Worked examples for IP WHOIS: the current registration record of a well-known public IP address, and the answer to an IPv6 address. ipwhois.asn and its asn_* fields describe the autonomous system that announces the address; ipwhois.asn_registry names the regional internet registry (RIR) the record comes from.

Every example is a real response from September 24, 2026. ipwhois.network is the registered network that contains the address; ipwhois.entities lists the handles of the organizations and contacts attached to it and ipwhois.objects gives the details of each, keyed by handle. Contacts of natural persons (names, addresses, phone numbers, email addresses) are redacted, and email addresses other than role mailboxes are shown as user@<domain>.

Endpoint
IP WHOIS
ExampleParamValueStatus
Google Public DNS (ARIN)ip8.8.8.8200 OK
An IPv6 Address (HTTP 400)ip2001:4860:4860::8888400 Bad Request
Quad9 DNS (ARIN)ip9.9.9.9200 OK
A Cloudflare Web Address (ARIN)ip104.16.132.229200 OK
Cloudflare DNS (APNIC)ip1.1.1.1200 OK
Yandex DNS (RIPE NCC)ip77.88.8.8200 OK
A Brazilian DNS Server (LACNIC)ip200.160.0.10200 OK
An African Network (AFRINIC)ip196.216.2.1200 OK

Reference updated