Check Any IP Address Instantly & Free
Type any IP and instantly see where it's coming from — country, city, ISP, ASN, and whether it's a proxy.
IP Address Lookup
Paste any IP address below — or just hit Check to see your current IP.
How to Use the IP Lookup API
Add IP intelligence to your app in minutes. Start free — no payment info needed.
Get a free API key
Create a FonProxy account and navigate to API Keys. Generate your key — it starts with fnp_ and unlocks 30 requests per minute.
Make your first request
Pass the IP address in the URL path. Authenticate using the Authorization: Bearer header with your API key.
GET https://api.fonproxy.io/geo/ip/8.8.8.8
Authorization: Bearer fnp_your_key_hereParse the normalized response
The normalized object contains the merged best-effort data across all providers — country, city, ASN, ISP, proxy detection, and more.
{
"ip": "8.8.8.8",
"normalized": {
"country": "United States",
"countryCode": "US",
"city": "Mountain View",
"asn": 15169,
"isp": "Google LLC",
"isProxy": false
}
}Get raw per-provider data
Add ?with_sources=1 to your request to also receive the raw response from every enabled database provider.
GET https://api.fonproxy.io/geo/ip/8.8.8.8?with_sources=1Pricing? Just use it!
| Feature | Without Account | With Account |
|---|---|---|
| Rate Limit | 10 requests / 30 min | 30 requests / min |
| Normalized Data | ||
| Raw Provider Sources | Limited | |
| All 6 Providers | Limited | |
| API Key Access | ||
| Cost | Free | Free |
IP Databases We Use
Each lookup hits multiple sources at once and returns the best combined result — updated automatically.
Industry-standard geolocation database. Provides ASN, city, region, country, coordinates, and timezone data.
High-accuracy location database with proxy detection, threat scoring, and ISP identification.
Lightweight country and ASN database with good coverage for both IPv4 and IPv6 addresses.
Free city-level database with global coverage. Provides location details and regional data.
CIDR-based offline dataset for country, continent, ASN, organization, and domain data.
Regional Internet Registry data from ARIN, RIPE, APNIC, LACNIC, and AFRINIC with RDAP fallback.
Have an Idea or Integration in Mind?
We are always open to new use cases, custom integrations, commercial licensing, and improvements to our IP database service.
Why IP Addresses Matter
Your IP address reveals more information about you than you might think.
Privacy & Identity
Every website you visit can see your IP, approximate location, ISP, and connection type. This data builds a profile over time.
Geo-Restricted Content
Many services restrict access based on IP country or region. Knowing your IP helps you verify what content you can access.
Security Monitoring
Attackers scan IPs to find open ports and vulnerabilities. Knowing your exposure helps you protect yourself.
Network Diagnostics
Developers and sysadmins use IP lookups to debug routing issues, verify proxy chains, and check ASN assignments.
Types of IP Addresses
| Type | Min. Price | Anonymity | |
|---|---|---|---|
| Mobile | $2.00/GB | Very High | See Pricing |
| Residential | $1.50/GB | High | See Pricing |
| Static Server | $0.05/IP | Medium | See Pricing |
Protect Yourself from IP Tracking
Anyone on the internet can see your real IP address unless you actively protect it. Here is how proxies help.
An elite (high-anonymity) proxy replaces your IP with a clean exit IP and removes all forwarding headers, so target servers cannot detect you are using a proxy.
Ensure your DNS queries also go through the proxy tunnel. DNS leaks reveal your real location even when your HTTP traffic is proxied.
After connecting, use this tool to confirm your visible IP, location, and ISP match the proxy you purchased — not your real identity.
Ready to Hide Your Real IP?
Get clean, anonymous proxy IPs from FonProxy. Residential, mobile, datacenter, and private proxies — all detectable by this tool.