Robtex

Up: 46.32.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 46.32.16.0/21
Down right: 46.32.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
46.32.16.82	PTR	int0.client.access.fanaptelecom.net
46.32.16.82	A	freebsd.samasoft.ir
46.32.16.83	A	www.samasoft.ir
46.32.16.83	A	samasoft.ir
46.32.16.114	A+PTR	mail.mobtakeran.com
46.32.16.114	A	tashrihi.com
46.32.16.114	A	aehighschool.ir
46.32.16.116	PTR	int0.client.access.fanaptelecom.net
46.32.17.59	A+PTR	mail.farbeyondidea.com
46.32.17.62	PTR	int0.client.access.fanaptelecom.net
46.32.17.62	A	ns13.mehrad.marketing
46.32.17.62	A	ns4.parsgnu.com
46.32.17.67	PTR	int0.client.access.fanaptelecom.net
46.32.17.67	A	mail.niscoir.com
46.32.17.67	A	mail.nisco.ir
46.32.17.70	PTR	int0.client.access.fanaptelecom.net
46.32.17.135	PTR	int0.client.access.fanaptelecom.net
46.32.17.135	A	spay.ir
46.32.17.135	A	www.spay.ir
46.32.17.141	A	ghabz24.ir
46.32.17.141	A	www.ghabz24.ir
46.32.17.179	PTR	mail.sorayatours.com
46.32.17.179	A	sorayareservation.com
46.32.17.180	A	mail.sorayatours.com
46.32.17.180	A	mail.sorayareservation.com
46.32.18.66	PTR	int0.client.access.fanaptelecom.net
46.32.18.66	A	iraninfotech.com
46.32.18.67	PTR	int0.client.access.fanaptelecom.net
46.32.18.67	A	www.iraninfotech.net
46.32.18.68	PTR	int0.client.access.fanaptelecom.net
46.32.18.68	A	mail.comertebat.com
46.32.18.68	A	mail.rayan-net.com
46.32.18.99	A	bislighting.fr
46.32.18.119	PTR	int0.client.access.fanaptelecom.net
46.32.18.199	A	mail.golbaharco.com
46.32.18.210	A	zone12.hayahoo.ir
46.32.18.210	A	zone11.hayahoo.ir
46.32.20.34	PTR	int0.client.access.fanaptelecom.net
46.32.20.34	A	hamicare.ddns.net
46.32.20.70	PTR	int0.client.access.fanaptelecom.net
46.32.20.70	A	ns1.doronline.net
46.32.20.70	A	ns2.doronline.net
46.32.20.71	A+PTR	mail.doronline.net
46.32.20.71	A	mail.tegico.ir
46.32.20.71	A	mail.parsmetro.com
46.32.20.72	PTR	int0.client.access.fanaptelecom.net
46.32.20.73	PTR	int0.client.access.fanaptelecom.net
46.32.20.82	A	mail.twde.co
46.32.20.82	A	mail.doronline.net
46.32.21.195	PTR	int0.client.access.fanaptelecom.net
46.32.22.101	A	mail.azaddoc.com
46.32.22.254	PTR	int0.client.access.fanaptelecom.net
46.32.22.254	A	ns4.iau.ir
46.32.23.2	PTR	int0.client.access.fanaptelecom.net
46.32.23.51	PTR	int0.client.access.fanaptelecom.net
46.32.24.83	PTR	int0.client.access.fanaptelecom.net
46.32.24.189	PTR	int0.client.access.fanaptelecom.net
46.32.24.189	A	cloudpms.ir
46.32.24.189	A	mail.hotelchm.ir
46.32.24.190	PTR	int0.client.access.fanaptelecom.net
46.32.24.199	PTR	int0.client.access.fanaptelecom.net
46.32.24.199	A	ns1.iranassemblee.com
46.32.24.199	A	iranassemblee.com
46.32.24.200	PTR	int0.client.access.fanaptelecom.net
46.32.24.200	A	mail.iranassemblee.com
46.32.25.16	PTR	int0.client.access.fanaptelecom.net
46.32.25.62	PTR	int0.client.access.fanaptelecom.net
46.32.25.85	A	rbcroyal.org
46.32.25.85	A	outlook.nipec.com
46.32.25.100	PTR	46.32.26.100.avabarid.com
46.32.25.140	A	mail.sepehrenergy.com
46.32.25.165	A+PTR	avabarid.ir
46.32.25.165	A+PTR	mail.avabarid.ir
46.32.25.165	PTR	www.avabarid.ir
46.32.28.119	PTR	int0.client.access.fanaptelecom.net
46.32.30.37	PTR	int0.client.access.fanaptelecom.net
46.32.30.37	A	mail2.khaneh-sazi.com
46.32.30.72	PTR	int0.client.access.fanaptelecom.net
46.32.30.72	A	jz.farhangoelm.ir
46.32.30.72	A	womendemands.ir
46.32.30.73	PTR	mail.sccr.ir
46.32.30.74	PTR	int0.client.access.fanaptelecom.net
46.32.30.75	PTR	int0.client.access.fanaptelecom.net
46.32.30.82	PTR	int0.client.access.fanaptelecom.net
46.32.30.116	PTR	int0.client.access.fanaptelecom.net
46.32.30.131	PTR	int0.client.access.fanaptelecom.net
46.32.30.131	A	gsstechws.com
46.32.30.132	PTR	int0.client.access.fanaptelecom.net
46.32.30.134	PTR	int0.client.access.fanaptelecom.net
46.32.30.134	A	www.gsssupport.ir
46.32.30.165	PTR	int0.client.access.fanaptelecom.net
46.32.31.19	PTR	303080.ir
46.32.31.19	PTR	3081.ir
46.32.31.19	PTR	3082.ir
46.32.31.20	A+PTR	noc.avabarid.ir
46.32.31.20	A	ns.hashure.com
46.32.31.20	A	kalayeabzar.com
46.32.31.30	PTR	ns01.avabarid.com
46.32.31.71	PTR	mail.sepanir.com
46.32.31.73	A	mail.lpmis.com
46.32.31.115	PTR	int0.client.access.fanaptelecom.net
46.32.31.115	A	mail.hmeshkat.ir
46.32.31.116	PTR	int0.client.access.fanaptelecom.net
46.32.31.116	A	www.hmeshkat.ir
46.32.31.120	PTR	int0.client.access.fanaptelecom.net
46.32.31.120	A	www.ghadir.org
46.32.31.120	A	ghadir.org
46.32.31.144	PTR	int0.client.access.fanaptelecom.net
46.32.31.210	PTR	int0.client.access.fanaptelecom.net