# C99.nl, $5 monthly: IP company lookup API

> Provides geolocation information for a given IP address or hostname.

C99.nl's Monthly plan for the IP company lookup API costs $0.033 per 1,000 IP addresses. C99.nl's docs list 4 of the 10 fields on our checklist: Owner's name, ASN, Country, Region and city.
We haven't run C99.nl through [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt) yet.
Half of the 398 plans we rank by price cost $0.112 per 1,000 IP addresses or less. This plan costs less per 1,000 IP addresses than 71% of the 398 plans.
[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/c99-nl/5-monthly
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://api.c99.nl/shop?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://api.c99.nl/geoip`
- API key: with the plan, on https://api.c99.nl/shop?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://api.c99.nl/documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing#/Domain%20&%20IP%20Tools/get_geoip
- Sold by: C99.nl (https://api.c99.nl?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-04

## In the answer

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

## Price

- $ per 1,000 IP addresses: $0.033
- Per: call
- Billing: monthly
- $ a month: $5

## Charges

- Also pays for: from the same budget: Subdomain Finder · IP Reputation/Malicious IP Checker · Phone Number Lookup · Firewall Detector · Get Hostname · DNS Checker · Gets the IP behind a host · IP to Domains · WHOIS Lookup · Up or Down Checker · URL Reputation Checker · Get HTTP Headers · Link Backup (Archive.org) · Dictionary Lookup · Email Validator · Disposable Email Checker · IP Address Validator · Tor Exit Node Checker · Translate Text · Random Person Generator · YouTube Video Details · View IP Loggers · View IP Logger Logs · Bitcoin Address Balance · Currency Converter · Currency Rates · Currencies · Weather Information · QR Code Generator · Password Generator · License Key Generator · Random Number Generator · Search GIFs

## In their words

- Their pitch: Provides geolocation information for a given IP address or hostname.

## Data

- Keep data: no limit
- Use data: "We grant you a limited, non-exclusive, non-transferable, and revocable license to use the C99.nl API for its intended purposes, subject to your compliance with these Terms of Service." [...] "You agree not to engage in any of the following activities: Sharing API Keys: Do not share your API key with others. Your API key is unique to your account and is intended for your use only. Abuse of the API: Do not abuse the API in ways that could disrupt the service for other users. This includes, but is not limited to, excessive requests, spamming, or any activity that places an unreasonable load on our infrastructure. Competitive Use: Do not use the API to create or support any service that directly competes with C99.nl or its offerings. Interception of Connections: Do not use the API key in software or environments where outgoing connections can be intercepted. Illegal Activities: Do not use the API for any illegal, fraudulent, or malicious purposes. Reverse Engineering: Do not attempt to reverse engineer, decompile, or disassemble the API or any part of the Service. Bypassing Restrictions: Do not attempt to bypass any rate limits, security measures, or access controls implemented by C99.nl." [...] "Compliance: You agree to comply with all applicable laws, regulations, and third-party agreements in your use of the API."

## Plan

- Pay: $5
- You get: 150,000 requests a month
- Enough for: 150,000 calls a month

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: host
- Method: GET
- Path: /geoip

## About the plan

- Plan: Monthly
- Who can get it: anyone

## The 8 fields the plan's answer can hold

IP address, hostname, country code, country name, city, ISP, organization, ASN

## C99.nl's plans (3)

- [C99.nl, $5 monthly](https://datacircle.dev/ip-company-lookup-apis/c99-nl/5-monthly/llms.txt): $0.033 per 1,000, 40% complete
- [C99.nl, $25 yearly](https://datacircle.dev/ip-company-lookup-apis/c99-nl/25-yearly/llms.txt): $0.014 per 1,000, 40% complete
- [C99.nl, contact us](https://datacircle.dev/ip-company-lookup-apis/c99-nl/contact-us/llms.txt): 40% complete

## C99.nl's calls for this API (1)

- `GET /geoip`: [C99.nl, $5 monthly](https://datacircle.dev/ip-company-lookup-apis/c99-nl/5-monthly/llms.txt)

## C99.nl's APIs (2)

- [C99.nl: domain WHOIS API pricing, 3 plans](https://datacircle.dev/domain-whois-apis/c99-nl/5-monthly/llms.txt)
- [C99.nl: IP company lookup API pricing, 3 plans](https://datacircle.dev/ip-company-lookup-apis/c99-nl/5-monthly/llms.txt)

## C99.nl: IP company lookup API alternatives

- [ipwhois.io, $19.99 monthly](https://datacircle.dev/ip-company-lookup-apis/ipwhois-io/19-99-monthly/llms.txt): $0.033 per 1,000, 50% complete
- [ipapi.is, top-up from $1, One-Time Credits, POST /](https://datacircle.dev/ip-company-lookup-apis/ipapi-is/top-up-from-1-one-time-credits-post/llms.txt): $0.033 per 1,000, 80% complete
- [DB-IP, €2,398.80 yearly, Premium 200K Extended API, GET /v2/{apiKey}/{ipAddressList}](https://datacircle.dev/ip-company-lookup-apis/db-ip/2398-80-yearly-premium-200k-extended-api-get-v2-apikey-ipaddresslist/llms.txt): $0.033 per 1,000, 50% complete
- [ipify, $3,990 yearly, Yearly subscription: 10,000,000 Credits per month, GET /api/v2/country](https://datacircle.dev/ip-company-lookup-apis/ipify/3990-yearly-yearly-subscription-10000000-credits-per-month-get-api-v2-country/llms.txt): $0.033 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 2026-11-04.

- https://api.c99.nl?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://api.c99.nl/documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://api.c99.nl/documentation?spec=json&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://api.c99.nl/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://api.c99.nl/shop?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://api.c99.nl/tos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing