hostmap version 0.2

hostmap is a free, automatic, hostnames and virtual hosts discovery tool
written in Ruby and licensed under GNU General Public License version 3
(GPLv3). It's goal is to enumerate all hostnames and configured virtual
hosts on an IP address. The primary users of hostmap are professionals
performing vulnerability assessments and penetration tests.

http://hostmap.sourceforge.net/doc/Changelog.txt.
イェット・アナザー・ペネトレーション・テスターって感じ．