Robtex

Up: 194.225.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 194.225.72.0/23
Down right: 194.225.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.225.72.1	PTR	ipm-gate.iranet.ir
194.225.72.14	A+PTR	estekylab.scs.ipm.ac.ir
194.225.72.132	PTR	math.ipm.ac.ir
194.225.73.4	A	local.iranet.ir
194.225.73.106	PTR	sms.iranet.ir
194.225.73.130	A	mail.nic.ir
194.225.73.134	A+PTR	chapar.iranet.ir
194.225.73.134	A	mailer.iranet.ir
194.225.73.135	A+PTR	spark.iranet.ir
194.225.73.138	A+PTR	voip.iranet.ir
194.225.73.140	PTR	www.iranet.ir
194.225.73.140	A	support.iranet.ir
194.225.73.140	A	iranet.net.ir
194.225.73.141	PTR	persia.iranet.ir
194.225.73.145	A+PTR	zmmailbox.iranet.ir
194.225.73.145	A	iranetworks.iranet.ir
194.225.73.149	A	air.iranet.ir
194.225.73.151	A+PTR	ns.iranet.ir
194.225.73.156	PTR	mail.acnet.ir
194.225.73.156	PTR	mail.ipm.ir
194.225.73.156	PTR	test.ipm.ir
194.225.73.161	PTR	mailer.ipm.ir
194.225.73.161	A	bridgemann.ipm.ir
194.225.73.161	A	mississagualake.com
194.225.73.163	A	mail.ipm.ir
194.225.73.163	A	mail.iranet.ir
194.225.73.177	A+PTR	www.irfed.ir
194.225.73.177	A	irfed.ir
194.225.73.177	A	www.eduroam.ir
194.225.73.180	A	ino.ipm.ac.ir
194.225.73.180	A	smouk.net
194.225.73.180	A	www.ipm.ir
194.225.73.188	A+PTR	cagrid.ipm.ac.ir
194.225.73.251	A+PTR	faxgateway.iranet.ir
194.225.74.13	A+PTR	nanonetwork.ipm.ac.ir
194.225.74.19	A+PTR	ce1.nano.ipm.ac.ir
194.225.74.20	A+PTR	se1.nano.ipm.ac.ir
194.225.74.161	PTR	grid01.ipm.ac.ir
194.225.74.165	PTR	se1.particles.ipm.ac.ir
194.225.74.169	PTR	grid09.ipm.ac.ir
194.225.74.172	PTR	grid12.ipm.ac.ir
194.225.74.183	PTR	grid23.ipm.ac.ir
194.225.74.200	A	mail.asso-adib.com
194.225.74.200	A	ttcs.ir
194.225.74.200	A	rpms.ipm.ac.ir
194.225.75.5	A	dabir.ipm.ir
194.225.75.7	A+PTR	edari.ipm.ir
194.225.75.194	A	labserver.visionlab.ir