Robtex

Up: 194.225.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 194.225.128.0/21
Down right: 194.225.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.225.128.22	A	mashhad.fum.ac
194.225.128.22	A	mashhad.um.ac.ir
194.225.128.24	A+PTR	mx2.um.ac.ir
194.225.128.40	A+PTR	alumnimail.um.ac.ir
194.225.128.40	PTR	ferdowsi.um.ac.ir
194.225.128.40	PTR	staff.um.ac.ir
194.225.128.46	PTR	mx3.um.ac.ir
194.225.128.47	A	mx2.um.ac.ir
194.225.128.48	A+PTR	mx1.um.ac.ir
194.225.128.50	A+PTR	maillist.um.ac.ir
194.225.128.58	A+PTR	maillist.um.ac.ir
194.225.128.200	PTR	cuts2.um.ac.ir
194.225.133.40	A+PTR	irip.ac.ir
194.225.133.40	A+PTR	ns2.irip.ac.ir
194.225.133.40	A+PTR	ns1.irip.ac.ir
194.225.133.41	PTR	imap.irip.ac.ir
194.225.133.41	PTR	smtp.irip.ac.ir
194.225.133.41	PTR	mail.irip.ac.ir
194.225.133.58	A	ns3.irip.ir
194.225.133.58	A	mail.irip.ir
194.225.133.93	A	ns4.irip.ir
194.225.133.93	A	www.irip.ir
194.225.133.93	A	ns9.irip.ir
194.225.136.49	A	ns4.isti.ir
194.225.138.1	A+PTR	router1.ecosecretariat.org
194.225.138.9	A+PTR	ns0.ecosecretariat.org
194.225.138.9	PTR	ns1.ecosecretariat.org
194.225.138.9	PTR	ns0.eco.int
194.225.138.12	A	mail.ecosecretariat.org
194.225.138.13	A	intersection.ecosecretariat.org
194.225.138.248	A+PTR	mail.eco.int