Output format | Specifications | IP Geolocation Database Download | WhoisXML API
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WHOIS / WHOIS History
WHOIS / WHOIS History

Provide current and historical ownership information on domains / IPs. Identify all connections between domains, registrants, registrars, and DNS servers.

DNS / DNS History
DNS / DNS History

Look into all current and historical DNS / IP connections between domains and A, MX, NS, and other records. Monitor suspicious changes to DNS records.

IP Geolocation / IP Netblocks
IP Geolocation / IP Netblocks

Get detailed context on an IP address, including its user’s geolocation, time zone, connected domains, connection type, IP range, ASN, and other network ownership details.

Domain Research Suite (DRS)
Domain Research Suite (DRS)

Access our web-based solution to dig into and monitor all domain events of interest.

Domain Research Suite (DRS)
Domain Research Suite (DRS)

Get access to a web-based enterprise-grade solution to search and monitor domain registrations and ownership details for branded terms, fuzzy matches, registrants of interest, and more.

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Predictive Threat Intelligence Feeds
Predictive Threat Intelligence Feeds

Predictive threat intelligence is your best first line of defense. Subscribe to the feeds to strengthen your cybersecurity posture. Contact us today for more information.

WhoisXML API Internet Infrastructure
Internet Infrastructure

Unlock integrated intelligence on Internet properties and their ownership, infrastructure, and other attributes.

Enterprise API Packages
Enterprise API Packages

Our complete set of domain, IP, and DNS intelligence available via API calls as an annual subscription with predictable pricing.

Security Intelligence (SI) Suite
Security Intelligence (SI) Suite

Offers complete access to WHOIS, IP, DNS, and subdomain data for product enrichment, threat hunting and more.

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FAQ Datafeed files Output format

Output format

...
{"mark":19549440,"isp":"Optus","connectionType":"broadband","country":"AU","region":"New South Wales","city":"Bass Hill","lat":-33.8986,"lng":150.9954,"postalCode":"2197","timezone":"+10:00","geonameId":2176648}
{"mark":19549696,"isp":"Optus","connectionType":"broadband","country":"AU","region":"New South Wales","city":"Terrigal","lat":-33.4482,"lng":151.4467,"postalCode":"2260","timezone":"+10:00","geonameId":2147023}
...

Output parameters

mark
Integer representation of the left border of the range (e.g. 19549440 for 1.42.77.0), this range continues up to 'mark' from next row.
isp
Internet Service Provider
connectionType
Connection type may be one of "modem", "mobile", "broadband", "company".
country
ISO‌-3166 2 letter Country Code (ZZ stands for unknown).
region
Region
city
City
lat
Latitude
lng
Longitude
postalCode
Postal Code
timezone
Timezone in the format "+10:00"
geonameId
Id of location in the GeoNames database. The field is omitted if the record is not found.