Robtex

Up: 46.32.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 46.32.0.0/22
Down right: 46.32.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
46.32.0.7	PTR	int0.client.access.fanaptelecom.net
46.32.0.20	A	alvand.avabarid.com
46.32.0.171	PTR	int0.client.access.fanaptelecom.net
46.32.0.195	PTR	ns1.khu.ac.ir
46.32.0.197	A	mail.khu.ac.ir
46.32.0.198	A+PTR	khu.ac.ir
46.32.0.201	PTR	int0.client.access.fanaptelecom.net
46.32.0.203	A	ijsom.com
46.32.0.203	A	jpll.khu.ac.ir
46.32.0.214	PTR	int0.client.access.fanaptelecom.net
46.32.0.251	PTR	int0.client.access.fanaptelecom.net
46.32.1.2	PTR	46.32.1.2.uast.ac.ir
46.32.1.4	PTR	46.32.1.4.uast.ac.ir
46.32.1.11	PTR	46.32.1.11.uast.ac.ir
46.32.1.11	A	fa.uast.ac.ir
46.32.1.11	A	inavita.com
46.32.1.17	PTR	46.32.1.17.uast.ac.ir
46.32.1.17	A	office.uast.ac.ir
46.32.1.19	PTR	46.32.1.19.uast.ac.ir
46.32.1.19	A	sateb.uast.ac.ir
46.32.1.24	PTR	46.32.1.24.uast.ac.ir
46.32.1.26	PTR	46.32.1.26.uast.ac.ir
46.32.1.26	A	fa.uast.ac.ir
46.32.1.26	A	sb.uast.ac.ir
46.32.1.30	PTR	46.32.1.30.uast.ac.ir
46.32.1.58	PTR	int0.client.access.fanaptelecom.net
46.32.1.78	PTR	int0.client.access.fanaptelecom.net
46.32.1.100	PTR	int0.client.access.fanaptelecom.net
46.32.1.100	A	ns2.uast.ac.ir
46.32.1.213	PTR	int0.client.access.fanaptelecom.net
46.32.2.1	PTR	int0.client.access.fanaptelecom.net
46.32.2.3	PTR	int0.client.access.fanaptelecom.net
46.32.2.9	PTR	int0.client.access.fanaptelecom.net
46.32.2.67	A+PTR	mail2.deltaoffshoregroup.com
46.32.2.98	PTR	int0.client.access.fanaptelecom.net
46.32.2.147	A+PTR	mail.behestanrh.com
46.32.2.147	A	behestanrh.com
46.32.2.170	PTR	int0.client.access.fanaptelecom.net
46.32.2.170	A	www.mahabghodss.net
46.32.2.170	A	mahabghodss.net
46.32.2.218	PTR	int0.client.access.fanaptelecom.net
46.32.2.218	A	homiran.com
46.32.2.243	PTR	int0.client.access.fanaptelecom.net
46.32.3.2	PTR	int0.client.access.fanaptelecom.net
46.32.3.18	A+PTR	mail3.patsaind.com
46.32.3.19	A+PTR	mail1.aryainstrument.com
46.32.3.19	A	mail1.endressiran.com
46.32.3.19	A	5693.mobi
46.32.3.50	PTR	int0.client.access.fanaptelecom.net
46.32.3.50	A	www.sirafco.ir
46.32.3.50	A	lavanch.com
46.32.3.52	PTR	int0.client.access.fanaptelecom.net
46.32.3.52	A	mx-hq.sepehrenergy.com
46.32.3.52	A	secotrading.com
46.32.3.58	A+PTR	mail3.farab.com
46.32.3.58	A	mail.farab.ir
46.32.3.58	A	virtualworks.de
46.32.3.60	PTR	int0.client.access.fanaptelecom.net
46.32.3.60	A	farab-ict.com
46.32.3.118	PTR	mail.windavar.net
46.32.4.18	PTR	int0.client.access.fanaptelecom.net
46.32.4.51	PTR	mail.saff-rosemond.com
46.32.4.55	PTR	int0.client.access.fanaptelecom.net
46.32.4.55	A	hostmaster.saff-rosemond.com
46.32.4.55	A	*.saff-rosemond.com
46.32.4.59	PTR	mail.saff-rosemond.com
46.32.4.100	A+PTR	mail.khanehsazi.ir
46.32.4.100	A	www.khanehsazi.ir
46.32.4.154	A	mailserver.poshkar.com
46.32.4.154	A	mx1.poshkar.com
46.32.6.26	A	server.dnparsian.com
46.32.6.100	A	odcc.ir
46.32.7.87	PTR	int0.client.access.fanaptelecom.net
46.32.7.88	PTR	int0.client.access.fanaptelecom.net
46.32.7.88	A	dl.uswr.ac.ir
46.32.7.144	PTR	int0.client.access.fanaptelecom.net
46.32.7.201	PTR	int0.client.access.fanaptelecom.net
46.32.7.201	A	dns-outside.uswr.ac.ir
46.32.7.238	A+PTR	mail.uswr.ac.ir