Robtex

Up: 72.20.26.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.20.26.0/25
Down right: 72.20.26.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.20.26.3	PTR
72.20.26.5	PTR
72.20.26.5	A	desperion.ru
72.20.26.5	A	la2.desperion.ru
72.20.26.7	PTR
72.20.26.9	PTR
72.20.26.12	PTR
72.20.26.29	PTR
72.20.26.35	PTR
72.20.26.53	A	live.sixtel.net
72.20.26.113	PTR
72.20.26.113	A	consumerline.in
72.20.26.114	PTR
72.20.26.114	A	incomus.com
72.20.26.114	A	mail2.incomus.com
72.20.26.115	PTR
72.20.26.115	A	blog.yadsi.in
72.20.26.115	A	adobe-dns-2.yadsi.in
72.20.26.116	PTR
72.20.26.116	A	compalog.com
72.20.26.116	A	spambat.com
72.20.26.117	PTR
72.20.26.117	A	www.extcity.com
72.20.26.117	A	extcity.com
72.20.26.118	PTR
72.20.26.118	A	*.complaintboard.in
72.20.26.118	A	www.complaintboard.in
72.20.26.121	PTR
72.20.26.121	A	mail.myfitbot.com
72.20.26.121	A	myfitbot.com
72.20.26.122	PTR
72.20.26.122	A	bikiniday.com
72.20.26.122	A	newmusicspy.com
72.20.26.125	PTR
72.20.26.125	A	drmechanix.com
72.20.26.125	A	drmechanics.com
72.20.26.126	PTR	www.staminus.net
72.20.26.132	PTR
72.20.26.153	A	support.from.nakedadmin.net
72.20.26.176	PTR
72.20.26.191	PTR
72.20.26.203	PTR
72.20.26.209	A	ns2.dragonz-world.com
72.20.26.214	A	ns1.dragonz-world.com
72.20.26.218	PTR
72.20.26.218	A	ns2.theidshop.com
72.20.26.225	PTR
72.20.26.237	PTR	s7.koddos.com
72.20.26.241	A+PTR	box2.ddoshostingsolutions.com
72.20.26.241	A	mail.hunafa.com
72.20.26.241	A	mail.megasecurity.org
72.20.26.244	PTR
72.20.26.247	PTR	72.20.26.247.staminus.net
72.20.26.251	A	browsgroup.com