Domainers can make informed and wise business decisions by backing up their research with DomainIndex.com’s WHOIS Database Download.
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IP Ninja is described as 'Advanced intelligence API providing enriched Reverse IP lookups, comprehensive WHOIS parsing, and historical network data for security professionals' and is an website in the development category. There are more than 10 alternatives to IP Ninja, not only websites but also apps for Windows, Self-Hosted and SaaS. The best IP Ninja alternative is IPCheckly. It's not free, so if you're looking for a free alternative, you could try ip.me or DomainTools. Other great sites and apps similar to IP Ninja are WhoisAPI, Active Whois Browser, Whoisology and EZwhois.
Domainers can make informed and wise business decisions by backing up their research with DomainIndex.com’s WHOIS Database Download.
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