Output format | Specifications | IP Netblocks WHOIS Database | 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.

Research
Monitoring
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WhoisXML API Predictive Threat Intelligence
Predictive Threat Intelligence

Detect and block access to and from dangerous domain names before malicious actors can weaponize them. 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.

Multi-Level API User Administration Now Available - Manage individual API keys for team members in your organization.

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FAQ Datafeed files Output format CSV structure

Output format

Output parameters

inetnum
E.g. "0.0.0.0 - 255.255.255.255"
inetnumFirst
The first IP as 32 or 128-bit unsigned integer value for regular and IPv6 files respectively, e.g. for 8.8.8.8, it will be 134744072, or 281470816487432
inetnumLast
The last IP as integer value
parent
Available only for the BGP enriched files. A field that is the reference to the block from which the information was borrowed. Its presence indicates that the block was obtained from BGP routing tables.
as

Autonomous System – is null when the data is missing

  • asn - Autonomous System Number
  • name
  • type - Autonomous System type, one of the following: "Cable/DSL/ISP", "Content", "Educational/Research", "Enterprise", "Non-Profit", "Not Disclosed", "NSP", "Route Server". Empty when unknown.
  • route
  • domain
netname
Name of the IPs range
nethandle
ID of the block from ARIN
description []
Description related to the block
modified
When the IP Netblock was modified the last time, accordingly to the information provided by the registry. Format: "2018-05-25T10:20:58Z".
country
2 chars' country code
city
Name of city
address
Location information. May not reflect exact physical location.
abuseContact

List of abuse contacts:

  • id
  • person - name of the contact person
  • role - role of the contact person
  • phone
  • email
  • country
  • city
  • address
adminContact
List of administrative contacts
techContact
List of technical contacts
org

Organisation registered the range:

  • id
  • name
  • phone
  • email
  • country
  • city
  • postalCode
  • address
mntBy

List of maintainers who are able to update the IPs range:

  • id
  • email
mntDomains
List of domains' maintainers
mntLower
List of maintainers who are able to change sub ranges
mntRoutes
List of maintainers of routing info
action
Is present in Daily incremental database only. Specifies modification type: "add", "drop" or "change".
remarks []
Remarks and comments associated with the IP Netblock
source
Source of range