Robtex

Up: 78.39.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 78.39.16.0/22
Down right: 78.39.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.39.16.2	PTR	mail.mut-es.ac.ir
78.39.16.2	A	rayslockskeysinc.com
78.39.16.2	A	mail.apisociety.ir
78.39.16.4	PTR	mut-es.ac.ir
78.39.16.4	PTR	mail.mut-es.ac.ir
78.39.16.10	PTR	ns2.mut-es.ac.ir
78.39.16.10	A+PTR	ns2.mut.ac.ir
78.39.16.10	A	www.ilgrandeblu.it
78.39.16.12	PTR	www.mut-es.ac.ir
78.39.16.12	A	isfs.mut-es.ac.ir
78.39.16.12	A	edu.mut-es.ac.ir
78.39.16.14	PTR	mail.hesa.ir
78.39.16.73	A	hotworldtravel.com
78.39.16.73	A	gardencityhelicopters.co.nz
78.39.16.73	A	tsc-badsaarow.de
78.39.16.114	A	hnmui.com
78.39.16.114	A	www.vivagina.de
78.39.16.115	A	hnmui.com
78.39.16.115	A	www.vivagina.de
78.39.16.226	A	vu.mut-es.ac.ir
78.39.16.238	PTR	vu.mut-es.ac.ir
78.39.16.238	A	azmoon.mut.ac.ir
78.39.16.238	A	newvu.mut.ac.ir