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NIST IPv6 Deployment Monitor and Test System

This is a on-line test and measurement tool that provides continuous test and measurement of the completeness, quality and extent of IPv6 deployment in the Internet.

The system is accessible from any web browser at the following URL:



The system provides a continuous test and measurement of that status of IPv6 deployment in public facing servers in the US Government and industry.    Users adopting IPv6 for the first time on production systems / servers can use this site to see an external test of the interoperability and performance of new IPv6 enabled Internet services.


Created August 15, 2016, Updated April 5, 2022