new hosts appearing between 2013-02-21_0800 and 2013-02-22_0800:
www.blogdelnarco.com            has IPv4 has IPv6 2400:cb00:2048:1::6ca2:cd49 (ok) (time=0.001945), 2400:cb00:2048:1::6ca2:ce49 (ok) (time=0.001493)
www.mhlw.go.jp                  has IPv4 has IPv6 2001:380:515:1:0:11:a1d:465 (ok) (time=0.125940), 2001:380:515:1:0:12:a1d:465 (ok) (time=0.153283)
www.oneindia.in                 has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.019598)
www.uberhumor.com               has IPv4 has IPv6 2400:cb00:2048:1::6ca2:c777 (ok) (time=0.001490), 2400:cb00:2048:1::6ca2:c677 (ok) (time=0.002145)

hosts disappearing between 2013-02-21_0800 and 2013-02-22_0800:
engageforagencies.com           had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.indiafreestuff.in           had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.th3professional.com         had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.usp.br                      had IPv4 had IPv6 2001:12d0:0:126::183:244  
www.yandex.com                  had IPv4 had IPv6 2a02:6b8:0:3030::3  
www.youtube.com                 had IPv4 had IPv6 2607:f8b0:400e:c01::5d