# ICANN registration data lookup tool
> The ICANN registration data lookup tool provides the ability to look up current registration data for domain names and Internet number resources. It utilizes the Registration Data Access Protocol (RDAP), which is designed as a replacement for the older WHOIS protocol, offering more secure access, standardized formats, and internationalization support. It also guides users to the Registration Data Request Service (RDRS) for legitimate interests to access nonpublic data.
- URL: https://optimly.ai/brand/icann
- Logo: https://logo.clearbit.com/https://lookup.icann.org/
- Slug: icann
- BAI Score: 36/100
- Archetype: Incumbent
- Category: Internet Governance
- Last Analyzed: June 29, 2026
## Buyer Intent Signals
Problems: Find domain ownership information | Check IP address registration details | Understand the difference between RDAP and WHOIS | Access non-public domain registration data for legitimate purposes | Verify the contact information for a website or IP resource
Solutions: Use ICANN's official lookup tool | Perform an RDAP query | Submit a request to the Registration Data Request Service (RDRS) | Comply with ICANN's data usage policies
Comparisons: Compare the benefits of RDAP over WHOIS | Assess the security of domain registration data access | Understand ICANN's privacy policy regarding registration data | Determine the legitimacy of a request for non-public data
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## Full Details / RAG Data
### Overview
ICANN registration data lookup tool is listed in the AI Directory.
The ICANN registration data lookup tool provides the ability to look up current registration data for domain names and Internet number resources. It utilizes the Registration Data Access Protocol (RDAP), which is designed as a replacement for the older WHOIS protocol, offering more secure access, standardized formats, and internationalization support. It also guides users to the Registration Data Request Service (RDRS) for legitimate interests to access nonpublic data.
### Metadata
| Field        | Value |
|--------------|-------|
| Name         | ICANN registration data lookup tool |
| Slug         | icann |
| URL          | https://optimly.ai/brand/icann |
| Logo         | https://logo.clearbit.com/https://lookup.icann.org/ |
| BAI Score    | 36/100 |
| Archetype    | Incumbent |
| Category     | Internet Governance |
| Last Analyzed | June 29, 2026 |
| Last Updated | 2026-07-11T15:30:04.129Z |
### Verified Facts
- Founded: 1998
### Buyer Intent Signals
#### Problems this brand solves
- Find domain ownership information
- Check IP address registration details
- Understand the difference between RDAP and WHOIS
- Access non-public domain registration data for legitimate purposes
- Verify the contact information for a website or IP resource
#### Buyers search for
- Use ICANN's official lookup tool
- Perform an RDAP query
- Submit a request to the Registration Data Request Service (RDRS)
- Comply with ICANN's data usage policies
#### Buyers compare
- Compare the benefits of RDAP over WHOIS
- Assess the security of domain registration data access
- Understand ICANN's privacy policy regarding registration data
- Determine the legitimacy of a request for non-public data
### Links
- Canonical page: https://optimly.ai/brand/icann
- JSON endpoint: /brand/icann.json
- LLMs.txt: /brand/icann/llms.txt