Master WhoIs

One-stop shopping for IP address and domain information
by Brad Berson, Rectaltronics, Inc.

* InterNIC WhoIs   
* ARIN (IP) WhoIs  
* Mil/DoD WhoIs    
* Government WhoIs 
* European WhoIs   
* Pacific WhoIs    

Type the information you wish to look up in the appropriate field and press the corresponding Submit button.  A new browser window should then open for the return information.

Instructions and Links for Non-Javascript Browsers

InterNIC ( searches for mostly North-American non-goverment and non-military domain names and related information.

ARIN ( is the American Registry for Internet Numbers (IP addresses).

US Military NIC ( finds all kinds of US Department of Defense resources (*.mil, etc).  Their own WhoIs page provides much more flexibility if you know exactly what you're looking for.

US Government NIC ( finds US Government (*.gov, etc) resources (domains, e-mail, POC's), and is managed by the General Services Administration.

RIPE ( is the "Reseaux IP Europeens" or Regional Internet Registry for Europe.

APNIC ( is the Asia-Pacific Network Information Center, and maintains IP address allocations for that region.



Entire contents Copyright (C) 1994-2015 Brad Berson and Bytebrothers Internet ServicesAnim Plug
Page updated February 12, 2009.  See Terms and Conditions of use!