CERT IPA September 1, 2011 • Software CERT IPA is an IP address annotation system that provides a repository of IP address information and related tools for accessing the data. Publisher Software Engineering Institute Topic or Tag Cybersecurity Security Vulnerabilities Software Engineering And Information Assurance Abstract CERT IPA is an IP address annotation system that provides a flexible and efficient repository of IP address information, tools for querying and maintaining the data, and shared libraries and modules for data access. SHARE