# Censys, free, GET /v3/global/asset/host/{host_id}: IP company lookup API

> Retrieve information about a single host. A host ID is its IP address.

Censys's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. Censys's docs list 5 of the 10 fields on our checklist: Owner's name, ASN, Network range, Country, Region and city.
We haven't run Censys 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/censys/free-get-v3-global-asset-host-host-id
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://censys.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://api.platform.censys.io/v3/global/asset/host/{host_id}`
- API key: with the plan, on https://censys.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://docs.censys.com/reference/v3-globaldata-asset-host?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: Censys (https://censys.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 50%
- Owner's name: ✓
- ASN: ✓
- Network range: ✓
- Country: ✓
- Region and city: ✓

## Price

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

## Charges

- Also pays for: from the same budget: Retrieve multiple hosts · Get a web property · Get a certificate · Retrieve multiple web properties · Retrieve multiple certificates

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Retrieve information about a single host. A host ID is its IP address.

## Data

- Keep data: the term of your subscription: the license runs "during the term of Customer's Subscription" and "all rights, obligations and licenses [...] shall cease" on its cancellation or lapse
- Use data: "Censys grants Customer a nonexclusive, non-transferable license (without the right to sublicense) during the term of Customer's Subscription to access and use the Service and the Censys Data only for Customer's internal, first-party business use. The Service is not provided for, and may not be used for, the enrichment of any third-party product or service." "The Service and the Censys Data are provided for Customer's internal use only and may not be used to enrich, augment, supplement or otherwise support any product or service offered to third parties. Customer shall not, directly or indirectly: (a) use the Service, the Censys Data or any Censys Property or Confidential Information [...] to create any service, software, product or system, or (b) provide the Service, the Censys Data or any Censys Property, in whole or in part, to any third party, including as a stand-alone product, service, application, file, report or database." "Customer shall not redistribute or resell the Censys Data." "Customer shall not, directly or indirectly: (a) use or enable any third party to use any Censys Data, Censys Property, or Confidential Information, or any derivatives of any of the foregoing, as prompts or inputs, or otherwise to train any artificial intelligence, machine learning or language models or similar technology or systems, [...] (c) encumber, sublicense, transfer, distribute, sell, rent, lease, loan, time-share or use the Service in any service bureau arrangement or otherwise for the benefit of any third party, (d) copy, edit, alter, adapt, combine, create derivative works of or otherwise modify the Service, the Censys Data or any Censys Property, [...]"

## Plan

- Pay: $0
- You get: 100 credits a month
- Enough for: 100 calls a month
- Expires: at the end of each month

## Rate limit

- Concurrent: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: host_id. Optional: at_time, organization_id
- Method: GET
- Path: /v3/global/asset/host/{host_id}

## About the plan

- Plan: Free
- Who can get it: anyone with a free Censys account

## The 44 fields the plan's answer can hold

IP address, organization name, organization handle, organization address, organization street, organization city, organization state, organization postal code, organization country, organization abuse contacts, organization admin contacts, organization tech contacts, network name, network handle, network CIDRs, network allocation type, network created date, network updated date, ASN, ASN name, ASN description, ASN organization, BGP prefix, ASN country code, city, province, country, country code, continent, postal code, latitude, longitude, timezone, registered country, registered country code, DNS names, forward DNS records, reverse DNS names, labels, service count, service port, service protocol, service scan time, service labels

## Censys's plans (6)

- [Censys, free, GET /v3/global/asset/host/{host_id}](https://datacircle.dev/ip-company-lookup-apis/censys/free-get-v3-global-asset-host-host-id/llms.txt): $0.00 per 1,000, 50% complete
- [Censys, $79 monthly, Censys Starter, GET /v3/global/asset/host/{host_id}](https://datacircle.dev/ip-company-lookup-apis/censys/79-monthly-censys-starter-get-v3-global-asset-host-host-id/llms.txt): $158.00 per 1,000, 50% complete
- [Censys, $599 monthly, Censys Starter Pro, GET /v3/global/asset/host/{host_id}](https://datacircle.dev/ip-company-lookup-apis/censys/599-monthly-censys-starter-pro-get-v3-global-asset-host-host-id/llms.txt): $149.75 per 1,000, 50% complete
- [Censys, contact us, Security Operations, GET /v3/global/asset/host/{host_id}](https://datacircle.dev/ip-company-lookup-apis/censys/contact-us-security-operations-get-v3-global-asset-host-host-id/llms.txt): 70% complete
- [Censys, contact us, Adversary Investigation, GET /v3/global/asset/host/{host_id}](https://datacircle.dev/ip-company-lookup-apis/censys/contact-us-adversary-investigation-get-v3-global-asset-host-host-id/llms.txt): 70% complete
- [Censys, contact us, Core, GET /v3/global/asset/host/{host_id}](https://datacircle.dev/ip-company-lookup-apis/censys/contact-us-core-get-v3-global-asset-host-host-id/llms.txt): 70% complete

## Censys's calls (3)

- `GET /v3/global/asset/host/{host_id}`: [Censys, free, GET /v3/global/asset/host/{host_id}](https://datacircle.dev/ip-company-lookup-apis/censys/free-get-v3-global-asset-host-host-id/llms.txt)
- `POST /v3/global/asset/host`: [Censys, free, POST /v3/global/asset/host](https://datacircle.dev/ip-company-lookup-apis/censys/free-post-v3-global-asset-host/llms.txt)
- `GET /v3/global/asset/enrichment/host/{host_ip}`: [Censys, contact us, Security Operations, GET /v3/global/asset/enrichment/host/{host_ip}](https://datacircle.dev/ip-company-lookup-apis/censys/contact-us-security-operations-get-v3-global-asset-enrichment-host-host-ip/llms.txt)

## Censys's APIs (1)

- [Censys: IP company lookup API pricing, 6 plans, GET /v3/global/asset/host/{host_id}](https://datacircle.dev/ip-company-lookup-apis/censys/free-get-v3-global-asset-host-host-id/llms.txt)

## Censys: IP company lookup API alternatives

- [Elioplus, $99 monthly](https://datacircle.dev/ip-company-lookup-apis/elioplus/99-monthly/llms.txt): $39.60 per 1,000, 60% complete, 7 days
- [Retention.com, $199 pack](https://datacircle.dev/ip-company-lookup-apis/retention-com/199-pack/llms.txt): $39.80 per 1,000, 10% complete
- [HubVibe, $25 pack](https://datacircle.dev/ip-company-lookup-apis/hubvibe/25-pack/llms.txt): $100.00 per 1,000, 40% complete, 1 month
- [FullHunt, $1,499 monthly](https://datacircle.dev/ip-company-lookup-apis/fullhunt/1499-monthly/llms.txt): $149.90 per 1,000, 30% 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 2026-11-05.

- https://censys.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://censys.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://censys.com/self-service-subscription-terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.censys.com/docs/data-access-tiers-entitlements?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.censys.com/docs/host-enrichment?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.censys.com/docs/platform-credits-enterprise?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.censys.com/docs/platform-credits-free-starter?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.censys.com/docs/platform-starter-subscriptions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.censys.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.censys.com/reference/v3-globaldata-asset-host?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing