hostname, and more. Instantly find your own public IP or investigate any other IP address.

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Unable to retrieve information for this IP address. Please check the address and try again.

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How to Use the IP Address Lookup Tool

1

Enter an IP or Domain

Type any IPv4 address, IPv6 address, or domain name (e.g. google.com) into the input field above. You can also click "Lookup My IP Address" to find your own public IP information.

2

Click Lookup

Press the "Lookup" button or hit Enter. The tool instantly queries geolocation databases to retrieve detailed information about the IP address you entered.

3

Review the Results

View comprehensive details including country, region, city, ISP, organization, ASN, coordinates, timezone, and more. Copy all data with one click or refer to recent lookups from history.

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About the IP Address Lookup Tool

The FreeNestTools IP Address Lookup is a free, browser-based tool that retrieves detailed geolocation and network information for any IP address or domain name. Whether you need to check your own public IP, investigate a suspicious address, or gather network intelligence, this tool provides accurate data in seconds.

IP address lookup is essential for network administrators, cybersecurity professionals, web developers, and curious users who need to identify where an IP address is?? located, who manages it, and what network it belongs to. Common use cases include diagnosing network issues, verifying VPN or proxy connections, analyzing web traffic logs, and checking the origin of emails or website visitors.

The tool uses the ip-api.com geolocation API to fetch data. This service provides city-level accuracy for most IP addresses and includes information such as country, region, city, ZIP code, latitude/longitude coordinates, timezone, ISP, organization, and ASN (Autonomous System Number). Domain names are automatically resolved to their IP addresses before lookup.

All queries are processed in real-time. Your entered IP address is sent to the geolocation API for lookup purposes only. We do not store, log, or share the IP addresses you search. For maximum privacy, avoid searching sensitive or internal IP addresses. There are no registration requirements, no API keys, and no usage limits.

This tool is ideal for network engineers troubleshooting connectivity, security researchers investigating threats, web developers testing geolocation features, system administrators monitoring traffic, digital marketers analyzing visitor data, and anyone who needs to know more about an IP address.

Data provided: IP Address, Hostname, ISP, Organization, ASN (number and name), Country, Region/State, City, ZIP/Postal Code, Latitude, Longitude, Timezone, Country Calling Code, Currency, and whether the IP is a proxy, VPN, or hosting provider. All information refreshes on each new lookup.

Accuracy note: IP geolocation accuracy varies by IP type and region. City-level accuracy is approximately 70-90% for most addresses. Mobile IP addresses, VPN IPs, and proxy IPs tend to have lower accuracy. Country-level data is nearly always correct. The data is sourced from regional internet registries, ISP data, and network intelligence databases.

Privacy notice: When you use this tool, your entered IP address is sent to a third-party geolocation API service (ip-api.com) to retrieve the location and network information. We do not store or log any searches on our servers. No account, registration, or personal information is required to use this tool.

For DNS record analysis of any domain, try the DNS Lookup tool.

For DNS record analysis of any domain, try the DNS Lookup tool.

Frequently Asked Questions

An IP Address Lookup is a tool that retrieves detailed information about any IP address on the internet. It reveals the geographic location (country, region, city, ZIP code), network provider (ISP, organization), ASN (Autonomous System Number), hostname, latitude/longitude coordinates, timezone, and other technical details. This information is gathered from regional internet registries, ISP databases, and network intelligence systems. IP lookups are commonly used for network diagnostics, security investigations, geolocation verification, and understanding website traffic sources.

Yes, the FreeNestTools IP Address Lookup is 100% free with no hidden costs, no registration, no API key requirements, and no usage limits. You can look up as many IP addresses as you need, as often as you like, for both personal and professional use. There are no premium tiers, no rate limiting, and no account creation needed.

IP geolocation accuracy varies depending on several factors. Country-level accuracy is nearly 100%. City-level accuracy typically ranges from 70-90% for most IP addresses. Factors that affect accuracy include: the type of IP (residential, mobile, datacenter), whether a VPN or proxy is used, and the region's IP allocation practices. Mobile IP addresses often show the location of the ISP's central office rather than the device's actual location. VPN and proxy IPs may show the server location rather than the user's location. The data comes from regional internet registries (RIRs), ISP data submissions, and network intelligence algorithms that are updated regularly.

