# Osint, free: IP company lookup API

> To find out who owns an IP address and what it exposes, enter the IP: you get the network owner, range and country, plus the open ports, software, hostnames and known vulnerabilities public internet scanning has recorded for it - without scanning it yourself.

Osint's Free account plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. We check each provider's docs for 10 fields. Osint's docs list 4: Owner's name, Network range, Country, Region and city.
We haven't run Osint through [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt) yet.
This plan is free. We rank 421 plans for IP company lookup APIs by price. Half the plans cost $0.124 or less per 1,000 IP addresses. [See the best free IP company lookup API plan.](https://datacircle.dev/best-ip-company-lookup-api.txt)
[IPHunter's €99.99 monthly plan](https://datacircle.dev/ip-company-lookup-apis/iphunter/99-99-monthly/llms.txt) is the cheapest paid plan per 1,000 IP addresses. IPHunter's €99.99 monthly plan covers up to 11,520,000 IP addresses a day. [ipapi.is's top-up plan](https://datacircle.dev/ip-company-lookup-apis/ipapi-is/top-up-from-1-one-time-credits-post/llms.txt) costs the least for 10,000 IP addresses a month: $1.00.
[Api.co.id's Rp99,000 (about $5) monthly plan](https://datacircle.dev/ip-company-lookup-apis/api-co-id/rp99000-monthly/llms.txt) covers any number of IP addresses. Api.co.id's Rp99,000 (about $5) monthly plan costs less up front than IPHunter's €99.99 monthly plan.
[IPKit](https://datacircle.dev/ip-company-lookup-apis/ipkit/free/llms.txt), [MxToolbox](https://datacircle.dev/ip-company-lookup-apis/mxtoolbox/free-get-api-v1-lookup-asn/llms.txt) and [Enterno](https://datacircle.dev/ip-company-lookup-apis/enterno/free-open-api-get-api-open-ip/llms.txt) are the best IP company lookup API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/ip-company-lookup-apis/osint/free
- [IP company lookup API: the best of 40+ providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://osint.foundation/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://osint.foundation/api/v1/ip/{address}`
- API key: with the plan, on https://osint.foundation/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://osint.foundation/ip-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: Osint (https://osint.foundation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 40%
- Owner's name: ✓
- Network range: ✓
- Country: ✓
- Region and city: ✓

## Price

- $ per 1,000 IP addresses: $0.00
- Per: call
- Billing: free

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: To find out who owns an IP address and what it exposes, enter the IP: you get the network owner, range and country, plus the open ports, software, hostnames and known vulnerabilities public internet scanning has recorded for it - without scanning it yourself.

## Data

- Keep data: no limit
- Use data: Use the service only for lawful purposes, such as security research, fraud prevention, due diligence, journalism, investigations and checking your own exposure [...] You must not use the service, or anything it returns, to: stalk, harass, threaten, dox or intimidate anyone, [...] make decisions about a person’s employment, housing, credit or insurance, or discriminate against anyone, commit or facilitate fraud, identity theft or any other crime, resell or republish raw results as a competing dataset or service without our written permission, get around rate limits, credit metering or account restrictions, scrape the website instead of using the API, or repeatedly send input the service cannot process, attack, probe or overload the service or its infrastructure.

## Plan

- Pay: $0
- You get: 3 credits a day
- Enough for: 3 calls a day

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: address
- Method: GET
- Path: /v1/ip/{address}

## About the plan

- Plan: Free account
- Who can get it: anyone aged 18 or over who can enter a binding contract, with an email-verified account

## The 10 fields the plan's answer can hold

network owner, network range, country, open ports, detected software, hostnames, tags, known CVEs, CVE count, address scope

