Robtex

Up: 80.72.72.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 80.72.72.128/26
Down right: 80.72.72.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.72.72.130	PTR	80.72.72.130.ipacct.bg
80.72.72.149	PTR	dvr.netpolice.netvisio.net
80.72.72.149	A	mail.jeckyll.net
80.72.72.169	PTR	80.72.72.169.ipacct.bg
80.72.72.170	PTR	80.72.72.170.ipacct.bg
80.72.72.204	PTR	80.72.72.204.ipacct.bg
80.72.72.204	A	r1.sn-p25jju-nv4l.googlevideo.com
80.72.72.205	PTR	80.72.72.205.ipacct.bg
80.72.72.205	A	r2.sn-p25jju-nv4l.googlevideo.com
80.72.72.206	PTR	80.72.72.206.ipacct.bg
80.72.72.206	A	r3.sn-p25jju-nv4l.googlevideo.com
80.72.72.226	A+PTR	mx2.digytaleco.net
80.72.72.227	PTR	web.digytaleco.net
80.72.72.227	A	lesson2me.com
80.72.72.227	A	makehouse.eu
80.72.72.229	PTR	229.digytaleco.net
80.72.72.229	A	ns1.digytaleco.net
80.72.72.232	PTR	232.digytaleco.net
80.72.72.232	A	digytaleco.net
80.72.72.232	A	www.sex-woman-free.eu
80.72.72.237	PTR	237.digytaleco.net
80.72.72.237	A	ns2.digytaleco.net