new hosts appearing between 2010-02-15 and 2010-02-22:
www.itu.int
www.mhlw.go.jp
www.monash.edu.au
www.nixcraft.com

hosts disappearing between 2010-02-15 and 2010-02-22:
www.debian-administration.org
www.gov.hk
www.univie.ac.at