# IPScanner, free, GET /asn/{ip}: IP company lookup API

> The autonomous system an IP belongs to and what kind of network it is.

IPScanner's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. IPScanner's docs list 2 of the 10 fields on our checklist: Owner's name, ASN.
IPScanner limits how many calls you get but gives no number.
We haven't run IPScanner through [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt) yet.
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/ipscanner/free-get-asn-ip
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://ipscanner.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://ipscanner.io/v1/asn/{ip}`
- API key: with the plan, on https://ipscanner.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://ipscanner.io/api-documentation/asn-data?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: IPScanner (https://ipscanner.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 20%
- Owner's name: ✓
- ASN: ✓

## 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: The autonomous system an IP belongs to and what kind of network it is.

## Data

- Keep data: no limit
- Use data: The Free plan is for evaluating the Service, building and testing an integration, and personal or non-commercial projects. [...] Using the Service in a commercial product or service that is live for customers or users ("commercial production use") requires credits.

## Plan

- Pay: $0

## Rate limit

- Per second: 0.028
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: ip
- Method: GET
- Path: /asn/{ip}

## About the plan

- Plan: Free
- Who can get it: anyone, for evaluating, testing and personal or non-commercial projects, no card needed

## The 5 fields the plan's answer can hold

IP address, ASN, ASN name, ASN type, ASN country

## IPScanner's plans (6)

- [IPScanner, free, GET /asn/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipscanner/free-get-asn-ip/llms.txt): $0.00 per 1,000, 20% complete
- [IPScanner, free, 25,000 free credits, GET /asn/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipscanner/free-25000-free-credits-get-asn-ip/llms.txt): $0.00 per 1,000, 20% complete
- [IPScanner, $5 pack, Pay as you go $5, GET /asn/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipscanner/5-pack-pay-as-you-go-5-get-asn-ip/llms.txt): 20% complete
- [IPScanner, $20 pack, Pay as you go $20, GET /asn/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipscanner/20-pack-pay-as-you-go-20-get-asn-ip/llms.txt): 20% complete
- [IPScanner, $100 pack, Pay as you go $100, GET /asn/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipscanner/100-pack-pay-as-you-go-100-get-asn-ip/llms.txt): 20% complete
- [IPScanner, contact us, Enterprise, GET /asn/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipscanner/contact-us-enterprise-get-asn-ip/llms.txt): 20% complete

## IPScanner's calls for this API (2)

- `GET /asn/{ip}`: [IPScanner, free, GET /asn/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipscanner/free-get-asn-ip/llms.txt)
- `POST /ip/lookup`: [IPScanner, free, 25,000 free credits, POST /ip/lookup](https://datacircle.dev/ip-company-lookup-apis/ipscanner/free-25000-free-credits-post-ip-lookup/llms.txt)

## IPScanner's APIs (3)

- [IPScanner: domain WHOIS API pricing, 6 plans](https://datacircle.dev/domain-whois-apis/ipscanner/free-get-whois-domain/llms.txt)
- [IPScanner: email verification API pricing, 5 plans](https://datacircle.dev/validate-email-apis/ipscanner/free/llms.txt)
- [IPScanner: IP company lookup API pricing, 6 plans](https://datacircle.dev/ip-company-lookup-apis/ipscanner/free-get-asn-ip/llms.txt)

## IPScanner: IP company lookup API alternatives

- [DNSlytics, free](https://datacircle.dev/ip-company-lookup-apis/dnslytics/free/llms.txt): $0.00 per 1,000, 30% complete
- [ipwhois.io, free](https://datacircle.dev/ip-company-lookup-apis/ipwhois-io/free/llms.txt): $0.00 per 1,000, 50% complete
- [IPBot, free, Anonymous, GET /v1/ip/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipbot/free-anonymous-get-v1-ip-ip/llms.txt): $0.00 per 1,000, 80% complete
- [IP-API.com, free, POST /batch](https://datacircle.dev/ip-company-lookup-apis/ip-api-com/free-post-batch/llms.txt): $0.00 per 1,000, 50% complete, 24 hours
- [IPKit, free](https://datacircle.dev/ip-company-lookup-apis/ipkit/free/llms.txt): $0.00 per 1,000, 80% 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 2026-11-07.

- https://ipscanner.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipscanner.io/api-documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipscanner.io/api-documentation/asn-data?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipscanner.io/api-documentation/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipscanner.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipscanner.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing