# Netlas, free: IP company lookup API

> Netlas IP WHOIS Lookup is your trusted resource for exploring IP ownership and network details. With frequently updated data and powerful query capabilities, it simplifies tasks like geolocation analysis, abuse investigation, and subnet tracking.

Netlas's Community plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. Netlas's docs list 3 of the 10 fields on our checklist: Owner's name, ASN, Network range.
We ran Netlas in [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt). We didn't score any Netlas plan.
This plan is free. We rank 398 plans for IP company lookup APIs by price. Half the plans cost $0.112 per 1,000 IP addresses or less. [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.
[FreeIPAPI's €9.90 monthly plan (/api/bulk/json)](https://datacircle.dev/ip-company-lookup-apis/freeipapi/9-90-monthly-unlimited-post-api-bulk-json/llms.txt) covers any number of IP addresses. FreeIPAPI's €9.90 monthly plan costs less up front than IPHunter's €99.99 monthly plan.
[DNSlytics](https://datacircle.dev/ip-company-lookup-apis/dnslytics/free/llms.txt), [ipwhois.io](https://datacircle.dev/ip-company-lookup-apis/ipwhois-io/free/llms.txt) and [IPBot](https://datacircle.dev/ip-company-lookup-apis/ipbot/free-anonymous-get-v1-ip-ip/llms.txt) are the best IP company lookup API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/ip-company-lookup-apis/netlas/free
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://netlas.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://app.netlas.io/api/whois_ip/`
- API key: with the plan, on https://netlas.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://docs.netlas.io/api-reference/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing#operation/ipWhoisSearch
- Sold by: Netlas (https://netlas.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 30%
- Owner's name: ✓
- ASN: ✓
- Network range: ✓

## Price

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

## Charges

- Also pays for: Perform a Node Search · Perform a Group Search · from the same budget: Host Summary · Responses Search · Domains Search

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Netlas IP WHOIS Lookup is your trusted resource for exploring IP ownership and network details. With frequently updated data and powerful query capabilities, it simplifies tasks like geolocation analysis, abuse investigation, and subnet tracking.

## Data

- Freshness: 15 days
- Keep data: the period necessary to fulfill your business or research purposes
- Use data: "Community Plans: Netlas Data is for personal, non-commercial use only and may not be resold or redistributed." [...] "Paid Plans: Netlas Data may be used for your own business purposes, including securing your own systems, conducting investigations, and performing internal research or analysis, as well as providing Commercial Client Services to your clients." [...] "You agree not to: [...] Store, modify, or redistribute the Netlas Data for resale unless your pricing plan explicitly allows it. [...] Share API keys or access credentials with third parties. [...] Use the API to create a competing product or service, except as expressly authorized by your resale/white-label option. [...] Use the Netlas Data in a way that could harm individuals, violate privacy laws, or be used for illegal activities."

## Plan

- Pay: $0
- You get: 50 requests a day
- Enough for: 50 calls a day

## Rate limit

- Per day: 50
- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: q. Optional: start, indices, fields, source_type
- Method: GET
- Path: /api/whois_ip/

## About the plan

- Plan: Community
- Who can get it: personal, non-commercial use only

## The 25 fields the plan's answer can hold

IP, network name, network handle, network organization, network description, network range, network CIDR, network start IP, network end IP, network size, network address, network city, network state, network postal code, network country, network created date, network updated date, ASN number, ASN name, ASN country, ASN registry, ASN CIDR, ASN updated date, related networks, indexed at

## Netlas's plans (7)

- [Netlas, free](https://datacircle.dev/ip-company-lookup-apis/netlas/free/llms.txt): $0.00 per 1,000, 30% complete, 15 days
- [Netlas, $49 monthly](https://datacircle.dev/ip-company-lookup-apis/netlas/49-monthly/llms.txt): $1.633 per 1,000, 30% complete, 15 days
- [Netlas, $249 monthly](https://datacircle.dev/ip-company-lookup-apis/netlas/249-monthly/llms.txt): $0.83 per 1,000, 30% complete, 15 days
- [Netlas, $490 yearly](https://datacircle.dev/ip-company-lookup-apis/netlas/490-yearly/llms.txt): $1.343 per 1,000, 30% complete, 15 days
- [Netlas, $2,490 yearly](https://datacircle.dev/ip-company-lookup-apis/netlas/2490-yearly/llms.txt): $0.682 per 1,000, 30% complete, 15 days
- [Netlas, $9,960 yearly](https://datacircle.dev/ip-company-lookup-apis/netlas/9960-yearly/llms.txt): $0.32 per 1,000, 30% complete, 15 days
- [Netlas, contact us](https://datacircle.dev/ip-company-lookup-apis/netlas/contact-us/llms.txt): 30% complete, 15 days

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

- `GET /api/whois_ip/`: [Netlas, free](https://datacircle.dev/ip-company-lookup-apis/netlas/free/llms.txt)

## Netlas's APIs (2)

- [Netlas: IP company lookup API pricing, 7 plans](https://datacircle.dev/ip-company-lookup-apis/netlas/free/llms.txt)
- [Netlas: domain WHOIS API pricing, 6 plans](https://datacircle.dev/domain-whois-apis/netlas/49-monthly/llms.txt)

## Netlas: IP company lookup API alternatives

- [Ipregistry, $29 monthly, Starter, GET /{ip}](https://datacircle.dev/ip-company-lookup-apis/ipregistry/29-monthly-starter-get-ip/llms.txt): $0.29 per 1,000, 80% complete, 1 day
- [RDAPAPI, $9 monthly](https://datacircle.dev/ip-company-lookup-apis/rdapapi/9-monthly/llms.txt): $0.30 per 1,000, 30% complete, 48 hours
- [IP2Location.io, $49 monthly, Starter, GET /](https://datacircle.dev/ip-company-lookup-apis/ip2location-io/49-monthly-starter-get/llms.txt): $0.327 per 1,000, 60% complete, 1 day
- [ipify, $199 yearly, Yearly subscription: 100,000 Credits per month, GET /api/v2/country,city](https://datacircle.dev/ip-company-lookup-apis/ipify/199-yearly-yearly-subscription-100000-credits-per-month-get-api-v2-country-city/llms.txt): $0.332 per 1,000, 40% complete, 1 day

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.

- https://app.netlas.io/plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://cdn.netlas.io/netlas-openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.netlas.io/api-reference/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.netlas.io/knowledge-base/data-collection/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.netlas.io/knowledge-base/field-reference/whois_ip/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.netlas.io/quick-start/account/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.netlas.io/quick-start/host/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://netlas.io/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://netlas.io/features/ip_whois_lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://netlas.io/legal/license_agreement?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://netlas.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing