new hosts appearing between 2012-02-12_0800 and 2012-02-13_0800:
www.hinet.net                   has IPv4 202.39.224.7 has IPv6 2001:b000:180:3::7 (ok)
www.lima-city.de                has IPv4 212.83.45.135 has IPv6 2a00:f48:2000:affe::49 (ok)
www.mtv.uol.com.br              has IPv4 200.147.3.199, 200.147.35.224 has IPv6 2804:49c:319:430::326 (ok)
www.tdc.dk                      has IPv4 213.174.68.45 has IPv6 2a02:108:301:3::10 (ok)

hosts disappearing between 2012-02-12_0800 and 2012-02-13_0800:
kibeloco.com.br                 had IPv4 186.192.90.5 had IPv6 2804:294:4000:8000::5 
www.6theory.com                 had IPv4 67.228.171.85 had IPv6 2607:f0d0:1004:93:0:101:b4b0:85 
www.adslgr.com                  had IPv4 173.45.101.34 had IPv6 2001:1828:0:6::2 
www.auone-net.jp                had IPv4 61.200.220.185 had IPv6 2001:268:fa01:b04::8 , 2001:268:fa01:b03::8 
www.boardingarea.com            had IPv4 50.16.231.245 had IPv6 2406:da00:ff00::3210:e7f5 
www.masterhost.ru               had IPv4 90.156.219.62, 90.156.219.61 had IPv6 2a00:15f8:a000:4:2::80 , 2a00:15f8:a000:4:1::80 
www.mikrotik.com                had IPv4 159.148.147.196 had IPv6 2a02:610:7501:1000::2 
www.nextseo.fr                  had IPv4 213.186.33.19 had IPv6 2001:41d0:1:1b00:213:186:33:19 
www.nyu.edu                     had IPv4 128.122.108.71 had IPv6 2607:f600:8002:1::7 
www.softlayer.com               had IPv4 66.228.118.51 had IPv6 2607:f0d0:1000:11:1::1 
www.webair.com                  had IPv4 209.200.29.36 had IPv6 2604:9e00:1:106::23