Robtex

Up: 72.52.10.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.52.11.0/25
Down right: 72.52.11.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.52.11.5	PTR	unknown.prolexic.com
72.52.11.5	A	a1628.net
72.52.11.5	A	ruibo666.net
72.52.11.7	PTR	unknown.prolexic.com
72.52.11.8	PTR	unknown.prolexic.com
72.52.11.23	PTR	a72-52-11-23.deploy.static.akamaitechnologies.com
72.52.11.23	A	m.mac.paltalk.com
72.52.11.23	A	rtising.paltalk.com
72.52.11.38	PTR	unknown.prolexic.com
72.52.11.68	PTR	unknown.prolexic.com
72.52.11.88	PTR	unknown.prolexic.com
72.52.11.88	A	www.ensoa.terre.defense.gouv.fr
72.52.11.88	A	www.base-aerienne-orange.com
72.52.11.90	PTR	unknown.prolexic.com
72.52.11.98	PTR	unknown.prolexic.com
72.52.11.106	PTR	unknown.prolexic.com
72.52.11.115	PTR	unknown.prolexic.com
72.52.11.115	A	charteroneonline.com
72.52.11.116	PTR	unknown.prolexic.com
72.52.11.120	PTR	unknown.prolexic.com
72.52.11.120	A	visaeurope.ch
72.52.11.120	A	www.visaeurope.ch
72.52.11.141	PTR	unknown.prolexic.com
72.52.11.154	PTR	unknown.prolexic.com
72.52.11.155	PTR	unknown.prolexic.com
72.52.11.194	A	saturn.travelrepublic.co.uk
72.52.11.206	PTR	unknown.prolexic.com
72.52.11.206	A	dnatalive.travelrepublic.com
72.52.11.211	PTR	unknown.prolexic.com
72.52.11.211	A	downloads.grandparker.com
72.52.11.212	PTR	unknown.prolexic.com
72.52.11.214	PTR	unknown.prolexic.com
72.52.11.227	PTR	unknown.prolexic.com
72.52.11.232	PTR	unknown.prolexic.com
72.52.11.232	A	onoffice.fr
72.52.11.232	A	onoffice.org
72.52.11.252	PTR	unknown.prolexic.com