new hosts appearing between 2013-01-20_0800 and 2013-01-21_0800:
ppy.sh                          has IPv4 has IPv6 2400:cb00:2048:1::6ca2:cc5e (ok) (time=0.002090), 2400:cb00:2048:1::6ca2:cb5e (ok) (time=0.017561)
stablehost.com                  has IPv4 has IPv6 2607:f7a0:6:5::da6a:b8b6 (ok) (time=0.133844)
www.3.dk                        has IPv4 has IPv6 2a00:1c50:2003::1141:1 (ok) (time=0.192503)
www.airtel.in                   has IPv4 has IPv6 2404:a800:ff00:1::101 (ok) (time=0.323279)
www.benthell.info               has IPv4 has IPv6 2607:f1c0:1000:6092:dc58:a96f:dab5:21 (ok) (time=0.065832)
www.bloggingehow.com            has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.020047)
www.blogspot.be                 has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.022776)
www.blogspot.ro                 has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.020429)
www.forumprofi.de               has IPv4 has IPv6 2001:1bc0:af::b1 (ok) (time=0.156995)
www.freebulklinks.com           has IPv4 has IPv6 2607:f1c0:1000:60b8:8a2d:3e8e:bb4d:10 (ok) (time=0.066993)
www.googleartproject.com        has IPv4 has IPv6 2001:4860:4001:802::100e (ok) (time=0.002079)
www.niebezpiecznik.pl           has IPv4 has IPv6 2400:cb00:2048:1::8d65:74a4 (ok) (time=0.001126), 2400:cb00:2048:1::8d65:75a4 (ok) (time=0.001774)
www.nonews-news.blogspot.gr     has IPv4 has IPv6 2001:4860:4001:802::100b (ok) (time=0.002012)
www.online-filmer.blogspot.gr   has IPv4 has IPv6 2001:4860:4001:802::100b (ok) (time=0.001609)
www.rkmania.me                  has IPv4 has IPv6 2400:cb00:2048:1::6ca2:c5c0 (ok) (time=0.001368), 2400:cb00:2048:1::6ca2:c4c0 (ok) (time=0.001875)
www.ruzzle-game.com             has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.019709)
www.spele.nl                    has IPv4 has IPv6 2400:cb00:2048:1::be5d:ff35 (ok) (time=0.001689), 2400:cb00:2048:1::be5d:fe35 (ok) (time=0.002681)
www.wikiversity.org             has IPv4 has IPv6 2620:0:861:ed1a::7 (ok) (time=0.072531)
www.xl.co.id                    has IPv4 has IPv6 2400:9800:0:220::1 (ok) (time=0.226280)

hosts disappearing between 2013-01-20_0800 and 2013-01-21_0800:
www.blogspot.co.uk              had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.blogspot.com.au             had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.blogspot.com.es             had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.blogspot.it                 had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.blogspot.se                 had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.classifiedsandseo.com       had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.gilaping.com                had IPv4 had IPv6 2400:cb00:2048:1::6ca2:c41e  
www.juniper.net                 had IPv4 had IPv6 2600:1406:1a:19f::720  
www.moj.go.jp                   had IPv4 had IPv6 2403:7a00:1100:2::e0:1  
www.monsterdivx.com             had IPv4 had IPv6 2400:cb00:2048:1::6ca2:cd37  
www.pirateparty.org.uk          had IPv4 had IPv6 2a01:7b8:2011:b9d5::7a9:adab  
www.sbazar.cz                   had IPv4 had IPv6 2a02:598:2::56