Robtex

Up: 72.52.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.52.12.0/25
Down right: 72.52.12.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.52.12.1	PTR	unknown.prolexic.com
72.52.12.3	PTR	unknown.prolexic.com
72.52.12.16	PTR	unknown.prolexic.com
72.52.12.16	A	casino-royale-derfilm.de
72.52.12.16	A	2-guns.de
72.52.12.21	PTR	unknown.prolexic.com
72.52.12.43	PTR	unknown.prolexic.com
72.52.12.51	PTR	unknown.prolexic.com
72.52.12.52	PTR	unknown.prolexic.com
72.52.12.52	A	achieve3000summer.com
72.52.12.52	A	kidbiz3000.org
72.52.12.54	PTR	unknown.prolexic.com
72.52.12.56	PTR	unknown.prolexic.com
72.52.12.63	PTR	unknown.prolexic.com
72.52.12.66	PTR	unknown.prolexic.com
72.52.12.83	PTR	unknown.prolexic.com
72.52.12.83	A	spesocialcentral.com
72.52.12.83	A	www.thepirates-movie.com
72.52.12.84	PTR	unknown.prolexic.com
72.52.12.84	A	www.slenderman.movie
72.52.12.84	A	www.allthemoney-movie.com
72.52.12.85	PTR	unknown.prolexic.com
72.52.12.85	A	www.ghostbusters.com
72.52.12.87	PTR	unknown.prolexic.com
72.52.12.87	A	whoissonyclassics.com
72.52.12.87	A	sonyclassics.com
72.52.12.88	PTR	unknown.prolexic.com
72.52.12.88	A	www.jeopardy.com
72.52.12.94	PTR	unknown.prolexic.com
72.52.12.94	A	www.sonypictures.jp
72.52.12.96	A	www.sonypictures.com.au
72.52.12.116	PTR	unknown.prolexic.com
72.52.12.164	PTR	unknown.prolexic.com
72.52.12.164	A	chat.intercasino.com
72.52.12.167	PTR	unknown.prolexic.com
72.52.12.173	PTR	unknown.prolexic.com
72.52.12.174	PTR	a72-52-12-174.deploy.static.akamaitechnologies.com
72.52.12.174	A	www.mfa.gov.pk
72.52.12.175	PTR	unknown.prolexic.com
72.52.12.175	A	www.minfal.gov.pk
72.52.12.175	A	www.momcsty.gov.pk
72.52.12.179	PTR	unknown.prolexic.com
72.52.12.179	A	nyenergyhighway.com
72.52.12.180	PTR	unknown.prolexic.com
72.52.12.180	A	nypa.gov
72.52.12.180	A	www.nypa.gov
72.52.12.199	PTR	unknown.prolexic.com
72.52.12.200	PTR	unknown.prolexic.com
72.52.12.200	A	www.tt.im
72.52.12.215	PTR	unknown.prolexic.com
72.52.12.215	A	tipico8.com
72.52.12.215	A	tipico7.com
72.52.12.237	PTR	unknown.prolexic.com
72.52.12.237	A	sefcu.com
72.52.12.238	PTR	unknown.prolexic.com
72.52.12.238	A	com.photodune.net
72.52.12.238	A	www.photodune.net
72.52.12.245	PTR	a72-52-12-245.deploy.static.akamaitechnologies.com
72.52.12.249	PTR	unknown.prolexic.com
72.52.12.253	PTR	unknown.prolexic.com