Robtex

Up: 91.98.28.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 91.98.29.0/25
Down right: 91.98.29.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.98.29.1	PTR	91.98.29.1.pol.ir
91.98.29.2	PTR	ns1.fspdns.com
91.98.29.2	A	ns100.fspdns.com
91.98.29.7	PTR	91.98.29.7.pol.ir
91.98.29.10	PTR	mx10.parsonline.net
91.98.29.10	A	ns.baplus.ir
91.98.29.10	A	www.tatbank.ir
91.98.29.14	PTR	91.98.29.14.pol.ir
91.98.29.18	PTR	91.98.29.18.pol.ir
91.98.29.22	PTR	91.98.29.22.pol.ir
91.98.29.26	PTR	mail.chaap.com
91.98.29.26	A	cdxvf807.700niu.com
91.98.29.26	A	xn--pgb1cj35c.net
91.98.29.30	PTR	91.98.29.30.pol.ir
91.98.29.30	A	dc-61b7b4ca5aad.kuchegardan.org
91.98.29.30	A	kuchegardan.sosapoverty.org
91.98.29.39	PTR	91.98.29.39.pol.ir
91.98.29.43	PTR	91.98.29.43.pol.ir
91.98.29.46	PTR	airportportal.airport.ir
91.98.29.50	PTR	exg.samix.ir
91.98.29.54	PTR	91.98.29.54.pol.ir
91.98.29.54	A	r-azmoon.ir
91.98.29.66	PTR	91.98.29.66.pol.ir
91.98.29.67	PTR	91.98.29.67.pol.ir
91.98.29.67	A	ns1.mehrreza.net
91.98.29.68	PTR	91.98.29.68.pol.ir
91.98.29.68	A	alyandostlar.com
91.98.29.68	A	ns0.goodsamaritanlife.com
91.98.29.69	PTR	91.98.29.69.pol.ir
91.98.29.69	A	mehrreza.net
91.98.29.70	PTR	91.98.29.70.pol.ir
91.98.29.71	PTR	91.98.29.71.pol.ir
91.98.29.74	PTR	91.98.29.74.pol.ir
91.98.29.74	A	etar.ir
91.98.29.74	A	cadabazar.ir
91.98.29.84	PTR	91.98.29.84.pol.ir
91.98.29.84	A	www.alefbytegroup.com
91.98.29.84	A	cupria.ir
91.98.29.85	PTR	91.98.29.85.pol.ir
91.98.29.85	A	noro.io
91.98.29.86	PTR	mail.chaap.com
91.98.29.89	PTR	91.98.29.89.pol.ir
91.98.29.92	PTR	91.98.29.92.pol.ir
91.98.29.95	PTR	91.98.29.95.pol.ir
91.98.29.98	PTR	91.98.29.98.pol.ir
91.98.29.98	A	icobige.ir
91.98.29.102	PTR	91.98.29.102.pol.ir
91.98.29.102	A	tafakkor.refah-bank.ir
91.98.29.106	PTR	91.98.29.106.pol.ir
91.98.29.106	A	afragps.ir
91.98.29.106	A	gpssaafta.ir
91.98.29.110	A	blog.zanbil.ir
91.98.29.114	PTR	web.sinabank.ir
91.98.29.114	A	avarezi.com
91.98.29.114	A	mail.avarezi.com
91.98.29.118	A+PTR	mail.sinabank.ir
91.98.29.118	A	mx.sina24h.com
91.98.29.118	A	mail.esinabank.com
91.98.29.130	PTR	91.98.29.130.pol.ir
91.98.29.134	PTR	91.98.29.134.pol.ir
91.98.29.134	A	kartoon.ir
91.98.29.134	A	3001.ir
91.98.29.138	PTR	91.98.29.138.pol.ir
91.98.29.138	A	dslredirector.parsonline.net
91.98.29.142	PTR	mail.iranux.ir
91.98.29.146	PTR	windows.palizct.com
