RDAP Explorer

Registration Data Access Protocol — RFC 9083
v0.1.0

RFC 9083 defines JSON Responses for the Registration Data Access Protocol (RDAP). RDAP is a replacement for WHOIS, providing structured data access for domain names, IP addresses, and AS numbers.

Lookup

Enter a domain, IP address, ASN, or CIDR range to query:

Results for 1.1.1.1

ip
🌐 https://rdap.org/ip/1.1.1.1 🕐 2026-10-26T00:46:48.284930743Z

Fetch Tests

Successes
✅ HTTPS is used for RDAP query
✅ Query input is valid
✅ RDAP server found and query successful
✅ Content-Type is application/rdap+json as required
✅ RDAP content fetched successfully
✅ RDAP response parsed as valid JSON
Errors
No errors

Validation Tests (RFC 9083)

Successes
✅ Content-Type is application/rdap+json
✅ Response has valid JSON structure
✅ rdapConformance array is present per RFC 9083
✅ objectClassName field is present
Validation Errors
Error
⚠️ RDAP conformance extensions are declared but not standard: ["history_version_0"]

Regional Internet Registry (RIR)

RIR
Unknown
Region
Unknown

Raw JSON Response

View raw JSON
{"rdapConformance":["history_version_0","nro_rdap_profile_0","cidr0","rdap_level_0"],"notices":[{"title":"Source","description":["Objects returned came from source","APNIC"]},{"title":"Terms and Conditions","description":["This is the APNIC WHOIS Database query service. The objects are in RDAP format."],"links":[{"value":"https://rdap.apnic.net/ip/1.1.1.1","rel":"terms-of-service","href":"http://www.apnic.net/db/dbcopyright.html","type":"text/html"}]},{"title":"Whois Inaccuracy Reporting","description":["If you see inaccuracies in the results, please visit: "],"links":[{"value":"https://rdap.apnic.net/ip/1.1.1.1","rel":"inaccuracy-report","href":"https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form","type":"text/html"}]}],"country":"AU","name":"APNIC-LABS","status":["active"],"events":[{"eventAction":"registration","eventDate":"2011-08-10T23:12:35Z"},{"eventAction":"last changed","eventDate":"2023-04-26T22:57:58Z"}],"links":[{"value":"https://rdap.apnic.net/ip/1.1.1.1","rel":"self","href":"https://rdap.apnic.net/ip/1.1.1.0/24","type":"application/rdap+json"}],"remarks":[{"description":["APNIC and Cloudflare DNS Resolver project","Routed globally by AS13335/Cloudflare","Research prefix for APNIC Labs"],"title":"description"},{"description":["---------------","All Cloudflare abuse reporting can be done via","resolver-abuse@cloudflare.com","---------------"],"title":"remarks"}],"entities":[{"roles":["administrative","technical"],"events":[{"eventAction":"registration","eventDate":"2023-04-26T00:42:16Z"},{"eventAction":"last changed","eventDate":"2024-07-18T04:37:37Z"}],"links":[{"value":"https://rdap.apnic.net/ip/1.1.1.1","rel":"self","href":"https://rdap.apnic.net/entity/AIC3-AP","type":"application/rdap+json"}],"handle":"AIC3-AP","objectClassName":"entity","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","APNICRANDNET Infrastructure Contact"],["kind",{},"text","group"],["adr",{"label":"6 Cordelia St South Brisbane QLD 4101"},"text",["","","","","","",""]],["tel",{"type":"voice"},"text","+61 7 3858 3100"],["email",{},"text","research@apnic.net"]]]},{"roles":["abuse"],"events":[{"eventAction":"registration","eventDate":"2011-04-12T17:56:54Z"},{"eventAction":"last changed","eventDate":"2025-11-18T00:26:57Z"}],"links":[{"value":"https://rdap.apnic.net/ip/1.1.1.1","rel":"self","href":"https://rdap.apnic.net/entity/IRT-APNICRANDNET-AU","type":"application/rdap+json"}],"remarks":[{"description":["helpdesk@apnic.net was validated on 2021-02-09"],"title":"remarks"}],"handle":"IRT-APNICRANDNET-AU","objectClassName":"entity","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","IRT-APNICRANDNET-AU"],["kind",{},"text","group"],["adr",{"label":"PO Box 3646\nSouth Brisbane, QLD 4101\nAustralia"},"text",["","","","","","",""]],["email",{},"text","helpdesk@apnic.net"],["email",{"pref":"1"},"text","helpdesk@apnic.net"]]]},{"roles":["registrant"],"events":[{"eventAction":"registration","eventDate":"2017-08-08T23:21:55Z"},{"eventAction":"last changed","eventDate":"2023-09-05T02:15:19Z"}],"links":[{"value":"https://rdap.apnic.net/ip/1.1.1.1","rel":"self","href":"https://rdap.apnic.net/entity/ORG-ARAD1-AP","type":"application/rdap+json"}],"handle":"ORG-ARAD1-AP","objectClassName":"entity","vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","APNIC Research and Development"],["kind",{},"text","org"],["adr",{"label":"6 Cordelia St"},"text",["","","","","","",""]],["tel",{"type":"voice"},"text","+61-7-38583100"],["tel",{"type":"fax"},"text","+61-7-38583199"],["email",{},"text","helpdesk@apnic.net"]]]}],"handle":"1.1.1.0 - 1.1.1.255","type":"ASSIGNED PORTABLE","startAddress":"1.1.1.0","endAddress":"1.1.1.255","objectClassName":"ip network","ipVersion":"v4","cidr0_cidrs":[{"v4prefix":"1.1.1.0","length":24}],"port43":"whois.apnic.net"}

API usage

There is also an API that returns the same results in JSON format, its endpoint is: /query?q=example.com&format=json

You can find the OpenAPI specification at /openapi.json