Robtex

Up: 5.200.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 5.200.72.0/23
Down right: 5.200.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.200.72.26	A	jomegasht.ir
5.200.72.26	A	www.jomegasht.ir
5.200.72.26	A	mail.jome24.com
5.200.72.37	A	smtp.fapacenter.ir
5.200.72.37	A	fapacenter.ir
5.200.72.37	A	www.fapacenter.ir
5.200.72.38	A	ns1.fapacenter.ir
5.200.72.50	A	ns1.linuxit.ir
5.200.72.78	A	pointhq.com.elahealmas.com
5.200.72.78	A	dns1.pointhq.com.elahealmas.com
5.200.72.109	A	mail.kpr-co.com
5.200.72.134	A	mail.rpkavosh.ir
5.200.72.134	A	mail.rpk.ir
5.200.72.134	A	rpk.ir
5.200.72.158	A	mail.bg24.ir
5.200.72.158	A	mail.rahadkish.com
5.200.72.158	A	mail.kouroshtravel.com
5.200.72.210	A	webnovin.org
5.200.72.210	A	mail.webnovin.com
5.200.72.210	A	mail.novincard.com
5.200.72.226	A	cng.fapco.info
5.200.72.226	A	ns1.fapco.ir
5.200.72.226	A	fapco.ir
5.200.72.250	A	raazparvaz.ir
5.200.72.250	A	www.raazparvaz.ir
5.200.72.252	A	mail.vana-group.com
5.200.73.38	A	ns2.tgm12.com
5.200.73.38	A	tgm12.com
5.200.73.38	A	www.tgm12.com
5.200.73.50	A	kishfly24.ir
5.200.73.118	A	c.name-resolver.in
5.200.73.178	A	mx1.aracogt.com
5.200.73.187	A	spadanaco.org
5.200.73.187	A	www.spadanaco.org
5.200.73.202	A	reverse.dewatatech.com
5.200.73.202	A	gomo.ir
5.200.73.202	A	rayanprinting.com
5.200.73.251	A	mailteh.mpc.ir
5.200.74.210	A+PTR	mail.rayanchemie.com
5.200.74.211	PTR	mail.aryanberis.com
5.200.74.212	PTR	mail.aracogt.com
5.200.74.213	PTR	mail.sarmadteb.com
5.200.74.214	A	ns2.aryanberis.com
5.200.74.214	A	ns2.rayanchemie.com
5.200.74.226	PTR	mail.sazehpardazi.com
5.200.75.3	PTR	mail.wifo.ir
5.200.75.4	PTR	mail.wifonet.ir
5.200.75.4	A	mail2.wifo.ir
5.200.75.18	A	ns1.spioffice.ir
5.200.75.18	A	spioffice.com
5.200.75.18	A	ns2.spioffice.ir