new hosts appearing between 2012-02-01_0800 and 2012-02-02_0800:
tataindicombroadband.in         has IPv4 59.163.6.33 has IPv6 2403:0:0:24::17 (ok)
www.ba.no                       has IPv4 87.238.54.252, 87.238.54.253 has IPv6 2a02:c0:1011::234 (ok)
www.ed.gov                      has IPv4 66.179.8.38 has IPv6 2604:b300:ad02:1::4a54:db99 (ok)
www.hancinema.net               has IPv4 141.101.126.99, 141.101.125.99 has IPv6 2400:cb00:2048:1::8d65:7e63 (ok), 2400:cb00:2048:1::8d65:7d63 (ok)
www.pix-geeks.com               has IPv4 173.245.60.42, 173.245.60.117 has IPv6 2400:cb00:2048:1::adf5:3c2a (ok), 2400:cb00:2048:1::adf5:3c75 (ok)
www.sch.gr                      has IPv4 194.63.238.40 has IPv6 2001:648:2302:fd00:203:baff:fed2:cd07 (ok)
www.sitesketch101.com           has IPv4 199.27.135.16, 173.245.60.82 has IPv6 2400:cb00:2048:1::c71b:8710 (ok), 2400:cb00:2048:1::adf5:3c52 (ok)
www.softlayer.com               has IPv4 66.228.118.51 has IPv6 2607:f0d0:1000:11:1::1 (ok)
www.timeweb.ru                  has IPv4 92.53.113.222 has IPv6 2a03:6f00:1::5c35:71de (ok)
www.ui.ac.id                    has IPv4 152.118.24.142 has IPv6 2403:da00:1:3::8e (ok)
www.xl.co.id                    has IPv4 202.152.224.82 has IPv6 2400:9800:0:220::1 (ok)

hosts disappearing between 2012-02-01_0800 and 2012-02-02_0800:
m-cocolog.jp                    had IPv4 202.248.175.212 had IPv6 2001:258:8602:351:202:248:175:185 
www.big.or.jp                   had IPv4 183.181.7.1 had IPv6 2001:2e8:621:0:2:1:0:1