new hosts appearing between 2012-09-20_0800 and 2012-09-21_0800:
softlayer.com                   has IPv4 has IPv6 2607:f0d0:1000:11:1::4 (ok) (time=0.040626)
www.appspot.com                 has IPv4 has IPv6 2607:f8b0:400e:c02::8d (ok) (time=0.020428)
www.attualissimo.it             has IPv4 has IPv6 2400:cb00:2048:1::c71b:86aa (ok) (time=0.001263), 2400:cb00:2048:1::8d65:7eaa (ok) (time=0.001613)
www.bestlinkforever.com         has IPv4 has IPv6 2607:f1c0:1000:60c8:cd05:3f46:bd1c:f (ok) (time=0.066968)
www.big.or.jp                   has IPv4 has IPv6 2001:2e8:621:0:2:1:0:1 (ok) (time=0.107289)
www.blogspot.com.au             has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.019777)
www.blogspot.gr                 has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.019784)
www.cinema.uol.com.br           has IPv4 has IPv6 2804:49c:319:430::326 (ok) (time=0.250936)
www.cogradient.com              has IPv4 has IPv6 2607:f1c0:1000:6021:d5fc:e148:f4a6:17 (ok) (time=0.066378)
www.fudan.edu.cn                has IPv4 has IPv6 2001:da8:8001:2:21e:c9ff:feb5:eace (ok) (time=0.273629)
www.googleapps.com              has IPv4 has IPv6 2001:4860:4001:800::1000 (ok) (time=0.001595)
www.iij4u.or.jp                 has IPv4 has IPv6 2001:240:bb81:8500::3:101 (ok) (time=0.109446)
www.iphon.fr                    has IPv4 has IPv6 2001:4b98:b:a::b109 (ok) (time=0.173468)
www.letdofun.info               has IPv4 has IPv6 2607:f1c0:1000:6060:7e39:9203:bd1c:4 (ok) (time=0.066148)
www.mobile.de                   has IPv4 has IPv6 2001:67c:2d0:4200::25 (ok) (time=0.175541)
www.mozilla.org                 has IPv4 has IPv6 2620:101:8008:5::2:1 (ok) (time=0.023613)
www.ruhr-uni-bochum.de          has IPv4 has IPv6 2001:638:50c:5::64:11 (ok) (time=0.181648)
www.rule34.xxx                  has IPv4 has IPv6 2400:cb00:2048:1::8d65:7dd2 (ok) (time=0.001219), 2400:cb00:2048:1::8d65:7cd2 (ok) (time=0.002495)
www.skullhead.info              has IPv4 has IPv6 2607:f1c0:1000:609c:d1a1:1caa:11cb:8 (ok) (time=0.091490)
www.slimxenon.com               has IPv4 has IPv6 2607:f1c0:1000:60d1:431a:7b64:5fd9:6 (ok) (time=0.066511)
www.tecnoautos.com              has IPv4 has IPv6 2400:cb00:2048:1::8d65:7eec (ok) (time=0.001602), 2400:cb00:2048:1::c71b:86ec (ok) (time=0.001984)
www.toaca.info                  has IPv4 has IPv6 2607:f1c0:1000:609c:5933:d24:9e98:2 (ok) (time=6.293918)
www.typo3forum.net              has IPv4 has IPv6 2a00:1158:0:404:c7bf::1 (ok) (time=0.169475)
www.usconsulate.gov             has IPv4 has IPv6 2001:428:d400:4:72:166:186:160 (ok) (time=0.098249)
www.usgs.gov                    has IPv4 has IPv6 2001:49c8:4000:140c::42 (ok) (time=0.109978), 2001:49c8:4000:140c::43 (ok) (time=0.109002), 2001:49c8:0:124c::90 (ok) (time=0.096658), 2001:49c8:0:124c::91 (ok) (time=0.103738)

hosts disappearing between 2012-09-20_0800 and 2012-09-21_0800:
flashgames.ru                   had IPv4 had IPv6 2001:4c08:2005::6  
mobile.de                       had IPv4 had IPv6 2001:67c:2d0:4200::25  
mozilla.org                     had IPv4 had IPv6 2620:101:8008:5::2:1  
olimpiadas.uol.com.br           had IPv4 had IPv6 2804:49c:319:430::319  
www.ba.no                       had IPv4 had IPv6 2a02:c0:1011::54:252  
www.bitcoincharts.com           had IPv4 had IPv6 2a01:4f8:151:13c3::2  
www.blogspot.com.ar             had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.blogspot.fr                 had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.host.uol.com.br             had IPv4 had IPv6 2804:49c:319:430::326  
www.kimchidramas.net            had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.mail.uol.com.br             had IPv4 had IPv6 2804:49c:319:430::326  
www.softlayer.com               had IPv4 had IPv6 2607:f0d0:1000:11:1::1  
www.stc.com.sa                  had IPv4 had IPv6 2001:16a0:6000:3::4