## Osint's plans (7)

- [Osint, free](https://datacircle.dev/ip-company-lookup-apis/osint/free/llms.txt): $0.00 per 1,000, 40% complete
- [Osint, $4.20 pack](https://datacircle.dev/ip-company-lookup-apis/osint/4-20-pack/llms.txt): $84.00 per 1,000, 40% complete
- [Osint, $29.99 pack](https://datacircle.dev/ip-company-lookup-apis/osint/29-99-pack/llms.txt): $29.99 per 1,000, 40% complete
- [Osint, $99.99 pack](https://datacircle.dev/ip-company-lookup-apis/osint/99-99-pack/llms.txt): $9.999 per 1,000, 40% complete
- [Osint, $699 pack](https://datacircle.dev/ip-company-lookup-apis/osint/699-pack/llms.txt): $1.398 per 1,000, 40% complete
- [Osint, $1,999 pack](https://datacircle.dev/ip-company-lookup-apis/osint/1999-pack/llms.txt): $0.20 per 1,000, 40% complete
- [Osint, contact us](https://datacircle.dev/ip-company-lookup-apis/osint/contact-us/llms.txt): 40% complete

## Osint's calls for this API (1)

- `GET /v1/ip/{address}`: [Osint, free](https://datacircle.dev/ip-company-lookup-apis/osint/free/llms.txt)

## Osint's APIs (13)

- [Osint: Facebook page API pricing, 7 plans](https://datacircle.dev/facebook-page-apis/osint/free/llms.txt)
- [Osint: GitHub profile API pricing, 7 plans](https://datacircle.dev/github-profile-apis/osint/free/llms.txt)
- [Osint: Instagram profile API pricing, 7 plans](https://datacircle.dev/instagram-profile-apis/osint/free/llms.txt)
- [Osint: business verification API pricing, 7 plans](https://datacircle.dev/business-verification-apis/osint/free/llms.txt)
- [Osint: domain WHOIS API pricing, 7 plans](https://datacircle.dev/domain-whois-apis/osint/free/llms.txt)
- [Osint: IP company lookup API pricing, 7 plans](https://datacircle.dev/ip-company-lookup-apis/osint/free/llms.txt)
- [Osint: local business search API pricing, 7 plans](https://datacircle.dev/local-business-search-apis/osint/free/llms.txt)
- [Osint: phone validation API pricing, 7 plans](https://datacircle.dev/validate-phone-apis/osint/free/llms.txt)
- [Osint: reverse email lookup API pricing, 7 plans](https://datacircle.dev/reverse-email-lookup-apis/osint/free/llms.txt)
- [Osint: web scraping API pricing, 7 plans](https://datacircle.dev/web-scraping-apis/osint/free/llms.txt)
- [Osint: Snapchat profile API pricing, 7 plans](https://datacircle.dev/snapchat-profile-apis/osint/free/llms.txt)
- [Osint: Telegram channel API pricing, 7 plans](https://datacircle.dev/telegram-channel-apis/osint/free/llms.txt)
- [Osint: TikTok profile API pricing, 7 plans](https://datacircle.dev/tiktok-profile-apis/osint/free/llms.txt)

## Osint: IP company lookup API alternatives

- [GeoIPHub, $29 monthly](https://datacircle.dev/ip-company-lookup-apis/geoiphub/29-monthly/llms.txt): $0.193 per 1,000, 70% complete, 3 days (registrant organization, registration country, network name, allocation status, registration date, registry last changed date: 1 week)
- [RDAPAPI, $199 monthly](https://datacircle.dev/ip-company-lookup-apis/rdapapi/199-monthly/llms.txt): $0.199 per 1,000, 30% complete, 48 hours
- [ipapi.co, $144 yearly](https://datacircle.dev/ip-company-lookup-apis/ipapi-co/144-yearly/llms.txt): $0.20 per 1,000, 50% complete
- [IPinfo, $31 monthly, IPinfo Core, POST /batch](https://datacircle.dev/ip-company-lookup-apis/ipinfo/31-monthly-ipinfo-core-post-batch/llms.txt): $0.207 per 1,000, 70% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://osint.foundation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://osint.foundation/ip-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://osint.foundation/openapi.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://osint.foundation/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://osint.foundation/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing