IP address lookup.
Network intelligence.

Get location, ASN, ISP, VPN, proxy, Tor and hosting fields in a single IPv4 or IPv6 lookup.

Look up an IP, CIDR, ASN, country or operator

Try an example1.1.1.1 AS13335 8.8.0.0/16

Example IP address

1.1.1.1

Full report

Approximate locationBrisbane, AustraliaAustralia/Brisbane

Network identity

ASN: AS13335
Organization: Cloudflare, Inc.
ISP: Cloudflare, Inc.

Network risk signals

VPNNot listed

ProxyNot listed

TorNot classified

HostingClassified

VPN and proxy flags use public lists.

1.1.1.1 · actual API response

{
  "ip": "1.1.1.1",
  "isp": {
    "asn": "AS13335",
    "org": "Cloudflare, Inc.",
    "isp": "Cloudflare, Inc."
  },
  "location": {
    "country": "Australia",
    "country_code": "AU",
    "city": "Brisbane",
    "state": "Queensland",
    "zipcode": "",
    "latitude": -27.474848400186662,
    "longitude": 153.00996200912815,
    "timezone": "Australia/Brisbane",
    "localtime": "2026-11-02T17:23:51"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": true,
    "risk_score": 20
  }
}

Actual API response for 1.1.1.1View sources

No API keyStart with a standard HTTPS request.

IPv4 + IPv6The same fields for both address families.

Four formatsJSON, XML, YAML or plain text.

Open-source clientsUse an open-source language client.

Network intelligence

Geolocation and network data.

Look up an address to see its location, operator and network classifications.

ASN, organization and ISP

Find the operator for an IP address. Open its ASN profile to see its networks and country coverage.

GETapi.ipquery.io/1.1.1.1

IPQueryisp

ASNAS13335isp.asn

OrganizationCloudflare, Inc.isp.org

ISPCloudflare, Inc.isp.isp

Actual API response1.1.1.1

Inspect the example network

Country, city and timezone

Get an approximate location, coordinates and timezone for an IP address.

Approximate location

Brisbane, AUQueensland, Australia

Latitude: -27.4748°
Longitude: 153.0100°

TimezoneAustralia/Brisbane

Explore geolocation fields

IPv4 and IPv6 lookups

Use the same endpoint and response fields for IPv4 and IPv6 addresses.

IPv41.1.1.1

IPv62606:4700:4700::1111

Selected fieldsobject

ipstring

ispobject

locationobject

riskobject

View the response schema

VPN, proxy, Tor and hosting

The response has a separate flag for each network classification.

1.1.1.1Single-IP lookup

VPNNot listed

ProxyNot listed

TorNot classified

HostingClassified

Weighted risk score Not a probability20

Actual API responserisk_score

Inspect the risk fields

VPN, proxy and
hosting checks

Inspect VPN, proxy and hosting signals separately. Each field has a documented matching rule.

Read the classification methodology

VPN networksListed

Actual single-IP lookup

185.159.157.1

SwitzerlandAS209103

risk.is_vpntrue

Matching rule: VPN range or ASN match

Listed VPN ranges and reviewed VPN-operated ASNs are checked separately from hosting.

Open IP report Explore VPN networks

Integration workflows

IP lookups for apps and investigations.

Look up visitor addresses in the browser, investigate networks or add IP data to your logs.

Choose a workflow

Investigate an IP address

Open an IP report to view its operator, ASN and country.

1.1.1.1IP report

Network identityCloudflare, Inc.AS13335

Brisbane, AU

Hosting network

Continue the investigationASNAS13335 CountryAustralia

Show visitors their public IP

Fetch the caller’s public IP and network fields from the browser. No address parameter is needed.

Public IP address1.1.1.1

Australia

NetworkAS13335

Illustrative UI · example address

app.js

const response = await fetch(
  "https://api.ipquery.io/?format=json"
);
if (!response.ok) throw Error(response.status);
const data = await response.json();
console.log(data.ip);

BrowserGET /?format=json

Add IP data to your logs

Store ASN, country and network flags with each address for search and investigation.

Start with an address

1.1.1.1GET

Use the fields you need

Networkisp
Locationlocation
Riskrisk

response.jsonJSON

{
  "ip": "1.1.1.1",
  "isp": { "asn": "AS13335" },
  "location": {
    "country_code": "AU"
  },
  "risk": {
    "is_vpn": false,
    "is_proxy": false,
    "is_datacenter": true
  }
}

Selected fieldsJSON

Explore network data

Use the API.
Choose your language.

These examples return the caller’s public IP. Add an address to look up a specific IP.

Caller’s IP: GET /
Specific IP: GET /:ip

Read the API reference

Own-IP request

const response = await fetch(
  "https://api.ipquery.io/?format=json",
  { signal: AbortSignal.timeout(5000) }
);
if (!response.ok) {
  const message = await response.text();
  throw new Error("IPQuery " + response.status + ": " + message);
}
const data = await response.json();
console.log(JSON.stringify(data, null, 2));

Own-IP request

import json
from urllib.request import urlopen

with urlopen("https://api.ipquery.io/?format=json", timeout=5) as response:
    data = json.load(response)

print(json.dumps(data, indent=2))

Own-IP request

package main

import (
    "io"
    "log"
    "net/http"
    "os"
    "time"
)

func main() {
    client := &http.Client{Timeout: 5 * time.Second}
    response, err := client.Get("https://api.ipquery.io/?format=json")
    if err != nil { log.Fatal(err) }
    defer response.Body.Close()
    if response.StatusCode != http.StatusOK {
        log.Fatalf("IPQuery %s", response.Status)
    }
    if _, err := io.Copy(os.Stdout, response.Body); err != nil {
        log.Fatal(err)
    }
}