new hosts appearing between 2012-10-17_0800 and 2012-10-18_0800:
mail.ru                         has IPv4 has IPv6 2a00:1148:1:1322::b0ba (ok) (time=0.215210)
ssa.gov                         has IPv4 has IPv6 2001:1930:c00::19 (ok) (time=0.373481)
www.amplitudeof.com             has IPv4 has IPv6 2607:f1c0:1000:60b3:38d3:3d6d:4a37:2 (ok) (time=0.066500)
www.bigpiranha.info             has IPv4 has IPv6 2607:f1c0:1000:6080:d483:7cd2:4673:1 (ok) (time=0.066640)
www.blogspot.com.ar             has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.073765)
www.blogspot.com.es             has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.020217)
www.blogspot.fr                 has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.020501)
www.blogspot.mx                 has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.019727)
www.effortmove.com              has IPv4 has IPv6 2607:f1c0:1000:6066:42dc:63c2:d99:b (ok) (time=0.066465)
www.komputronik.pl              has IPv4 has IPv6 2001:67c:2758:800::41:155 (ok) (time=0.180723)
www.mlfi.info                   has IPv4 has IPv6 2607:f1c0:1000:6007:1928:8a1:bfe0:0 (ok) (time=0.091193)
www.monsterdivx.com             has IPv4 has IPv6 2400:cb00:2048:1::8d65:7e5a (ok) (time=0.001601), 2400:cb00:2048:1::8d65:7c5b (ok) (time=0.002073)
www.mozilla.jp                  has IPv4 has IPv6 2001:200:16a:b::25 (ok) (time=0.134513)
www.revenuewire.com             has IPv4 has IPv6 2001:470:ea83::52 (ok) (time=0.050851)
www.rpi.edu                     has IPv4 has IPv6 2620:0:2820:b0::68 (ok) (time=0.097280), 2620:0:2820:26::112 (ok) (time=0.096768)
www.trkjmp.com                  has IPv4 has IPv6 2406:da00:ff00::1715:3e6e (ok) (time=0.072951)
www.vipdig.com                  has IPv4 has IPv6 2400:cb00:2048:1::c71b:8739 (ok) (time=0.001395), 2400:cb00:2048:1::adf5:3d94 (ok) (time=0.001932)
www.viscositylink.com           has IPv4 has IPv6 2607:f1c0:1000:60eb:e45f:4621:b453:0 (ok) (time=0.091517)
www.xmission.com                has IPv4 has IPv6 2607:fa18:0:3::4 (ok) (time=0.019008)

hosts disappearing between 2012-10-17_0800 and 2012-10-18_0800:
click.uol.com.br                had IPv4 had IPv6 2804:49c:319:430::181  
www.apkfullapps.com             had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.blog.uol.com.br             had IPv4 had IPv6 2804:49c:319:430::326  
www.blogprojekt.de              had IPv4 had IPv6 2a00:1158:0:406:4db2::1  
www.crn.com                     had IPv4 had IPv6 2620:103::192:155:48:104  
www.fefe.de                     had IPv4 had IPv6 2a01:138:b003:3::23  
www.google.ge                   had IPv4 had IPv6 2001:4860:4001:802::1018  
www.googlecode.com              had IPv4 had IPv6 2607:f8b0:400e:c02::52  
www.hsw.uol.com.br              had IPv4 had IPv6 2804:49c:319:430::318  
www.hungrygowhere.com           had IPv4 had IPv6 2400:6500:ff00::36fb:28d5  
www.kohanaframework.org         had IPv4 had IPv6 2400:cb00:2048:1::adf5:3d29  
www.lowyat.net                  had IPv4 had IPv6 2401:3400:2000:1::17  
www.oxe7.com                    had IPv4 had IPv6 2400:cb00:2048:1::8d65:7e7b  
www.sixsistersstuff.com         had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.ssa.gov                     had IPv4 had IPv6 2001:1930:e03::aaaa  
www.wikiversity.org             had IPv4 had IPv6 2620:0:861:ed1a::7  
www.zonafranca.mx               had IPv4 had IPv6 2400:cb00:2048:1::c71b:8665