new hosts appearing between 2013-02-12_0800 and 2013-02-13_0800:
m-cocolog.jp                    has IPv4 has IPv6 2001:258:8602:351:202:248:175:185 (ok) (time=0.113559)
mail.ru                         has IPv4 has IPv6 2a00:1148:1:1322::b0ba (ok) (time=0.201402)
www.bitcoincharts.com           has IPv4 has IPv6 2a01:4f8:151:13c3::2 (ok) (time=0.168675)
www.blogspot.com.ar             has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.020055)
www.blogspot.in                 has IPv4 has IPv6 2607:f8b0:400e:c02::bf (ok) (time=0.020124)
www.cbp.gov                     has IPv4 has IPv6 2610:20:1085:e238::6 (ok) (time=0.093332)
www.gossamer-threads.com        has IPv4 has IPv6 2607:fcc0:2:1:208:70:244:21 (ok) (time=0.032815)
www.gripinich.blogspot.com      has IPv4 has IPv6 2001:4860:4001:802::100a (ok) (time=0.002802)
www.gva.be                      has IPv4 has IPv6 2a02:1802:0:490::56 (ok) (time=0.166714)
www.helperblogger.com           has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.020402)
www.lakbima.lk                  has IPv4 has IPv6 2607:f208:700:1::1 (ok) (time=0.052334), 2607:f208:701:1::1 (ok) (time=0.051129)
www.lankaalert.com              has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.020107)
www.sannet.ne.jp                has IPv4 has IPv6 2405:0:21:927::80:13 (ok) (time=0.108007), 2405:0:21:926::80:10 (ok) (time=0.109300), 2405:0:21:926::80:12 (ok) (time=0.117493), 2405:0:21:927::80:11 (ok) (time=0.122727)
www.stc.com.sa                  has IPv4 has IPv6 2001:16a0:6000:3::4 (ok) (time=0.225346)
www.thaqf-nfsk.com              has IPv4 has IPv6 2607:f8b0:400e:c02::79 (ok) (time=0.019682)
www.userapi.com                 has IPv4 has IPv6 2a00:bdc0:0:1:1::3 (ok) (time=0.184870)

hosts disappearing between 2013-02-12_0800 and 2013-02-13_0800:
www.abreeder.com                had IPv4 had IPv6 2607:f1c0:1000:609c:9495:b979:acf7:1  
www.anytimelinks.com            had IPv4 had IPv6 2607:f1c0:1000:60a7:a0be:9fc2:f12e:0  
www.autobazar.eu                had IPv4 had IPv6 2a01:390:1:1::ab  
www.baiscopelk.com              had IPv4 had IPv6 2400:cb00:2048:1::6ca2:c51d  
www.blogspot.co.uk              had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.blogspot.ro                 had IPv4 had IPv6 2607:f8b0:400e:c02::bf  
www.google.com.pa               had IPv4 had IPv6 2001:4860:4001:802::101f  
www.google.com.tj               had IPv4 had IPv6 2001:4860:4001:802::1017  
www.heavy-r.com                 had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.mnbtv.net                   had IPv4 had IPv6 2607:f8b0:400e:c02::79  
www.web-dorado.com              had IPv4 had IPv6 2607:f208:700:1::1