Our IP Address Lookup provides a comprehensive set of data points including: IP Address (the queried address), Hostname (reverse DNS name), ISP (Internet Service Provider name), Organization (the entity that owns the IP block), ASN (Autonomous System Number and its associated name), Country (name, code, and flag emoji), Region/State, City, ZIP/Postal Code, Latitude & Longitude (geographic coordinates), Timezone (IANA timezone identifier and UTC offset), Country Calling Code, Currency (code and symbol), and whether the IP is associated with a proxy, VPN, or hosting service. All fields are displayed in an easy-to-read grid layout.

Yes, absolutely. You can enter any domain name (e.g., google.com, wikipedia.org, github.com) into the input field and the tool will first resolve the domain to its IP address(es) using DNS, then perform the geolocation lookup on the resolved IP. This is useful when you want to find where a website is hosted or which network provider a domain uses. Note that large websites often use CDNs (Content Delivery Networks) and may resolve to different IPs depending on your geographic location.

When you use this tool, the IP address you enter is sent to the ip-api.com geolocation API service to retrieve location and network information. This is necessary for the tool to function. However, we do not store, log, or share any IP addresses you search on our servers. No account, registration, or personal information is required. For maximum privacy, we recommend not searching IP addresses associated with sensitive or internal networks. The API provider (ip-api.com) has its own privacy policy governing how they handle lookup requests. If privacy is your primary concern, consider using a VPN when performing IP lookups.

ASN stands for Autonomous System Number. It is a unique identifier assigned to a network or group of networks under a single administrative entity, such as an ISP, cloud provider, or large organization. Each ASN is associated with a specific block of IP addresses and is used in BGP (Border Gateway Protocol) routing to exchange traffic between different networks on the internet. Knowing the ASN of an IP address helps identify which organization owns the network, understand internet routing paths, and analyze network relationships. For example, AS15169 belongs to Google, AS16509 is Amazon AWS, and AS8075 is Microsoft.

Yes, the IP Address Lookup tool provides information about whether an IP address is associated with proxy services, VPN providers, or hosting/datacenter networks. This is indicated in the lookup results through the ISP and organization fields, as well as specific proxy detection flags. IPs from known VPN providers, public proxies, Tor exit nodes, and cloud hosting providers are marked accordingly. This feature is particularly useful for security assessments, fraud detection, and verifying whether traffic is coming from a residential connection or a masked/anonymized source.

Finding your public IP address is simple with this tool. Just click the "Lookup My IP Address" button located below the input field. The tool will automatically detect your public IP address and perform a complete geolocation lookup. Your public IP is the address assigned to you by your ISP that identifies your network on the internet. This is different from your private IP (like 192.168.x.x) which is used within your home or office network. The tool will display all available information about your public IP including location, ISP, and network details.

For encoding URL parameters, try the URL Encoder/Decoder. This tool supports both IPv4 and IPv6 addresses. IPv4 addresses (e.g., 8.8.8.8) are the traditional 32-bit format with four octets. IPv6 addresses (e.g., 2001:4860:4860::8888) are the newer 128-bit format designed to address the shortage of IPv4 addresses. You can also enter domain names which will be automatically resolved to their IP addresses before lookup. The tool does not support private/reserved IP ranges (like 10.x.x.x, 192.168.x.x, 172.16-31.x.x, or 127.x.x.x) as these are non-routable addresses used only within private networks.

IP lookups can fail for several common reasons: Private/reserved IP addresses (10.x.x.x, 192.168.x.x, etc.) cannot be looked up as they are not routable on the public internet. Invalid IP formats or typos in the address will cause a lookup failure. Network connectivity issues may prevent the tool from reaching the geolocation API. API rate limiting may temporarily block requests if too many lookups are performed in a short period. Unallocated or reserved IP blocks may not have geolocation data available. If a lookup fails, double-check the IP address format, ensure you have internet connectivity, and try again after a few seconds.

The IP geolocation data used by this tool comes from ip-api.com, which aggregates information from multiple authoritative sources. These include: Regional Internet Registries (RIRs) � ARIN (North America), RIPE NCC (Europe), APNIC (Asia Pacific), LACNIC (Latin America), and AFRINIC (Africa) � which maintain databases of IP address allocations. ISP data submitted by internet service providers about their network infrastructure and service areas. Network intelligence algorithms that analyze routing data, latency measurements, and other technical signals to estimate geographic locations. The databases are updated regularly to maintain accuracy as IP allocations change over time.
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