Robtex

Up: 72.18.196.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.18.196.0/25
Down right: 72.18.196.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.18.196.40	A	thenewsblogs.com
72.18.196.42	PTR	blog.rs
72.18.196.43	PTR	blog.rs
72.18.196.48	PTR	lasvegas-nv-datacenter.com
72.18.196.48	A	mx5.personare.com.br
72.18.196.48	A	mx.personare.com.br
72.18.196.49	PTR	lasvegas-nv-datacenter.com
72.18.196.52	PTR	lasvegas-nv-datacenter.com
72.18.196.52	A	ns.nva.com.br
72.18.196.52	A	ns.cebel.com.br
72.18.196.53	PTR	lasvegas-nv-datacenter.com
72.18.196.53	A	mail.karotec.com.br
72.18.196.53	A	mail.fmtecidos.com.br
72.18.196.62	A	relay2.shopoff.com
72.18.196.81	A	vasy.tk
72.18.196.90	A+PTR	theprophet.tk
72.18.196.97	PTR	measured.saviour2.com
72.18.196.97	A	sorin.tk
72.18.196.133	PTR	lasvegas-nv-datacenter.com
72.18.196.133	A	cucumu.com
72.18.196.140	A+PTR	mx2.personare.com.br
72.18.196.140	A	news.personare.com.br
72.18.196.141	PTR	lasvegas-nv-datacenter.com
72.18.196.142	PTR	lasvegas-nv-datacenter.com
72.18.196.143	PTR	lasvegas-nv-datacenter.com
72.18.196.146	A	1charger.com
72.18.196.146	A	iklanmatrix.com
72.18.196.148	A+PTR	mx1.personare.com.br
72.18.196.150	A+PTR	mx4.personare.com.br
72.18.196.156	A	ns1.fef-online.com
72.18.196.157	A	ns2.fef-online.com
72.18.196.193	A	mail.pkgtracker.com
72.18.196.193	A	pkgtracker.com
72.18.196.222	A	mail.teensmexico.com