Robtex

Up: 5.160.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 5.160.52.0/23
Down right: 5.160.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.160.52.85	A	www.sakootech.ir
5.160.52.85	A	sakootech.ir
5.160.52.85	A	mail.sakootech.ir
5.160.52.196	PTR	mail.sindbadlogistics.com
5.160.52.199	PTR	mail.iranlandsea.com
5.160.52.235	PTR	mail.mtes.ir
5.160.52.235	PTR	mail.geo-mokarrar.com
5.160.52.235	PTR	mail.mokarrar.com
5.160.52.236	PTR	mail.mtes.ir
5.160.52.236	PTR	mail.geo-mokarrar.com
5.160.52.236	PTR	mail.mokarrar.com
5.160.52.251	A	mail.niplae.com
5.160.52.251	A	mail.fnpcc.com
5.160.53.6	A	sameteo.com
5.160.53.35	A	mail.whitehalljunior.org
5.160.53.35	A	ns.delta.ir
5.160.53.35	A	www.8686.ir
5.160.53.37	A	www.deltainternational.ir
5.160.53.39	A+PTR	mail.delta.ir
5.160.53.43	A	deltanew.ir
5.160.53.66	A	ns1.brg-pebco.com
5.160.53.66	A	ns.brg-pebco.com
5.160.53.66	A	mail.brg-pebco.com
5.160.53.98	PTR	mail.chinesh.com
5.160.53.130	PTR	mail.lafttiz.com
5.160.53.130	A	mail.lafttizshipping.com
5.160.53.148	A	mail.dahiteb.net
5.160.53.178	PTR	mail.bahartel.ir
5.160.53.178	A	mail2.bahartel.ir
5.160.53.197	A	tadbirproject.com
5.160.54.13	A+PTR	ns1.nicicoportal.com
5.160.54.13	A	ns1.nicico-acc.ir
5.160.55.13	A+PTR	ns2.nicicoportal.com
5.160.55.20	PTR	www.nicico-acc.ir
5.160.55.20	A	ftp.nicicoportal.com
5.160.55.23	A	nicico-acc.net
5.160.55.23	A	nicico-acc.com
5.160.55.23	A	nicico-acc.ir
5.160.55.25	A+PTR	saham.nicicoportal.com
5.160.55.25	A+PTR	msaham.nicicoportal.com
5.160.55.32	A+PTR	sip.nicicoportal.com
5.160.55.34	A+PTR	mail.nicicoportal.com
5.160.55.36	A+PTR	pishro.nicicoportal.com
5.160.55.40	A+PTR	nfmc.nicicoportal.com
5.160.55.45	PTR	dll.asremesonline.ir
5.160.55.45	A+PTR	cms.asremesonline.ir
5.160.55.45	A+PTR	asremesonline.ir
5.160.55.47	PTR	www.mespress.ir
5.160.55.47	PTR	mespress.com
5.160.55.47	PTR	dll.mespress.ir
5.160.55.56	A+PTR	poll.nicicoportal.com
5.160.55.56	A+PTR	rasana.nicicoportal.com
5.160.55.120	A	nicico.com
5.160.55.120	A	nicico.ir
5.160.55.136	A	www.pishromes.com
5.160.55.220	A+PTR	www.nicico-acc.ir