Find out which IP range the particular IP belongs to, along with ownership information by using the world’s largest constantly updated database with billions of existing records.Get started
1,000 free requests monthly. No credit card required.
Just take an IP address, Company name, or ASN to make a quick review on the IP range that a given IP address belongs to IP netblock borders, last update, country code, organization name, abuse history, admin and tech contact information, ASN (Autonomous System Number) and more.
With one API call get detailed information about the IP range a particular IP belongs to. Protect your site and your network from spam, fraud, hackers and malicious attacks. Promptly identify and block suspicious IPs before they can cause any actual damage to your network.
We provide daily updated database of the registered IP Netblocks (IP ranges) with detailed ownership information regarding each range in unified and consistent JSON or CSV formats.
Threat investigation and an essential component of any network security solution. Having IPs collected from your or your clients’ firewall logs, you can identify the networks where they have come from as well as their owners.
Trace malicious actors with contact & location details for the IP netblock.
By collecting IPs from your web server’s log and supplementing them with IP Netblocks whois data, you obtain a data set from which you can deduce the structure and dynamics of your traffic. Such information can have significant marketing implications, e.g. from which networks you are visited most frequently.
Having a network you can possibly be interested in extending, by purchasing neighboring netblocks or find other free blocks for purchase.
Provide access to your clients via network filtering (e.g. a software license or a journal subscription), you can identify their networks from netblocks data.
Monitor your brand’s trademark or copyright and notify you of infringement when they are used on fraudulent network.
Address various interesting scientific research problems based on the observation of the structure and dynamics of netblocks.
Enrich indicators of compromise (IoCs) within Threat Intelligence Platform, SIEMs with IP netblocks WHOIS data.
Map visitor ip addresses to organizations to gain insights and provide personalized experience to visitors.
API access through WhoisXMLAPI can be purchased as an annual subscription. The access pricing is based on the number of queries, which is measured monthly with per-minute rate limits. The pricing structure gives predictability to business planning and solution architecture.Learn more
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