Robtex

Up: 5.34.200.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 5.34.200.0/23
Down right: 5.34.202.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.34.200.1	A	edge.core.rasane.com
5.34.200.5	PTR	broadband-customers-1.rasane.com
5.34.200.10	A+PTR	acc.rasane.com
5.34.200.15	A	acc.rasane.com
5.34.200.16	A	crm0.rasane.com
5.34.200.19	PTR	runload.com
5.34.200.19	PTR	runload.info
5.34.200.19	A+PTR	runload.ir
5.34.200.20	A+PTR	my.rasane.com
5.34.200.21	A+PTR	mail.rasane.com
5.34.200.23	PTR	rasane.com
5.34.200.23	A	mail.fujii-seikeigeka.com
5.34.200.23	A	otakulinks.com
5.34.200.24	A	www.rasane.com
5.34.200.26	A	crm.rasane.com
5.34.200.29	A+PTR	mail.sspp.ir
5.34.200.30	A+PTR	ns1.rasane.com
5.34.200.30	A	switch-l3.core.rasane.com
5.34.200.31	A+PTR	ns2.rasane.com
5.34.200.32	A	dns-fwr.rasane.com
5.34.200.32	A	sms.rasane.com
5.34.200.38	A	crm0.rasane.com
5.34.200.40	A+PTR	www.rasane.com
5.34.200.40	A	sms.rasane.com
5.34.200.40	A	expired.rasane.com
5.34.200.41	A	runload.ir
5.34.200.41	A	www.runload.ir
5.34.200.42	PTR	rasane.com
5.34.200.45	PTR	firewall.core.rasane.com
5.34.200.48	PTR	net-m.office.rasane.com
5.34.200.50	A	rasane.com
5.34.200.90	PTR	benz.test2.test.rasane.com
5.34.203.226	PTR	rasane.com
5.34.203.226	A	www.tabansch.ir
5.34.203.226	A	mail.tabansch.ir
5.34.203.227	PTR	rasane.com
5.34.203.235	PTR	rasane.com
5.34.203.235	A	myhosts.ir
5.34.203.235	A	www.myhosts.ir
5.34.203.242	PTR	rasane.com
5.34.203.242	A	www.vav.ir
5.34.203.250	PTR	rasane.com
5.34.203.250	A	ns3.runcenter.net
5.34.203.250	A	ns4.runcenter.net
5.34.203.254	PTR	rasane.com
5.34.203.254	A	www.ariamodir.ir
5.34.203.254	A	safe-ict.ir