new hosts appearing between 2013-02-20_0800 and 2013-02-21_0800:
ce.gov.br                       has IPv4 has IPv6 2801:80:60:dc:cea4:a:164:186 (ok) (time=0.276421)
mail.ru                         has IPv4 has IPv6 2a00:1148:1:1322::b0ba (ok) (time=0.211008)
www.9lessons.info               has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.020106)
www.allgamesbeta.com            has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.020464)
www.blogspot.com.ar             has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.019744)
www.blogspot.com.au             has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.020343)
www.blogspot.it                 has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.019989)
www.gov.hk                      has IPv4 has IPv6 2406:0:6a:8001::212 (ok) (time=0.169276)
www.imperial.ac.uk              has IPv4 has IPv6 2001:630:12:600:1::107 (ok) (time=0.157787)
www.indiafreestuff.in           has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.020092)
www.mtsindia.in                 has IPv4 has IPv6 2406:5600:9:300::80 (ok) (time=0.342690)
www.novell.com                  has IPv4 has IPv6 2600:806:310::102 (ok) (time=0.352508)
www.softigloo.com               has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.020460)
www.treasury.gov                has IPv4 has IPv6 2001:418:8404:7::a5fe:2ae1 (ok) (time=0.002248), 2001:418:8404:7::a5fe:2adb (ok) (time=0.002115)
www.yogscast.com                has IPv4 has IPv6 2a01:4f8:141:2223::2 (ok) (time=0.168399)

hosts disappearing between 2013-02-20_0800 and 2013-02-21_0800:
www.amaduras.com                had IPv4 had IPv6 2a00:1d70:c01c::110:30  
www.bagas31.com                 had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.besuconas.com               had IPv4 had IPv6 2a00:1d70:c01c::111:43  
www.canadanepalvid.com          had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.elseptimoarte.net           had IPv4 had IPv6 2001:41d0:1:1b00:87:98:231:17  
www.funimation.com              had IPv4 had IPv6 2400:cb00:2048:1::be5d:f2d5  
www.gossip9.com                 had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.ikeahackers.net             had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.peliculon.org               had IPv4 had IPv6 2a00:1d70:c01c::110:105  
www.thetvdb.com                 had IPv4 had IPv6 2400:cb00:2048:1::be5d:f120  
www.uberhumor.com               had IPv4 had IPv6 2400:cb00:2048:1::6ca2:c677  
www.webhatti.com                had IPv4 had IPv6 2607:f8b0:400e:c02::79