# FluentEDI, free: IP company lookup API

> Give it an IP address instead and it returns the owning network: name, CIDR range, and the responsible registry.

FluentEDI's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. We check each provider's docs for 10 fields. FluentEDI's docs list 2: Owner's name, Network range.
You get as many calls as you like.
In [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt), this plan scores 71.6 out of 100. FluentEDI ranks 50th of 61 providers.
We rank 530 plans for IP company lookup APIs by price. Half the plans cost $0.239 or less per 1,000 IP addresses. This plan and 39 others tie for the lowest price per 1,000 IP addresses of the 530 plans. [See the best free IP company lookup API plan.](https://datacircle.dev/best-ip-company-lookup-api.txt)
[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), [thenetworkery](https://datacircle.dev/ip-company-lookup-apis/thenetworkery/free/llms.txt) and [DC5 WHOIS](https://datacircle.dev/ip-company-lookup-apis/dc5-whois/free-public-instance-get-api-v1-lookup/llms.txt) are the best IP company lookup API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/ip-company-lookup-apis/fluentedi/free
- [IP company lookup API in 2026: the best of 60+ compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://fluentedi.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://fluentedi.com/v1/domain/lookup`
- API key: not needed
- Its API docs: https://fluentedi.com/v1/tools/domain.lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: FluentEDI (https://fluentedi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 20%
- Owner's name: ✓
- Network range: ✓

## Score

- Overall score: 71.6
- Price score: 100
- Accuracy score: 43
- Cost to get started score: 100
- Bundle score: 98
- Performance score: 19

## Price

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

## Charges

- Also pays for: 48 other FluentEDI calls

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Give it an IP address instead and it returns the owning network: name, CIDR range, and the responsible registry.

## Data

- Freshness: live
- Keep data: no limit
- Use data: any

## Plan

- Pay: $0
- Enough for: no limit

## Rate limit

- Concurrent: no limit
- Batch: 1

## Speed

- Answer: in the call
- Median: 0.52 s

## The call

- You send: query
- Method: GET
- Path: /v1/domain/lookup

## About the plan

- Plan: Free
- Who can get it: anyone

## The 3 fields the plan's answer can hold

network name, CIDR range, responsible registry

## FluentEDI's plans (1)

- [FluentEDI, free](https://datacircle.dev/ip-company-lookup-apis/fluentedi/free/llms.txt): $0.00 per 1,000, 20% complete, live

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

- `GET /v1/domain/lookup`: [FluentEDI, free](https://datacircle.dev/ip-company-lookup-apis/fluentedi/free/llms.txt)

## FluentEDI's APIs (3)

- [FluentEDI: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/fluentedi/free/llms.txt)
- [FluentEDI: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/fluentedi/free/llms.txt)
- [FluentEDI: IP company lookup API pricing, 1 plan](https://datacircle.dev/ip-company-lookup-apis/fluentedi/free/llms.txt)

## FluentEDI: IP company lookup API alternatives

- [How.is, free](https://datacircle.dev/ip-company-lookup-apis/how-is/free/llms.txt): $0.00 per 1,000, 40% complete, live
- [WhoisFreaks, free, GET /v1.0/ip-whois](https://datacircle.dev/ip-company-lookup-apis/whoisfreaks/free-get-v1-0-ip-whois/llms.txt): $0.00 per 1,000, 20% complete, live
- [Agent Data Tools, free calls, GET /pack/ip-intelligence](https://datacircle.dev/ip-company-lookup-apis/agent-data-tools/free-calls-get-pack-ip-intelligence/llms.txt): $0.00 per 1,000, 20% complete, live
- [x402 Vending Machine, pay as you go](https://datacircle.dev/ip-company-lookup-apis/x402-vending-machine/pay-as-you-go/llms.txt): $3.00 per 1,000, 20% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://fluentedi.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://fluentedi.com/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://fluentedi.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://fluentedi.com/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://fluentedi.com/v1/tools/domain.lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing