new hosts appearing between 2012-09-21_0800 and 2012-09-22_0800:
www.blogspot.co.at              has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.020164)
www.blogspot.com.ar             has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.020181)
www.blogspot.com.br             has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.020024)
www.cdc.gov                     has IPv4 has IPv6 2600:1406::5043:4a96 (ok) (time=0.001248), 2600:1406::5043:4a99 (ok) (time=0.001219)
www.cuni.cz                     has IPv4 has IPv6 2001:718:1e03:622::12 (ok) (time=0.172100)
www.fda.gov                     has IPv4 has IPv6 2600:1406::5043:4a99 (ok) (time=0.001213), 2600:1406::5043:4a96 (ok) (time=0.001089)
www.fnvfox.com                  has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.019756)
www.host.uol.com.br             has IPv4 has IPv6 2804:49c:319:430::326 (ok) (time=0.254247)
www.mail.uol.com.br             has IPv4 has IPv6 2804:49c:319:430::326 (ok) (time=0.266486)
www.musica.uol.com.br           has IPv4 has IPv6 2804:49c:319:430::326 (ok) (time=0.254287)
www.nationsonline.org           has IPv4 has IPv6 2a01:488:42:1000:57e6:2cd4:c5:5e25 (ok) (time=0.170511)
www.roflista.com                has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.020145)
www.softlayer.com               has IPv4 has IPv6 2607:f0d0:1000:11:1::1 (ok) (time=0.040357)
www.udg.mx                      has IPv4 has IPv6 2001:1210:105:1::a (ok) (time=0.179856)
www.usps.com                    has IPv4 has IPv6 2600:1406:1:1:8400::1387 (ok) (time=0.002246), 2600:1406:1:1:8d00::1387 (ok) (time=0.001866)
www.xxl-sale.de                 has IPv4 has IPv6 2a00:1158:0:406:a653::1 (ok) (time=0.164311)

hosts disappearing between 2012-09-21_0800 and 2012-09-22_0800:
mail.ru                         had IPv4 had IPv6 2a00:1148:1:1322::b0ba  
softlayer.com                   had IPv4 had IPv6 2607:f0d0:1000:11:1::4  
www.appspot.com                 had IPv4 had IPv6 2607:f8b0:400e:c02::8d  
www.bestbloggertemplates.net    had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.bestlinkforever.com         had IPv4 had IPv6 2607:f1c0:1000:60c8:cd05:3f46:bd1c:f  
www.big.or.jp                   had IPv4 had IPv6 2001:2e8:621:0:2:1:0:1  
www.blogspot.com.es             had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.blogspot.ro                 had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.dwayir.com                  had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.fefe.de                     had IPv4 had IPv6 2a01:138:b003:3::23  
www.ffinist.blogspot.com        had IPv4 had IPv6 2001:4860:4001:800::100c  
www.iij4u.or.jp                 had IPv4 had IPv6 2001:240:bb81:8500::3:101  
www.letdofun.info               had IPv4 had IPv6 2607:f1c0:1000:6060:7e39:9203:bd1c:4  
www.lolzz.net                   had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.piwik.org                   had IPv4 had IPv6 2001:41d0:8:307b::1  
www.redefilmesonline.net        had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.tecnoautos.com              had IPv4 had IPv6 2400:cb00:2048:1::8d65:7eec  
www.thepiratebay.se             had IPv4 had IPv6 2002:c247:6b96::1