new hosts appearing between 2012-12-19_0800 and 2012-12-20_0800:
www.bestlinkforever.com         has IPv4 has IPv6 2607:f1c0:1000:60c8:cd05:3f46:bd1c:f (ok) (time=0.065704)
www.blogspot.com.ar             has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.020289)
www.blogspot.com.br             has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.030452)
www.blogspot.se                 has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.019661)
www.ceriwis.com                 has IPv4 has IPv6 2400:cb00:2048:1::6ca2:c9b3 (ok) (time=0.001497), 2400:cb00:2048:1::6ca2:c8b3 (ok) (time=0.001981)
www.chopsteel.com               has IPv4 has IPv6 2607:f1c0:1000:600a:df6:6e24:23ab:5 (ok) (time=0.065769)
www.cpf.gov.sg                  has IPv4 has IPv6 2001:df0:300:b:103:8:212:14 (ok) (time=0.215602)
www.crocodilenail.info          has IPv4 has IPv6 2607:f1c0:1000:6007:6a32:3b0d:bfe0:6 (ok) (time=0.066464)
www.cyclestroke.com             has IPv4 has IPv6 2607:f1c0:1000:608c:837a:ed37:ff81:16 (ok) (time=0.065859)
www.dream.jp                    has IPv4 has IPv6 2001:2e8:22:13::103 (ok) (time=0.127992)
www.googleplex.com              has IPv4 has IPv6 2607:f8b0:400e:c02::51 (ok) (time=0.020401)
www.m-strana.com                has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.019827)
www.mext.go.jp                  has IPv4 has IPv6 2001:240:165:1::211 (ok) (time=0.108607)
www.phnoy.com                   has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.019729)
www.telmex.com                  has IPv4 has IPv6 2806:1080:101::1a (ok) (time=0.054754)
www.uib.no                      has IPv4 has IPv6 2001:700:200:6::60 (ok) (time=0.182361)

hosts disappearing between 2012-12-19_0800 and 2012-12-20_0800:
atw.hu                          had IPv4 had IPv6 2a01:270::5  
mail.ru                         had IPv4 had IPv6 2a00:1148:1:1322::b0ba  
www.blogspot.pt                 had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.broadbandforum.in           had IPv4 had IPv6 2400:cb00:2048:1::6ca2:c540  
www.epa.gov                     had IPv4 had IPv6 2620:0:b12:51:134:67:21:34  
www.financialexpress.com        had IPv4 had IPv6 2607:f4e8:110:12::fffe  
www.handbrake.fr                had IPv4 had IPv6 2001:41d0:1:aa81:3::1  
www.indianexpress.com           had IPv4 had IPv6 2607:f4e8:110:12::fffd  
www.indiavisiontv.com           had IPv4 had IPv6 2607:f4e8:110:12::fffe  
www.kinghost.com.br             had IPv4 had IPv6 2804:10:5::88:18  
www.kinghost.net                had IPv4 had IPv6 2804:10:5::81:20  
www.ncix.com                    had IPv4 had IPv6 2607:f4e8:110:12::fffd  
www.niksgaur.com                had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.rkmania.me                  had IPv4 had IPv6 2400:cb00:2048:1::6ca2:c250  
www.tournamentsoftware.com      had IPv4 had IPv6 2001:888:2000:76::146  
www.viscositylink.com           had IPv4 had IPv6 2607:f1c0:1000:60eb:e45f:4621:b453:0  
www.wikiversity.org             had IPv4 had IPv6 2620:0:861:ed1a::7  
www.xbox.com                    had IPv4 had IPv6 2607:f4e8:110:104:230:48ff:fe8b:87f8