new hosts appearing between 2012-02-13_0800 and 2012-02-14_0800:
olhardigital.uol.com.br         has IPv4 200.147.32.120, 200.147.32.121, 200.147.0.120, 200.147.0.121 has IPv6 2804:49c:319:430::318 (ok)
www.auone-net.jp                has IPv4 61.200.220.185 has IPv6 2001:268:fa01:b03::8 (ok), 2001:268:fa01:b04::8 (ok)
www.indiangirlsclub.com         has IPv4 199.27.134.40, 173.245.60.114 has IPv6 2400:cb00:2048:1::adf5:3c72 (ok), 2400:cb00:2048:1::c71b:8628 (ok)
www.lankacnews.com              has IPv4 199.27.134.42, 173.245.60.118 has IPv6 2400:cb00:2048:1::adf5:3c76 (ok), 2400:cb00:2048:1::c71b:862a (ok)
www.mais.uol.com.br             has IPv4 200.147.3.199, 200.147.35.224 has IPv6 2804:49c:319:430::326 (ok)
www.masterhost.ru               has IPv4 90.156.219.61, 90.156.219.62 has IPv6 2a00:15f8:a000:4:1::80 (ok), 2a00:15f8:a000:4:2::80 (ok)
www.mikrotik.com                has IPv4 159.148.147.196 has IPv6 2a02:610:7501:1000::2 (ok)
www.musica.uol.com.br           has IPv4 200.147.3.199, 200.147.35.224 has IPv6 2804:49c:319:430::326 (ok)
www.nn.iij4u.or.jp              has IPv4 210.138.74.172 has IPv6 2001:240:bb41:8014::166 (ok)
www.nyu.edu                     has IPv4 128.122.108.71 has IPv6 2607:f600:8002:1::7 (ok)
www.sitesketch101.com           has IPv4 199.27.135.40, 173.245.61.114 has IPv6 2400:cb00:2048:1::c71b:8728 (ok), 2400:cb00:2048:1::adf5:3d72 (ok)
www.tecnologia.uol.com.br       has IPv4 200.147.35.224, 200.147.3.199 has IPv6 2804:49c:319:430::326 (ok)

hosts disappearing between 2012-02-13_0800 and 2012-02-14_0800:
www.bandaancha.eu               had IPv4 89.248.106.100 had IPv6 2a00:1380:0:718::100 
www.cheggit.nl                  had IPv4 62.133.205.10 had IPv6 2001:4128:6135:2003:20f:20ff:fe32:cae2 
www.ig.com.br                   had IPv4 187.31.64.25 had IPv6 2804:13c:0:aaaa:187:31:64:25 
www.iphon.fr                    had IPv4 217.70.184.34 had IPv6 2001:4b98:b:a::b109 
www.kennstdueinen.de            had IPv4 80.67.27.48 had IPv6 2a00:1158:0:402:bd8a::1 
www.liu.se                      had IPv4 130.236.5.148 had IPv6 2001:6b0:17:f005::148 
www.locaweb.com.br              had IPv4 186.202.9.2 had IPv6 2804:218:0:2000::10ca:3eb 
www.mybroadband.co.za           had IPv4 41.203.21.137 had IPv6 2001:43e8:64::29cb:1589 
www.nctu.edu.tw                 had IPv4 140.113.40.35, 140.113.41.8, 140.114.60.211 had IPv6 2001:f18:113:41::8 (failed), 2001:f18:113:40::35 
www.pix-geeks.com               had IPv4 173.245.60.42, 173.245.60.117 had IPv6 2400:cb00:2048:1::adf5:3c75 , 2400:cb00:2048:1::adf5:3c2a 
www.streamtheworld.com          had IPv4 208.80.55.200 had IPv6 2002:d050:37c8::1 
www.thetechjournal.com          had IPv4 141.101.124.134, 141.101.125.134 had IPv6 2400:cb00:2048:1::8d65:7d86 , 2400:cb00:2048:1::8d65:7c86