WHOIS APIs

Retrieve up-to-date WHOIS records for any domain, including registrant, administrative, and technical contact details. Essential for domain research, ownership verification, and cybersecurity.

Access detailed WHOIS data for any IP address. Includes network allocation, organization, and contact information for network troubleshooting and investigation.

Get comprehensive Autonomous System Number (ASN) information: block ranges, routing policies, contacts, and both structured and raw WHOIS data for any ASN. Perfect for network analysis and security.

Access the entire history of WHOIS records for any domain. Track ownership changes, registration updates, and historical contact details for compliance and research.

Find all domains registered by a specific company or owner, or search for domains containing particular keywords. Useful for brand protection, legal investigations, and market research.

Retrieve WHOIS data for multiple domains in one request. Streamline large-scale domain research, monitoring, and portfolio management.