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 192.168.0.0/24

ip
🌐 https://rdap.org/ip/192.168.0.0/24 🕐 2026-10-26T00:51:57.878118311Z

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
✅ All declared extensions are recognized
✅ objectClassName field is present
Validation Errors
No validation errors

Regional Internet Registry (RIR)

RIR
Unknown
Region
Unknown

Raw JSON Response

View raw JSON
{ "arin_originas0_originautnums" : [ ], "cidr0_cidrs" : [ { "v4prefix" : "192.168.0.0", "length" : 16 } ], "endAddress" : "192.168.255.255", "entities" : [ { "entities" : [ { "events" : [ { "eventAction" : "last changed", "eventDate" : "2013-11-11T13:27:24-05:00" } ], "handle" : "IANA-ARIN", "links" : [ { "href" : "https://rdap.arin.net/registry/entity/IANA-ARIN", "rel" : "self", "type" : "application/rdap+json", "value" : "https://rdap.arin.net/registry/ip/192.168.0.0/24" }, { "href" : "https://whois.arin.net/rest/poc/IANA-ARIN", "rel" : "alternate", "type" : "application/xml", "value" : "https://rdap.arin.net/registry/ip/192.168.0.0/24" } ], "objectClassName" : "entity", "port43" : "whois.arin.net", "roles" : [ "administrative" ], "status" : [ "validated" ], "vcardArray" : [ "vcard", [ [ "version", { }, "text", "4.0" ], [ "adr", { "label" : "12025 Waterfront Drive\r\nSuite 300\nLos Angeles\nCA\n90292\nUnited States" }, "text", [ "", "", "", "", "", "", "" ] ], [ "fn", { }, "text", "Internet Corporation for Assigned Names and Number" ], [ "org", { }, "text", "Internet Corporation for Assigned Names and Number" ], [ "kind", { }, "text", "group" ], [ "email", { }, "text", "res-ip@iana.org" ], [ "tel", { "type" : [ "work", "voice" ] }, "text", "+1-310-823-9358" ] ] ] }, { "events" : [ { "eventAction" : "last changed", "eventDate" : "2014-08-11T13:22:29-04:00" }, { "eventAction" : "registration", "eventDate" : "2003-08-25T00:00:00-04:00" } ], "handle" : "IANA-IP-ARIN", "links" : [ { "href" : "https://rdap.arin.net/registry/entity/IANA-IP-ARIN", "rel" : "self", "type" : "application/rdap+json", "value" : "https://rdap.arin.net/registry/ip/192.168.0.0/24" }, { "href" : "https://whois.arin.net/rest/poc/IANA-IP-ARIN", "rel" : "alternate", "type" : "application/xml", "value" : "https://rdap.arin.net/registry/ip/192.168.0.0/24" } ], "objectClassName" : "entity", "port43" : "whois.arin.net", "remarks" : [ { "description" : [ "Think we're attacking you? Please look here: \r", "http://www.iana.org/abuse" ], "title" : "Registration Comments" } ], "roles" : [ "abuse", "technical" ], "status" : [ "validated" ], "vcardArray" : [ "vcard", [ [ "version", { }, "text", "4.0" ], [ "adr", { "label" : "12025 Waterfront Drive\r\nSuite 300\nLos Angeles\nCA\n90292\nUnited States" }, "text", [ "", "", "", "", "", "", "" ] ], [ "fn", { }, "text", "ICANN" ], [ "org", { }, "text", "Internet Corporation for Assigned Names and Numbers" ], [ "kind", { }, "text", "group" ], [ "email", { }, "text", "abuse@iana.org" ], [ "tel", { "type" : [ "work", "voice" ] }, "text", "+1-310-301-5820" ] ] ] } ], "events" : [ { "eventAction" : "last changed", "eventDate" : "2024-05-24T10:19:53-04:00" } ], "handle" : "IANA", "links" : [ { "href" : "https://rdap.arin.net/registry/entity/IANA", "rel" : "self", "type" : "application/rdap+json", "value" : "https://rdap.arin.net/registry/ip/192.168.0.0/24" }, { "href" : "https://whois.arin.net/rest/org/IANA", "rel" : "alternate", "type" : "application/xml", "value" : "https://rdap.arin.net/registry/ip/192.168.0.0/24" } ], "objectClassName" : "entity", "port43" : "whois.arin.net", "roles" : [ "registrant" ], "vcardArray" : [ "vcard", [ [ "version", { }, "text", "4.0" ], [ "fn", { }, "text", "Internet Assigned Numbers Authority" ], [ "adr", { "label" : "12025 Waterfront Drive\r\nSuite 300\nLos Angeles\nCA\n90292\nUnited States" }, "text", [ "", "", "", "", "", "", "" ] ], [ "kind", { }, "text", "org" ] ] ] } ], "events" : [ { "eventAction" : "last changed", "eventDate" : "2024-05-24T10:19:53-04:00" }, { "eventAction" : "registration", "eventDate" : "1994-03-15T00:00:00-05:00" } ], "handle" : "NET-192-168-0-0-1", "ipVersion" : "v4", "links" : [ { "href" : "https://rdap.arin.net/registry/ip/192.168.0.0", "rel" : "self", "type" : "application/rdap+json", "value" : "https://rdap.arin.net/registry/ip/192.168.0.0/24" }, { "href" : "https://whois.arin.net/rest/net/NET-192-168-0-0-1", "rel" : "alternate", "type" : "application/xml", "value" : "https://rdap.arin.net/registry/ip/192.168.0.0/24" } ], "name" : "PRIVATE-ADDRESS-CBLK-RFC1918-IANA-RESERVED", "notices" : [ { "description" : [ "By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use" ], "links" : [ { "href" : "https://www.arin.net/resources/registry/whois/tou/", "rel" : "terms-of-service", "type" : "text/html", "value" : "https://rdap.arin.net/registry/ip/192.168.0.0/24" } ], "title" : "Terms of Service" }, { "description" : [ "If you see inaccuracies in the results, please visit: " ], "links" : [ { "href" : "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/", "rel" : "inaccuracy-report", "type" : "text/html", "value" : "https://rdap.arin.net/registry/ip/192.168.0.0/24" } ], "title" : "Whois Inaccuracy Reporting" }, { "description" : [ "Copyright 1997-2026, American Registry for Internet Numbers, Ltd." ], "title" : "Copyright Notice" } ], "objectClassName" : "ip network", "parentHandle" : "NET-192-0-0-0-0", "port43" : "whois.arin.net", "rdapConformance" : [ "nro_rdap_profile_0", "rdap_level_0", "cidr0", "arin_originas0" ], "remarks" : [ { "description" : [ "These addresses are in use by many millions of independently operated networks, which might be as small as a single computer connected to a home gateway, and are automatically configured in hundreds of millions of devices. They are only intended for use within a private context and traffic that needs to cross the Internet will need to use a different, unique address.\r", "\r", "These addresses can be used by anyone without any need to coordinate with IANA or an Internet registry. The traffic from these addresses does not come from ICANN or IANA. We are not the source of activity you may see on logs or in e-mail records. Please refer to http://www.iana.org/abuse/answers\r", "\r", "These addresses were assigned by the IETF, the organization that develops Internet protocols, in the Best Current Practice document, RFC 1918 which can be found at:\r", "http://datatracker.ietf.org/doc/rfc1918" ], "title" : "Registration Comments" } ], "startAddress" : "192.168.0.0", "status" : [ "reserved" ] }

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