91.98.29.146	A	*.astkshafbigar.info
91.98.29.146	A	mail.spidezh.ir
91.98.29.170	PTR	khoonat.com
91.98.29.170	A	mail.khoonat.com
91.98.29.170	A	mail.narenjak.com
91.98.29.171	PTR	91.98.29.171.pol.ir
91.98.29.171	A	ns2.niazet.com
91.98.29.171	A	ns2.jj-ns.com
91.98.29.172	A+PTR	khoonat.com
91.98.29.172	A	bearcreekcrossingbedandbreakfast.com
91.98.29.172	A	ns3.niazet.com
91.98.29.178	PTR	91.98.29.178.pol.ir
91.98.29.178	A	chimigi.ir
91.98.29.178	A	www.chimigi.ir
91.98.29.182	A+PTR	www.parsonline.com
91.98.29.182	A	parsdsl.com
91.98.29.182	A	hmtgroup.com
91.98.29.186	PTR	mail.namayeshgah.com
91.98.29.186	A	zoodel.com
91.98.29.188	PTR	91.98.29.188.pol.ir
91.98.29.194	A+PTR	yello.ir
91.98.29.194	A	hormozganprisons.ir
91.98.29.194	A	mail.markaziprisons.ir
91.98.29.202	PTR	91.98.29.202.pol.ir
91.98.29.202	A	1546.info
91.98.29.202	A	ns21.onlinehost.ir
91.98.29.203	PTR	91.98.29.203.pol.ir
91.98.29.203	A	xplanshow.com
91.98.29.203	A	mail.ibbi.ir
91.98.29.204	PTR	91.98.29.204.pol.ir
91.98.29.204	A	ns17.onlinehost.ir
91.98.29.204	A	mail.topechome.com
91.98.29.205	PTR	91.98.29.205.pol.ir
91.98.29.205	A	mail.20ta.co
91.98.29.205	A	www.atnanews.ir
91.98.29.206	PTR	91.98.29.206.pol.ir
91.98.29.206	A	mail.eirak.co
91.98.29.206	A	www.eirak.co
91.98.29.210	PTR	91.98.29.210.pol.ir
91.98.29.210	A	mx.mikaihatsu.com
91.98.29.210	A	*.ircf.ir
91.98.29.213	PTR	91.98.29.213.pol.ir
91.98.29.214	PTR	91.98.29.214.pol.ir
91.98.29.214	A	www.zanbil.ir
91.98.29.214	A	zanbil.ir
91.98.29.218	PTR	bayandns.ir
91.98.29.218	A	www.kikang.ir
91.98.29.218	A	www.dalel.ir
91.98.29.219	PTR	blog.ir
91.98.29.219	A	movieico.blog.ir
91.98.29.219	A	insite.blog.ir
91.98.29.220	PTR	91.98.29.220.pol.ir
91.98.29.220	A	pings.ir
91.98.29.220	A	salam.ir
91.98.29.221	PTR	91.98.29.221.pol.ir
91.98.29.221	A	fm.blog.ir
91.98.29.221	A	ns11.bayandns.ir
91.98.29.222	PTR	91.98.29.222.pol.ir
91.98.29.222	A	www.hod.ir
91.98.29.222	A	rmx.hod.ir
91.98.29.230	PTR	91.98.29.230.pol.ir
91.98.29.230	A	mail.lotustablet.ir
91.98.29.230	A	ns.lotustablet.com
91.98.29.235	PTR	91.98.29.235.pol.ir
91.98.29.235	A	www.yazdrasa.ir
91.98.29.235	A	asrfarhang.ir
91.98.29.242	PTR	91.98.29.242.pol.ir
91.98.29.244	PTR	91.98.29.244.pol.ir
91.98.29.244	A	emdadsaipa.net
91.98.29.244	A	ghalamdoon.com
91.98.29.246	PTR	91.98.29.246.pol.ir
91.98.29.250	PTR	91.98.29.250.pol.ir
91.98.29.250	A	ahuradarou.com