The ultimate online investigation tool

Examples: verizon - google.com - - 2620:0:2d0:200::8 - as40528

What We Offer

Find out everything about a domain name, IP address or provider. Discover relations between them and see historical data. Use it for your digital investigation, fraud prevention or brand protection.

Try our tools or online reports.

build Tools explore IPv4 Report explore IPv6 Report storage AS/BGP Report

Premium Services

Premium website access is for the IT professional. You get more page views, alerts, data and premium features. Month and year plans available. Our premium API enables programmable access to our data and tools.

Select your service.

web Website Access code API

Our Statistics


330+ million
active domains


60+ million
mail servers


7+ million
name servers


8+ billion
change events


1+ billion
active subdomains

Why Choose US?

doneIP/DNS data refreshed every 30 days

doneNew domains added daily

doneAll tools and reports are IPv6 ready

doneFlexible subscriptions available

doneCustom data exports

Browser Addons and Apps

extensionView our data inside your browser with our popular browser extensions.