http://www.itmedia.co.jp/news/articles/0806/13/news024.html

資料編：一挙公開！1984年から2008年までのウイルスの数々 http://itpro.nikkeibp.co.jp/article/COLUMN/20080605/306608/

IPy are a Python class and tools for handling of IPv4 and IPv6 addresses and networks. It is similar to Net::IP Perl module. http://software.inl.fr/trac/wiki/IPy